AARoads Forum

When I lived in NJ I visited NY and PA several times.  I used many border crossings as both states had rivers separating NJ from them with the exception of the former being NY & NJ have a land border from the Delaware River to the Hudson River. 

NY- NJ - I crossed all the PA/NJ crossings between NYC and neighboring Middlesex, Union, Hudson, and Bergen Counties. 
       I also used US 9W, the PIP, Garden State Parkway, NY 45 into a local Bergen County route, NY 17 & I-287, Sloatsburg Road, CR           
       511/ NY 210, Upper Greenwood Lake Road, NJ to NY 94, and NJ 23 into CR 15.

NJ- PA- US 206, Dingmans Crossing, I-80, Columbia- Portland foot and road bridges, Belvidere Bridge, US 22, Northampton Street, I-78, Riegelsville Bridge, Frenchtown- Uhlerstown Bridge, US 202, NJ 179, I-95 (now I-295), Calhoun Street, US 1 ALT, US 1, Penn Turnpike, Burlington- Bristol Bridge, Tacony Bridge, Ben Franklin Br, Walt Whitman Br, and Commodore Barry Bridge.

NJ- DE Both water crossings.  Del. Mem. Br. and Cape May- Lewes Ferry.

DE- MD  I-95, US 40, US 301, US 13, and DE 1 to MD 528.
MD- PA US 1, I-83, US 15, I-81, and US 220.
MD- WV- I-81, and I-68.
PA- WV  I-70
WV- OH- I-70, and US 52
PA- OH I-80
OH - KY  I-71 & 75, and I-275
KY- TN I-65 and I-24
TN- GA I-24 (both points), I-75, and US 41 & 76.
TN- AL- I-65
GA- NC- US 19 & 129, and US 23 & 441
GA- SC- US 1, US 301, I-95, and US 17
GA- FL- US 27, US 19, I-75, US 41, US 441, US 1, 23, & 301, US 17, and I-95
FL- AL-  US 231, I-10, US 98, and the coastal road.
AL- MS- US 90 and I-10
MS- LA - US 90 and I-10
LA- TX- I-10
LA- AR- US 71
AR- TX- I-30, AR 249 to TX Loop 151, US 71 & 59
AR - MO- US 71
AR- OK US 64
TX- OK US 75 & 69, I-35, and US 54
OK- KS US 54, US 81, and I-35
KS -CO I-70
KS- MO- I-435 (both ends), I-35, I-70, and I-670.  Two local streets in KS (but unclear of the names).
MO- IL  I-270 (Chain of Rocks), and I-70 (Stan Musial and Poplar Street).
IL- KY  US 45, and I-24
IL- IN- I-90
IL- WI  I-94 and WI 32 to IL 137
SD- IA I-29
SD- WY US 18
IA- NE  I-129, and US 77
IA-MO  I-29
CO-WY I-25
NM- CO I-25
NM- AZ I-40
AZ - NV US 93 (Hoover Dam Crest), and I-15
AZ- UT I-15
UT-CO I-70
PA- NY US 6 & 209, I-81, NY 17 (Sayre), and US 209
NY - VT US 4, NY to VT 149, NY to VT 67, NY7 to VT 9, and NY to VT 346.
VT- NH US 302, and VT 9 to NH 9.
NH- ME- US 2, and I-95
NH- MA I-95 and US 3.

That is all I can remember using state borders.

Used to be pretty partial to taking US 70 from Arizona into New Mexico instead of I-10.  One of my routes into California was AZ 95 to CA 62.  Generally I try avoid main routes of travel as a general rule that being said. 

CT-RI: I-95, US 1, CT/RI 78, CT/RI 14, US 6, CT/RI 101, US 44

CT/MA: CT/MA 41, US 7, CT 272/Local Rd, CT/MA 183, CT/MA 8, SR 819/local rd, CT/MA 189, CT/MA 10/US 202, CT/MA 168, CT/MA 187, CT/MA 75, CT/MA 159, I-91, US 5, CT/MA 220, CT/MA 186, CT/MA 83, Mashapaug Rd in Union/Holland, I-84, CT/MA 169, CT/MA 197, CT/MA 131, I-395

CT/NY: I-95, US 1, Northeast Corridor (by train), Merritt/Hutch, both I-684's, CT/NY 35, I-84, US 6/202, Joe's Hill/Federal Hill Rd, CT/NY 55, CT 341/CR 3 (as a passenger), CT 41/CR 1 (as a passenger), US 44 (as a passenger)

MA/RI: I-95, US 1, MA/RI 120, MA/RI 146

MA/NH US 3, Middlesex Rd/DW Highway, I-93, I-95, Pheasant Lane Mall parking lot (driving and on foot)

MA/VT: I-91 (as passenger), US 5, US 7

MA/NY: MA/NY 71 (as passenger), MA 102/NYSRR 980, I-90, US 20

NY/VT: NY/VT 346, NY/VT 149, US 4

VT/NH: VT/NH 9, VT/NH 11, I-89

NH/ME: I-95, US 1, US 202/NH/ME 11, US 302

NY/NJ: Goethals Bridge, Lincoln Tunnel, Amtrak/NJT Hudson River tubes (by train), GW Bridge, Palisades Parkway, US 9W, GSP, I-287/NY/NJ 17, NY/NJ 94

NY/PA: I-84, US 6/209

NJ/PA: Barry Bridge, Walt Whitman Bridge, Ben Franklin Bridge (car and on foot), Tacony/Palmyra Bridge, Bristol/Burlington Bridge, Trenton/Morrisville Bridge, SEPTA Trenton line bridge (by train), Scudders Falls Bridge, Lamberton/New Hope toll bridge, I-78, Northampton St Bridge, US 22, Portland Toll Bridge, I-80

NJ/DE: Delaware Mem Bridge

PA/DE: US 13, I-95/I-495, US 202, PA/DE 41

DE/MD:DE/MD 896, DE/MD 273, DE/MD 279, I-95, Old Baltimore Pike, US 40

PA/MD: PA/MD 896, US 1, US 222, MD 165/PA 74, I-83, MD 30/PA 94, MD/PA 97, US 15, I-81

MD/WV: I-81, US 11

MD/DC US 50, DC/MD 295

DC/VA I-395, Arlington Memorial Bridge (passenger only), I-66 (passenger only)

MD/VAUS 15, US 340, VA 287/Burkittsville Rd, American Legion Bridge, US 13 (as a passenger)

VA/WV: US 340, VA/WV 9

LA/MS: I-10

All crossings from VA-FL on I-95 as a passenger

NY/QC: I-87/A-15 (as a passenger)

VT/QC: I-91/A-55 (as a passenger)

As a driver:
CA/NV: I-80, Route 28
KY/IN: I-65, US 31

As passenger:

CA/NV: I-15, I-80, US 50
NV/UT: I-80
UT/WY: I-80
WY/CO: I-25, US 287
CA/OR: I-5
OR/WA: I-5
WA/BC: I-5/BC 99 (OR/WA/BC roadtrip was in 1986 when I was very young)
NV/AZ: US 93
KY/IN: I-65, I-64
KY/OH: I-275, I-75/I-71
KY/TN: I-65, US 31W
NY/NJ: Route 440 (both Bayonne and Outerbridge!), I-278, I-78, I-95/US 1/US 9, Palisades Interstate Parkway, NJ 17
NY/CT: I-95
CT/RI: I-95
RI/MA: I-95
NY/MA: I-90
NJ/PA: NJ 90
NJ/DE: I-295
DE/MD: I-95
MD/DC: MD 185? (DE, MD, DC, and a snippet of VA were all part of a 1992 trip)
DC/VA: probably the Arlington Memorial Bridge

GA/AL: I-59, AL 9/GA 20, I-20, I-85, US 80, US 280, AL 208/GA 39 Spur, US 82
GA/FL: FL 2/GA 91, US 19, I-75, I-95
GA/SC: I-95, I-520, I-20, I-85, US 123, US 76
GA/NC: US 23/441, GA 17/515/NC 69, GA 60 Spur/NC 60
GA/TN: GA 71/TN 60, I-75, I-24 (both crossings)
AL/FL: AL 27/Walton CR 185, AL 167/FL 79, Geneva CR 49/Holmes CR 173, AL 103/Holmes CR 171, AL 109/FL 77, US 231
SC/NC: I-85, I-95
TN/NC: I-26
NC/VA: I-95, I-85, US 29, I-77
VA/WV: I-77, I-64, I-81, US 340 (both crossings)
VA/MD: US 301, I-495, US 15, US 340
VA/DC: I-66, US 29, I-395, I-95/495, GW Pkwy (both crossings)
MD/DC: MD 396/Mass. Ave, MD 190/River Rd, MD 355/Wisc. Ave, US 29, MD 650/N.H. Ave, US 1, US 1A, US 50, MD 201/DC 295, I-295, I-95/495
MD/WV: I-68, I-81
WV/PA: I-79
WV/OH: either WV 618/OH 32 or the bridge linking WV 14 and OH 7 (it was over 20 years ago and I can't remember which)
MD/PA: I-81, US 15, I-83
MD/DE: I-95
DE/PA: I-95 (does I-495 enter PA? If so, that too)
DE/NJ: I-295
NJ/NY: I-95
NY/CT: I-95
CT/MA: I-84
CT/RI: I-95
RI/MA: I-95
MA/NH: US 3, I-93, I-95
NH/VT: I-89
NH/ME: I-95, US 1

Very little except near where I live.

MA/NH: Main St. (Salisbury/Seabrook), I-95, MA/NH 150, MA/NH 108 (walked), NH 121A, MA/NH 125, various places in that parking lot, NH 121, MA/NH 97, Hampstead St. (Methuen/Salem), Pond St. (Methuen/Salem), MA/NH 28, Hampshire Rd. (Methuen/Salem, eastern crossing), US 3, Brookline St./Pepperell Rd. (Pepperell/Brookline, such creative naming), MA/NH 12. Note the absence of the Daniel Webster Highway.

MA/CT: I-84

MA/NY: I-90

CT/NY: I-95

NY/NJ: NY/NJ 495

NJ/PA: I-676, NJ 90

NH/ME: I-95, US 1 (walked)

DC/VA: I-395, Arlington Memorial Bridge

Mine's not too impressive of a list right now, though it has a couple semi-obscure ones:

OR/WA: US-197, US-97
OR/CA: I-5, OR-39/CA-139
OR/NV: NV-292/Fields-Denio Road, OR/NV-140
CA/NV: US-395
NV/AZ: US-93 (almost was I-11 when I went through)

I've been across quite a few others on the OR/WA side as a passenger (I-5, I-205, I-82, US-101, OR-35/Hood River Bridge, and US-730), but strangely enough, I can't recall that I ever actually drove into the western part of Washington before, despite being from just outside Portland. 

MA-RI: I-95, I-195, I-295, SR 24, SR 81, SR 146
MA-NH: I-93, I-95, US 1, US 3, SR 1A, SR 28, SR 125, SR 286
MA-NY: I-90, SR 2
MA-CT: I-84, I-91, I-395
NH-ME: I-95, US 1, US 1 Bypass
NH-VT: I-89, US 302
CT-RI: I-95
CT-NY: I-84, I-95, I-684, CT 15-Merritt Parkway/Hutchinson River Parkway
NJ-NY: I-287, GSP, NY 304/CR 503(NJ)
NJ-DE: I-295/US 40
NJ-PA: I-76, I-78, I-95, I-295, I-676/US 30, US 1, US 202, US 322, SR 73, SR 90, SR 179, PA 532/CR 546(NJ)
PA-DE: I-95, US 13, US 202, SR 491
PA-OH: I-76
PA-MD: I-70, I-81, I-83, SR 669
PA-WV: I-79
DE-MD: I-95, US 13, US 40, US 301, SR 279, Frenchtown Rd.
MD-VA: I-495, US 15
MD-DC: I-95/495, US 50, SR 295
DC-VA: I-95/495
VA-WV: I-81
VA-TN: I-81
OH-MI: I-75, ALT US 24, Edgewater Dr. (to Lost Peninsula, MI)
OR-WA: I-205

AR-OK  US412/59, US62, I-40, US64, I-540/US271, S. Y St., AR244/OK51, AR156/OK100, AR43/OK20, AR96/OK83, AR88/OK1
AR-MO  AR43/MO43, AR59/MO59, US71, AR37/MO37, AR23/MO-P, US65, AR125(Peel Ferry)MO125, US67
AR-TN  I-40, I-55
AR-MS  US278
AR-LA  I-49, US71, US425
AR-TX  US59
OK-TX  I-40, US75
OK-KS  US69
MO-KS  MO171/KS171, US160, KS52/MO52, I-435, I-35
MO-IA  I-29, I-35
MO-IL  I-255
IA-NE  IA2/NE2
IA-MN  I-35
IA-SD  I-29
LA-TX  LA82/TX82
LA-MS  I-20, US425, I-10
TN-MS  US72
MS-AL  US72, MS366/Golden Rd., I-22/US78, US98, I-10
AL-FL  I-10, US231
FL-GA  I-75, FL2-GA91
TX-NM  I-40
KS-CO  I-70, US40
NE-WY I-80
SD-WY I-90
WY-MT  I-90, US212, US191
WY-ID  WY22, ID33
MT-ID  I-90
ID-WA  I-90
WA-OR  I-5, I-82
OR-CA  I-5
CA-NV  I-80, I-15, US6
NV-UT  US50
CA-AZ  I-40
CO-UT  I-70, US491
TN-VA  I-81
VA-DC I-495
DC-MD I-495
MD-DE US113, DE404/MD404
VA-WV I-64
WV-KY I-64
KY-TN I-65
IL-IN  I-70
IL-OH  I-70
OH-KY I-71
MN-WI I-94

Illinois
IL-WI: I-94, US-14, I-39/90, IL-84, IL-35
IL-IN: I-80/94
IL-IA: US-20

Indiana
IN-MI: I-94
IN-OH: I-80/90

Michigan
MI-Canada: Ambassador Bridge via I-75/96

Ohio
OH-PA: I-80

Pennsylvania
PA-NY: I-81

New York
NY-Canada: Rainbow Bridge

Wisconsin
WI-MN: I-90, I-94
WI-IA: US-61/US-151

Minnesota
MN-SD: I-90

South Dakota
SD-WY: US-16, US-85

This is bound to be a partial list.  Can't remember everything.  Going back to about junior year of HS...

USA
MI/IN : I-94 (driving and hitchhiking)
IN/IL : I-90 . I-94 (driving and hitchhiking)
IL/WI : I-90 . I-94 (Greyhound only)
WI/MI : US-41 (Greyhound only)
WI/MN : I-90 . I-94
TN/KY : I-24
IL/KY : US-45 . I-24 . US-62
IL/MO : US-62 . I-57 . IL-146 . MO-51 . I-255 . I-55 . I-70 . I-270 . US-67 . US-54
IL/IA : IL-9 (on top by car & on bottom by Amtrak) . US-34 . I-80
AR/MO : MO-37
MO/OK : OK-10C
MO/KS : US-400 . MO-171 . MO-150 . I-435 (both). SM Pkwy . I-35 . I-635 . US-59
MO/IA : I-35 . US-169
IA/MN : I-35
TX/OK : I-35 . I-44 . US-54 . US-385
OK/KS : US-59 . I-35 . US-54 . KS-25 . US-56
KS/NE : US-75 . US-81 . US-183 . US-83 . KS-117 . KS-25 . KS-161
TX/NM : US-54
KS/CO : US-400 . I-70 . US-36
NE/CO : I-76
CO/UT : CO-90 . I-70

Mexico
JAL/NAY : Fed-200 . Fed-15D
NL/COAH : Fed-40D . Fed-40
NL/TAMPS : Fed-85 . Fed-2

Partial list JUST for New York:

- NY/MA: Every through road, plus three trails in Taconic State Park (NY side) and the Taconic Crest Trail
- NY/PA: Every road with a state number on the NY side, south entrance to Allegany State Park, State Line/Damascus Rd south of Windsor, PA 191, Robeling Aqueduct, Callicoon Rd across the Delaware, a trail in Allegany State Park
- NY/ON: All 4 road bridges in the Buffalo area (one also on foot)
- NY/VT: All roads with a state number on either side, plus Sparks/Ore Bed Road near Bennington
- NY/NJ: All roads with a state number on either side or a 5xx number on the NJ side, all Hudson River bridges/tunnels (including rail), all 3 road crossings to Staten Island, ferry from Hoboken - Manhattan
- NY/CT: All roads with a state number on the NY side, CT 41, CT 341, CT 343, CT 361, trail that passes CT/MA/NY tripoint. Possibly other local roads on the panhandle.

No way that I could ever list all mine, but I have done every possible crossing from Kentucky into Missouri, Illinois, Indiana and Ohio. I have not done every crossing from Kentucky into West Virginia; there's a local crossing from Pike County into Vulcan, WV, which is landlocked from the rest of the state. I've crossed every state route crossing from Kentucky into Virginia, but there are gobs of local roads that cross that I haven't used. And definitely the same for Tennessee, for which I have NOT use all the state route crossings.

I've also done every crossing between Ohio and West Virginia, and every one between Tennessee/Missouri and Tennessee/Arkansas.

DC-MD: I-95/495, I-295
DC-VA: I-66, I-95/495, Arlington Memorial Bridge

FL-GA: I-75

GA-TN: I-75

IL-IN: I-80/94, I-90

IN-KY: I-65
IN-MI: I-94, US-31, US-131, IN-9 -> M-66, I-69, IN-120 -> Territorial Rd (near IN-MI-OH tripoint)
IN-OH: I-80/90

KY-TN: I-65

MD-PA: I-70
MD-VA: I-495
MD-WV: I-81

MI-OH: M-49 -> OH-49, M-99 -> OH 15, US-127, M-52 -> OH-109, Memorial Hwy -> Main St (Sylvania), US-23/223, I-75
MI-ON: International Bridge (Sault Ste. Marie)
MI-WI: US-10 (Badger)

MN-WI: I-94

OH-PA: I-76
OH-WV: I-77

VA-WV: I-81

A full list would take up a full forum page or more, so I'll just cite those west of the Rockies:

CA/AZ:  I-8, I-10, CA 62/AZ 95 Spur, I-40.
CA/NV:  US 95, Nipton Rd./NV 164, I-15, Death Valley Jct.-Pahrump Rd., CA 266/NV 266, US 6, CA 167/NV 359, US 395 (S), US 50, CA/NV 28, I-80, US 395(N).
CA/OR:  US 101, US 199, I-5, US 97, CA 139/OR 39, US 395.
NV/OR:  US 95
OR/WA: US 101, I-5, I-205, Bridge of the Gods, OR/WA 35, US 197, US 97, I-82, US 395.
OR/ID:   I-84, US 20/26, US 95
WA/ID:  US 12, US 195, I-90, WA 290/ID 53, US 2.
ID/MT:  US 2, MSR 200, I-90, US 12, I-15, US 20
ID/WY:  ID 33/WY 22, US 26.
ID/UT:   I-15, I-84.
ID/NV:  US 93
NV/UT:  I-80, US 6/50.
NV/AZ:  I-15, US 93 (pre I-11); NV 164/AZ 68.
AZ/UT:  I-15, AZ 389/UT 59, US 89, US 163.
AZ/NM: US 160, US 64, I-40, AZ 61/NM 53, US 70, I-10.
UT/CO:  US 491, I-70, US 40.
UT/WY:  I-80.

I'll list more to the east at some other time TBD!

Quote from: sparker on November 08, 2018, 01:54:45 AM
CA/AZ:  I-8, I-10, CA 62/AZ 95 Spur, I-40.
CA/NV:  US 95, Nipton Rd./NV 164, I-15, Death Valley Jct.-Pahrump Rd., CA 266/NV 266, US 6, CA 167/NV 359, US 395 (S), US 50, CA/NV 28, I-80, US 395(N).
CA/OR:  US 101, US 199, I-5, US 97, CA 139/OR 39, US 395.

My list for roads between California and its neighboring states is similar, except to add I-8 business in Yuma, CA 299/unnumbered Nevada road, CA 182/NV 338, CA/NV 88, CA 127/NV 373, CA 178/NV 372, Daylight Pass Rd./Death Valley Rd. (connects to NV 374), and CA 161 which seems to cross or follow the CA/OR border. I think the only CA/NV link I'm missing is the unnumbered road east of Death Valley Jct.

Also, between CA and Mexico, I-5, CA 905, CA 188, CA 186, and their unnumbered counterparts on the Mexican side.

For Alaska, all five of its road connections to Canada: AK 5/YT 9 (Top of the World Hwy.), AK 2/YT 1 (Alaska Highway), unnumbered road in Hyder AK and BC 37A, AK 7/YT 3 (Haines Highway), and AK 98/YT 2 (Klondike Hwy.). The last two crossings include Yukon-maintained routes cutting through the isolated northwest corner of British Columbia.

* means I have only crossed as a passenger, not as a driver

Oregon/Washington
US-101
WA-433
I-5
I-205
Bridge of the Gods*
Hood River Bridge
US-197
US-97
I-82
(note, the lack of US-730 here means this is the first road crossing from west to east that I have not been on)
WA-125/OR-11*
WA-129/OR-3*

Oregon/California
US-101*
US-199*
I-5*
US-97
Some random farm road in Klamath County terminating at CA-161* (avoiding an accident on US-97)
OR-39/CA-139*
US-395*

Oregon/Idaho
US-95 Spur
US-30
I-84
US-20/26
OR-201/ID-19
US-95

Washington/Idaho
I-90
US-195 Spur
US-195
US-12

Nevada/California
US-395 (North crossing)*
I-80*
NV/CA-28*
US-50*

Idaho/Montana
I-90*
I-15
US-20*

Idaho/Utah
I-84
I-15

Idaho/Nevada
US-93

Utah/Arizona
I-15

Arizona/Nevada
I-15

Idaho/British Columbia
US-95/BC-95

Montana/Alberta
I-15/AB-4

Montana/Wyoming
US-20*

Idaho/Wyoming
WY-22/ID-33*

Washington/British Columbia
I-5/BC-99*

^^^^^^^^^
Just remembered one more CA-NV that I've been on; CA/NV 88.  Sort of forgot about it because the one time I was on it I wasn't driving (might have even nodded off around the state line!).  Probably will actually utilize it in the near future; just touched base with a former audio-industry colleague who's now based in Carson City -- might well get up there over the holidays if CA 88/Carson Pass is open.

I'm just going to write the ones where I was the driver as I cannot remember all the ones as a kid:

CT-MA: I-84, I-91, I-395, US-5
CT-NY: I-84
CT-RI: US-6
DE-MD: US-13, US-40, US-113, US-301, DE-1/MD-528, DE-6/MD-291, DE-8/MD-454, DE-12/MD-314, DE-54/MD-54, DE-273/MD-273, DE-279/MD-279, MD-281, MD-286, DE-896/MD-896
DE-NJ: I-295/US-40 (Delaware Memorial Bridge)
DE-PA: I-95, US-13, US-202, DE-7, DE-41/PA-41, DE-52/PA-52
MA-RI: MA-146/RI-146
MD-WV: WV-28 Alternate
NJ-NY: I-287/NJ-17/NY-17, Garden State Parkway
PA-MD: US-1, PA-272/MD-272, PA-896/MD-896
PA-NJ: I-95, US-202, PA-179/NJ-179
PA-NY: I-84, "I-99"/US-15

Here's my list:

Quote from: CNGL-Leudimin on November 09, 2018, 04:18:42 AM
Here's my list:

No German states?

CA/BC
I-5/MEX 1

CA/OR
US 101
US 199
I-5
CA 139/OR 39
Southwest Airlines
Alaska Airlines
Delta Airlines

ID/OR
I-84
US 20-26

OR/WA
US 101
WA 433/Lewis and Clark Bridge
I-5
I-205
Bridge of the Gods
OR 35/Hood River Bridge
US 197
Amtrak Cascades/Coast Starlight
TriMet 6 MLK Jr Blvd (Vancouver service discontinued)

WA/BC
I-5/BC 99

CA/NV
I-15
US 395
US 395

AZ/NV
I-15
Hoover Dam

AZ/UT
I-15

AZ/CA
I-10

AZ/NM
I-10
US 160

NV/UT
I-80

ID/UT
I-84

ID/MT
US 20
I-90

ID/WA
I-90

MT/WY
West Entrance Rd

MT/ND
I-94

ND/MN
I-94-US 52
I-94 Bus-US 10

MN/WI
I-94
I-90
US 14-61-MN/WI 16
US 63
US 10
US 2
I-535-US 53

IA/MN
I-35-IA 27
US 65
MN 105/State Line Rd
US 218
US 63
MN/IA 139
US 52
MN/IA 76

IA/MO
I-35

MO/KS
I-35
I-435-US 50

AR/MO
US 71

AR/TX
US 59-71
I-30

AR/LA
US 71

LA/MS
I-20-US 80
I-55

LA/TX
I-10-US 90

NM/TX
I-10-US 85-180

CO/NM
US 160
US 84
NM/CO 17
US 285
CO 159/NM 522

CO/UT
US 491

SD/WY
I-90-US 14

MN/SD
US 14

MI/WI
US 2

MI/ON
I-69-94/ON 402

NY/ON
QEW/Peace Bridge

NY/VT
VT 17/NY 185

NY/CT
Amtrak Vermonter

CT/MA
Amtrak Vermonter

MA/VT
Amtrak Vermonter

NH/VT
Amtrak Vermonter
Amtrak Vermonter

CA/NY
PanAm Airlines

NY/OR
JetBlu Airlines

MN/OR
Northwest Airlines

NM/OR
Southwest Airlines

Oh goodness, here is my list of highways that I've traveled across around the Midwest (as of right now as a passenger):

IN/IL: I-80/I-94/U.S. 6, I-90, U.S. 20/12/41, I-74, IN 2/IL 17
IN/MI: I-94, U.S. 12, IN 39/MI 239, U.S. 31, I-69
IN/KY: I-65, I-64, IN 265/KY 841, U.S. 421
IN/OH: I-80/90, I-70/US 35, US 30, US 24

IL/WI: I-90/39, I-94/41/US 41, US 12, US 14
IL/IA: I-74, US 20
IL/MO: I-72/US 36/IL-MO 110, I-70, I-57, US 60/62
IL/KY: US 51/62

OH/PA: I-76, I-90, US 20, US 422
OH/WV: I-70, US 35

MI/WI: US 2
MI/OH: US 23
MI/Ontario: Ambassador

WI/MN: US 2, I-535/US 53, I-94, I-90, US 14

Will make separate lists of all the roads that I used to cross or have crossed over before...

Quote from: 1 on November 09, 2018, 05:32:38 AM
No German states?

I haven't been to Germany either. I've only been to 5 countries in my life, and none of them has states. Of course, I've crossed subnational borders lots of times, most notably every paved one between Aragon and Rioja (though it's not possible to reach the rest of Aragon from that area without crossing into either Castile and Leon or Navarre, or going on dirt tracks).

There are way too many to list, but I will say I have crossed every single PA-MD crossing where the PA side is a State/US/Interstate Route.

Just going to list my ones for Indiana

IN/IL:
I-90 Indiana Toll Road/Chicago Skyway
US 12/20/45 Indianapolis Blvd
Gostlin St/Brainard Ave
Sibley Blvd
Wildwood Rd/Michigan City Rd
165th St/River Oaks Dr
River Dr/Bernice Rd
I-80/94
Adelaide Pl/177th St
Ridge Rd
Terrace Dr
45th St/Glenwood-Lansing Rd
US 30
IN 2/IL 17
IN 10/IL 114
US 24/52
IN 18/CR 880N
IN 26/IL 9
IN 28/IL 119
US 136
I-74
IN 32/Perrysville Rd
IN 234/Mill Rd
US 36
IN 163/Clinton Rd
US 150
I-70
US 50
IN 441/Old US 50
IN 64/IL 15
I-64
IN 62/IL 141

IN/KY [have completed all of these]:
US 41
IN 161/KY 2262
US 231
IN 237/KY 69
IN 135/KY 79
I-64
US 31
I-65 (both bridges)
IN 265/KY 841
US 421
IN 101/KY 1039
I-275

IN/OH:
I-275
US 50
I-74
US 27
I-70
IN 28/OH 571
IN 32/OH 47
IN 26/OH 119
IN 67/OH 29
IN 218/OH 707
IN 124/OH 81
US 33
US 224
US 30
US 24
IN 37/OH 2
IN 8/OH 18
US 6
IN 427/OH 34
I-80/90
US 20

IN/MI:
IN 120/Territorial Rd
Fremont Rd
I-69
IN 327/Rierson Rd
IN 9/M-66
US 131
IN 15/M-103
CR 17/M-217
IN 19/Cassopolis Rd
IN 23/M-62
Gumwood Rd
Ironwood Rd
IN 933/M-51
US 31
IN 39/M-239
I-94
US 12
Lake Shore Dr

IA/IL
-I-74/US 6
-I-80
-I-280
-US 20
-US 30
-US 52/State Route 64
-US 67

IL/IN
-I-80/94/US 6
-I-90
-US 12/20/41
-US 24/52
-US 30
-IL 17/IN 2
-Exchange Street
-Glenwood-Lansing/45th
-Ridge Road
-River Oaks/165th
-Sibley Road
-Steger Road

IL/MO
-I-55 and any concurrencies, including former I-70
-I-270

IL/WI
-I-39/90
-I-94/US 41 (wasn't I-41 at the time)
-US 12
-US 45
-US 51

IN/KY
-I-275

IN/MI
-I-94
-US 12

IN/OH
-I-70/US 35
-I-74/US 52
-I-80/90
-I-275
-US 6
-US 30

KY/WV
-I-64
-US 52 (technically)
-US 119

OH/KY
-I-471
-US 23
-US 25/42/127
-US 62
-US 68

OH/PA
-I-76

OH/WV
-US 30
-US 35
-US 52

PA/WV
-US 30

NC/SC
-US 1
-US 52
-State Route 38

NC/VA
-I-77
-US 52

VA/WV
-I-77/US 52

OR/WA: I-5, I-82, I-205, US 101, US 197, Bridge of the Gods
OR/ID: I-84, US 30, US 95
OR/CA: I-5, US 101, US 199, SR 39/139
OR/NV: US 95, SR 140
WA/ID: I-90, US 2
CA/NV: I-15, I-80, US 95, US 395 (northern), Nipton Rd/SR 164
CA/AZ: I-40, I-10
NV/AZ: I-11/US 93, I-15
NV/UT: I-80
NV/ID: US 93
ID/MT: I-90, I-15
UT/AZ: I-15, US 89A, SR 59/389
UT/ID: I-15, I-84
UT/WY: I-80
WY/NE: I-80
NE/IA: I-80, I-480, SR 2
IA/MO: I-29
CO/KS: I-70
CO/WY: I-25
KS/MO: I-70, US 400
MO/AR: US 65

WA/BC: I-5/BC-99, WA-31/BC-6, Anacortes/Sidney Ferry
ID/BC: ID-1/BC-6

This is intense even for me, and I'm not nearly as well-traveled as many other members.

New York
NY/ON: I-81/ON 137 (Thousand Islands), I-190/ON 405 (Lewiston), Bridge St (Whirlpool), NY 384/ON 420 (Rainbow), NY 266/QEW (Peace)
NY/QC: none as of yet
NY/VT: NY 22 (Essex/Charlotte Ferry)*, NY 185/VT 17 (Crown Point)
NY/MA: I-90
NY/CT: I-684, NY 120A, I-95
NY/NJ: I-287, GSP, PIP, various local streets, I-95 (George Washington)
NY/PA: I-84, I-81, US 220, I-99, NY 16, US 219, NY 280, I-86, I-90

Pennsylvania
PA/NY: I-90, I-86, PA 346, US 219, PA 646, US 15, US 220, I-84, I-81
PA/NJ: I-80 (Del Water Gap), PA 611 (Portland-Columbia), I-78 (Easton-Phillipsburg)
PA/DE: I-95
PA/MD: I-83, I-81
PA/WV: I-79
PA/OH: I-90

Other States
I don't want to take the time of listing out all the single crossings I've made from one state into another, so I'm including only state lines which I have crossed in three or more places:
MN/ND: MN 171/ND 59, US 2, I-94
MN/WI: I-535, US 8, I-94, US 63, MN 60/WI 25, I-90

*Oh, and are we counting ferry crossings? I wasn't sure.

AL: From FL, US-231
AR: From TN, I-40
AR: From OK, I-40
DC: From VA, I-495,I-395
DC: From MD, I-495
DE: From NJ, I-295
DE: From MD, I-95
FL: From GA, I-75,I-95
GA: From FL, I-75,I-95
GA: From SC, I-85,I-95
GA: From TN, I-24,I-75,
IA: From IL, I-80,IL-92
IL: From IN, I-70,I-80/94,US-52
IL: From WI, I-39/90,I-94,US-12,US-41, and Wilmot Rd (high school ski trip on a schoolbus)
IL: From IA, I-80, US-136
IL: From MO, I-55/64 (was also I-70 then but not now).
IL: From KY, I-24
IN: From IL, I-70,I-80/94
IN: From MI, I-94,US-12,US-131
IN: From OH,I-70,I-80/90
IN: From KY, I-65
KY: From IN, I-65
KY: From OH, I-71/I-75
KY: From WV, I-64
KY: From TN, I-24,I-65
MD: From PA, I-70
MD: From DC, I-495
MD: From DE, I-95
MI: From IN, I-94, US-131
MI: From OH,US-23
MO: From IL, I-55/64 (was also I-70 at the time)
NC: From VA, I-77,I-95,US-13,VA-16,Blue Ridge Pkwy
NC: From TN, I-26,I-40,US-19E,US-19W,US-23,US-25,US-64/US-74,US-70,US-129,US-321,US-421,US-441,TN-70,TN-107,TN-143,TN-165,TN-352,TN-395
NC: From SC, I-26,I-85,I-95,US-1,US-501
NJ: From PA, I-78,I-80,I-376(?)(-whatever the direct connection was from the PA Turnpike was winter of 1970-1971)
NJ: From NY, GWB,Lincoln Tunnel,Holland Tunnel,Outerbridge Crossing
NJ: From DE, I-295
NM: From TX, I-10
NY: From NJ, GWB,Lincoln Tunnel,Holland Tunnel,Outerbridge Crossing
OH: From IN, I-70,I-74,I-80/90,US-30
OH: From MI, US-23, I-75
OH: From PA, I-76,I-80
OH: From WV, I-70
OK: From TX, I-40
PA:  From OH, I-76, I-80
PA: From WV, I-70
PA: From MD, I-70,US-15
PA: From NJ, I-78,I-80
SC: From GA, I-20,I-95
SC: From NC, I-85,I-95,US-1,US-76,US-501
SC: From GA, I-20
TN: From NC, I-26,I-40,US-19E,US-19W,US-23,US-25,US-64/US-74,US-70,US-129,US-321,US-421,US-441,NC-143,NC-208,NC-197,NC-226
TN: From KY, I-24,I-65,I-75
TN: From AR, I-40
TN: From AL, I-65
TN: From GA, I-24,I-75,GA-60
TX: From AR, I-30
VA: From NC, I-77,I-95,US-17,US-21
WI: From IL, I-39/90,I-94,US-12,US-41, and Wilmot Rd (high school ski trip on a school bus)
WV:From OH, I-70
WV:From PA, I-70
WV:From VA: I-64

LA/TX:
I-10
I-20
US 79
US 80
US 84
LA 1/TX 77
LA 2/TX 149
LA 6/TX 21
LA 8/ TX 63
LA 12/TX 12
LA 765/FM 31
Myrtis TX State Line Rd/FM 125
Blanchard Latex Rd/ FM 1999

LA/AR:
I-49
US 71
US 79
US 63/167
US 425
LA 3/AR 29
LA 142/AR 133
LA 558/AR 7

LA/MS:
I-10
I-20/US 80
I-55
US 61
US 65/84/425
US 90
LA 469/Ft Adams-Pond Rd

AR/TX:
I-30
I-49 (just barely)
US 59/71
US 67/82
US 71
AR 41/TX 8
AR 151/TX Loop 151
S. State Line Ave
Arkansas Blvd/ TX Loop 14

AR/OK:
US 70
AR 8/ OK 63
AR 32/ OK 3
AR 88/OK 1

AR/MO:
I-55
US 65
US 71
AR 23/MO Trunk P

AR/TN:
I-40
I-55/US 61/64/70/79
I-155/US 412

TX/OK:
I-35/US 77
US 69/75
US 377

TX/NM:
I-40

NM/CO:
US 550

MO/KS:
US 166/400
MO 66/KS 66

MO/IL:
I-255 (I think)
MO 74/IL 146
St Louis Metro over the Eads Bridge

MO/KY:
US 51/60/62

KY/TN:
I-65
US 51

KY/OH:
I-71/75

KY/WV:
I-64

OH/WV:
US 52
OH/WV 527

MS/AL:
I-10
I-20/59
US 78
US 90
US 98

MS/TN:
US 78

TN/GA:
I-24
TN Secondary 148/GA 189
Lula Lake Rd.

TN/NC
US 64/74
US 441

TN/VA
I-81

AL/GA:
I-20
I-59
US 80 (old routing)

AL/FL:
I-10
AL 182/FL 292

FL/GA:
I-75

VA/DC:
I-66
I-395
Arlington Memorial Bridge





iPhone

I'll give this a shot:

AL/MS: I-20/59
AL/TN: US 231/431, I-65
AL/GA: I-59, I-20
AZ/CA: I-10
AZ/NV: I-15
AZ/UT: I-15
AZ/NM: I-10
AR/TX: I-30
AR/OK: I-40
AR/MO: I-55
AR/TN: I-40
CA/NV: I-15
CA/AZ: I-10
CO/UT: I-70
CO/OK: US 385
CO/NM: US 491
GA/TN: I-75, I-24
GA/SC: I-85
IL/MO: I-55, I-57
IL/IA: I-80
IL/WI: I-94
IL/IN: I-80/94, I-70, US 24
IN/MI: I-94, US 131, M-103/IN 15(?), US 31, I-69, M-66/IN 9
IN/OH: I-80/90, US 30, I-70, US 27, US 50
IN/KY: I-64, I-65
IA/NE: I-80
KY/TN: I-75, US 127, US 25E
LA/TX: I-10, I-20
LA/MS: I-20, I-10
MI/OH: M-99/OH 15, I-75
MO/OK: I-44
NE/WY: I-80
NM/TX: US 62/180 (Both ends), US 285, I-40
NC/SC: I-85
OK/TX: I-40, US 69/75, US 287/385
TN/VA: US 58, SR 70
UT/WY: I-80

From what I can remember:

KS/OK: US 56, OK-136/K-25, US 54, US 83, US 177, I-35, US 77, OK-99/K-99, U.S. 75, U.S. 169, US 69, Alt. US 69

KS/MO: U.S. 36, K-92/MO-92, I-35, I-635, U.S. 69, I-435, MO-150, K-68/MO-2, K-52, K-239, U.S. 54, U.S. 160, K-126, K-171, (K-96), K-66, US 166-400.

NE/MO: I-80, US 159.

KS/NE: [EDIT:] I've realized I've crossed this state line twice, not once as I said before. Once was via U.S. 73/159 but the other I'm not certain about (either U.S. 75 or U.S. 77).

MO/IA : I-35, I-29

IA/MN: I-35

MN/WI: U.S. 8

MN/ND: I-94

MN/ON: MN-61/ON-61

ND/MB: I-29/MB 75

MO/IL: U.S. 36, I-55/64/70

IL/IN: I-74, U.S. 136

MO/AR: MO/AR-59, U.S. 71

AR/OK: I-40, AR-220/OK-101

OK/TX: I-35, U.S. 83, TX/OK-136

TX/NM: U.S. 87

OK/NM: U.S. 56/412

KS/CO: I-25, K-96/CO-96, U.S. 50

CO/WY: I-25, U.S. 287

WY/UT: I-80, UT-30/WY-89.

WY/ID: U.S. 30

UT/ID: I-84, U.S. 89

Heck, just my IL/IN list will be a bit long...

I-90
I-80/94
US 30
IL 17/IN 2
IL 114/IN 10
US 24/52
State Line Rd (just north of Danville, IL)
I-74
IN 32/Perrysville Rd
IN 234/Mill Rd
US 150
I-70
US 50
I-64
IL 141/IN 62

I'll add in other states later

That reminds me, I have crossed the IL/IN state line on I-64.

Hopefully I didn't miss anything :):

AB/BC: Highway 3, Highway 93
AR/MO: AR 21/MO 13, US 65
CO/NE: I-76
CO/UT: I-70
DC/MD: I-295, DC 295, MD 355
DE/PA: I-95
FL/GA: I-75, I-95
GA/SC: I-95
GA/TN: I-24, I-75
ID/MT: US 20
ID/UT: I-15
IL/IN: I-70, I-80
IL/IA: I-80
IL/MO: I-55/65, I-255
IL/WI: I-39/90
IN/KY: I-275
IN/MI: IN 23/M-62, I-69, I-94
IN/OH: US 24, I-70, I-80/90, I-275
IA/NE: I-80
KY/OH: I-275, maybe I-471
KY/TN: I-65
MB/ND: I-29/PTH 75
MB/SK: TCH 1, TCH 16
ME/NB: NB 1
ME/NH: ME 26/NH 26
MD/PA: US 15, I-70, I-83
MD/VA: I-95/495, I-270
MI/OH: US 23, I-75
MI/ON: Ambassador Bridge, Detroit-Windsor Tunnel, I-69/94/The 402, I-75 (The Soo)
MI/WI: US 2
MN/ND: US 2
MN/SD: I-90
MN/WI: US 2, I-90
MT/WY: US 20/191/287
NB/NS: Saint John-Digby Ferry
NB/PEI: Confederation Bridge (TCH 16)
NH/VT: VT 114
NJ/PA: NJ 73, I-676
NS/PEI: Pictou-Wood Islands Ferry
NY/ON: Peace Bridge, Rainbow Bridge, The 405/I-190, Ogdensburg-Prescott Bridge
NY/PA: NY 17 (x2), I-81, I-90, I-99/US 15, US 219
NY/VT: US 4
NC/SC: US 17, SC 38, I-77, I-95, SC 410, US 701
NC/VA: US 29, I-77, I-95
ON/QC: A-5, The 401/A-20, Portage Bridge (Ottawa-Gatineau), ON/QC 148
QC/VT: QC/VT 243
SD/WY: US 18
VA/WV: I-77

While we're taking it to Canada and its provinces and territories, for me:

YT/NT: YT 5/NT 8 (Dempster Hwy), YT 6/unnumbered road in NT (Canol Rd)

YT/BC: YT 7/unnumbered road in BC (Atlin Rd), YT/BC 37 (Cassiar Hwy), YT 2 and YT 3 crossing through BC to Alaska, several crossings on the Alaska Highway as it zigzags along the YT/BC border

NT/BC: NT 7/BC 77 (Liard Hwy)

NT/AB: NT 1/AB 35 (Mackenzie Hwy), several crossings on NT 5 (Ft. Smith Hwy) as it zigzags along the NT/AB border

BC/AK (in addition to the ones noted upthread):  Alaska Marine Highway ferry between Prince Rupert BC and Ketchikan AK

BC/AB: BC 2/AB 43, BC/AB 49, BC/AB 16 (TCH Yellowhead), BC/AB 1 (TCH main), BC/AB 3 (Crowsnest Hwy)

BC/WA: BC 99/I-5, BC/US 97, BC/US 395, also Washington State Ferries between Sydney BC and the San Juan Islands

BC/ID:  BC/US 95

BC/MT:  BC/US 93

AB/MT:  AB 2/US 89, AB 4/I-15

AB/SK:  AB 501/SK 13, AB/SK 1 (TCH), AB 537/SK 371, AB 545/SK 321, AB 13/SK 14, AB 14/SK 40, AB/SK 17 as it zigzags along the border, AB/SK 16 (TCH Yellowhead), AB 45/SK 3, AB/SK 55

SK/MT:  SK 4/US 191

SK/ND: SK 35/US 85, SK 39/US 52

SK/MB:  SK 18/MB 3, SK/MB 1 (TCH), SK 22/MB 478, SK 10/MB 5, SK 5/MB 363, SK/MB 57, SK/MB 49, SK 753/MB 275, SK 167/MB 10, MB 291 (briefly cutting through corner of SK)

MB/ND:  MB/US 83, MB 5/ND 4, MB 10/US 281, MB 31/ND 1, MB 30/ND 18, MB 75/I-29

MB/MN:  MB/US 59, MB/MN 89. MB/MN 310

MB/ON:  MB 1/ON 17 (TCH)

MN/ON:  MN 72/ON 11, US/ON 71, MN/ON 61

ON/MI:  I-75, I-69, Ambassador Bridge, Detroit-Windsor Tunnel

ON/NY:  QEW/Peace Bridge, ON 420/Rainbow Bridge, ON 405/I-190, ON 137/I-81, bridge between NY 812 (Ogdensburg NY) and Johnstown ON, unnumbered International Bridge between NY 37 and Cornwall ON, Wolfe Island ferry across St. Lawrence River to Kingston ON

ON/QC:  ON 401/A-20, ON 417/A-40, ON 101/QC 388, ON 66/QC 117 (TCH), ON 63/QC 101, ON/QC 148 near Pembroke ON, A-5 bridge to Ottawa ON, ferry across St. Lawrence River to Thurso QC, bridge between Port Hawkesbury ON and Grenville QC

QC/NY:  I-87/A-15, US 11/QC 223

QC/VT:  I-89/QC 133, US 5/QC 143, I-91/A-55

QC/NH:  US 3/QC 257

QC/ME:  US 201/QC 173

NL/QC:  QC 138/NL 510, QC 389/NL 500, ferry from St. Barbe NL to Blanc Sablon QC

NL/NS:  Marine Atlantic ferries from North Sydney NS to Argentia NL and to Port aux Basques NL

NS/PEI:  Wood Islands ferry from Pictou NS to Wood Islands PE

PEI/NB:  PE 1/NB 16 (Confederation Bridge) from Borden PE to Cape Tourmentine NB

PEI/QC:  CTMA ferry from Souris PE to Cap-aux-Meules QC

NS/ME:  CAT ferry from Yarmouth NS to Portland ME

NS/NB:  NS104/NB 2 (TCH), NB 970 near Tidnish Bridge NS

NB/ME:  NB1/US 1 near Calais ME, NB 4/ME 6 near Vanceboro ME, NB/I-95, NB 17 bridge near Van Buren ME, bridge between Madawaska ME and Edmundston NB, US 1/NB 161 in Ft. Kent ME

NB/QC:  NB 120/QC 289, A-85/NB 2 and adjacent old TCH crossing, NB 11/QC 132

AL->FL
*US 231
*US 29

AL->GA
*I-59
*US 411
*AL 9-GA 20
*US 278
*US 78
*I-20
*AL 46-GA 166
*US 29
*I-85
*US 80
*US 280

AL->MS
*US 72
*US 278
*US 78
*I-22
*US 82
*I-20/59
*US 11/80
*US 90
*I-10

AL->TN
*I-65/US 31
*US 231/431
*AL 79-TN 16
*US 72

MS->LA
*I-59

MS->TN
*I-55
*US 78
*US 72

TN->AR
*I-55/US 61/64/70/79
*I-40

TN->KY
*I-65
*I-75
*US 25E

GA->SC
*US 123
*I-85
*I-20

GA->FL
*I-75

KY->IN
*I-64
*I-65
*US 421

AR->TX
*I-30
*US 59/71
*US 82

MS->AR
*US 82/278
*US 49

AR->MO
*US 71
*I-55

MO->TN
*I-155/US 412

KY-OH
*I-71/75

AZ/NV: US 93 (Hoover Dam crossing, not Tillman Bridge)
CO/KS: I-70
CO/NM: I-25
GA/FL: I-75
GA/SC: US 17, GA 25 (former ALT US 17)
IL/IN: I-90 (Skyway), I-294 (Tri-State), I-74
IL/MO: I-55/70 (Poplar St Bridge), I-270
IL/KY: I-24
IN/KY: I-65 (Kennedy Bridge), US 41 (Twin Bridges)
IN/MI: I-94
IA/IL: I-80, I-280
IA/MO: I-29, I-35
IA/MN: I-35
KS/OK: I-35 (Turnpike)
KY/TN: I-24, I-75, I-81
KY/VA: US 23
MD/PA: US 15
MO/KS: I-70, I-435
MO/OK: I-44
NE/IA: I-80, I-680, I-480, US 30, NE 2 (old Waubonsie Bridge and current bridge)
NE/KS: US 75, US 77, US 81
NE/CO: I-76
NE/SD: US 385
NM/TX: US 87
NC/SC: I-26, I-77, US 501
OH/IN: I-80/90 (Turnpike)
OH/KY: I-275
OK/TX: I-35, US 81
PA/OH: I-76 (Turnpike)
SD/MN: I-90
TN/GA: I-24, I-75
TN/NC: I-40, I-26 (I-181)
VA/MD: I-495
WI/IL: I-90/39, US 51, IL 2, WI 35, WI 80/IL 84, US 12, I-94/(41), Green/Rock Co. "T"
WI/IA: US 61/151 (Dubuque-Wis Bridge), US 18 (Marquette Bridge), WI 82/IA 9 (Black Hawk Bridge)
WI/MI: US 41, Iron Co "G"/MI Co Rd. 519
WI/MN: I-94

VIC/NSW: M-31 Hume Frwy
VIC/SA: C192 Portland-Nelson Rd / Glenelg River Rd
NSW/ACT: A-25 Barton Hwy, M-23 Federal Hwy
NSW/QLD: M-1 Pacific Hwy

VA-NC: VA-86/NC-86

VA-NC: US-501

VA-NC: US-29

VA-NC: I-95

VA-WV: I-64

WV-OH: I-77

OH-MI: I-75

Quote from: 7/8 on November 10, 2018, 04:20:15 PM
Hopefully I didn't miss anything :):

AB/BC: Highway 3, Highway 93
AR/MO: AR 21/MO 13, US 65
CO/NE: I-76
CO/UT: I-70
DC/MD: I-295, DC 295, MD 355
DE/PA: I-95
FL/GA: I-75, I-95
GA/SC: I-95
GA/TN: I-24, I-75
ID/MT: US 20
ID/UT: I-15
IL/IN: I-70, I-80
IL/IA: I-80
IL/MO: I-55/65, I-255
IL/WI: I-39/90
IN/KY: I-275
IN/MI: IN 23/M-62, I-69, I-94
IN/OH: US 24, I-70, I-80/90, I-275
IA/NE: I-80
KY/OH: I-275, maybe I-471
KY/TN: I-65
MB/ND: I-29/PTH 75
MB/SK: TCH 1, TCH 16
ME/NB: NB 1
ME/NH: ME 26/NH 26
MD/PA: US 15, I-70, I-83
MD/VA: I-95/495, I-270
MI/OH: US 23, I-75
MI/ON: Ambassador Bridge, Detroit-Windsor Tunnel, I-69/94/The 402, I-75 (The Soo)
MI/WI: US 2
MN/ND: US 2
MN/SD: I-90
MN/WI: US 2, I-90
MT/WY: US 20/191/287
NB/NS: Saint John-Digby Ferry
NB/PEI: Confederation Bridge (TCH 16)
NH/VT: VT 114
NJ/PA: NJ 73, I-696
NS/PEI: Pictou-Wood Islands Ferry
NY/ON: Peace Bridge, Rainbow Bridge, The 405/I-190, Ogdensburg-Prescott Bridge
NY/PA: NY 17 (x2), I-81, I-90, I-99/US 15, US 219
NY/VT: US 4
NC/SC: US 17, SC 38, I-77, I-95, SC 410, US 701
NC/VA: US 29, I-77, I-95
ON/QC: A-5, The 401/A-20, Portage Bridge (Ottawa-Gatineau), ON/QC 148
QC/VT: QC/VT 243
SD/WY: US 18
VA/WV: I-77

Typo on I-696.  I think you meant I-676 :bigass:

These are just while driving:

NC/VA:  US 52, US 21, I-77, US 220, I-85, I-95
NC/TN:  US 25/70, US 23, I-26, I-40, US 421
TN/KY:  US 25E
VA/WV:  I-77, I-81
NC/SC:  I-85, US 1, US 501, I-77/US 21, NC 49
VA/MD:  I-495, I-95, US 301
MD/DE:  US 301, I-95
MD/PA:  US 1, I-81, I-70 (never been to Breezewood, however)
WV/KY:  I-64
PA/NY:  I-84 (kind of), I-81
NY/CT:  I-84, I-95
CT/RI:  I-95
RI/MA:  I-95, I-295
MA/NH:  I-95
NH/ME: I-95
DE/NJ:  I-495, I-295
PA/NJ:  I-84, I-276, I-76, I-95
TN/AR:  I-55, I-40
MO/IL:  I-270, IL/MO 3 (?--in St. Louis)
MI/OH:  I-75
DE/PA:  I-95, I-495, US 1

Quote from: roadman65 on November 12, 2018, 05:31:00 AM
Typo on I-696.  I think you meant I-676 :bigass:

Thanks. I've also driven I-696, but that's in a different part of the country :)

ME/NH: I-95

NH/VT: state 9 from Chesterfield into Brattleboro...state 119 from Hinsdale into Brattleboro...US 4 from West Lebanon, NH into White River Junction, VT [all on foot]...NH state 12 from Walpole into Bellows Falls [Greyhound]

NH/MA: I-95, I-93, US 3, state 122 from Hollis, NH into Pepperell, MA

VT/MA: I-91 and US 7

MA/RI: I-95, I-295, I-195, state 146...Attleboro into Pawtucket via US 1 on foot, MBTA commuter rail at least three times

RI/CT: I-95, US 6, US 1 and state 101 (once)

MA/CT: I-91, I-84, US 5 and state 8...Amtrak a few times and CT Rail once

MA/NY: I-90

CT/NY: I-84, I-95, I-684, US 6/202, state 15 Amtrak and Metro North. With a family friend once in early 1980s, crossed from Sharon, but don't know which road.

NY/NJ: GW Bridge, Lincoln Tunnel, Holland Tunnel, Amtrak, PATH, I-278, I-287(with state 17?), GSP Connector, Palisades Parkway and NJ state 23 near NY I-84 Exit 1 (crossed that one on foot as well). Also state 184 in August 2016.

NY/PA: I-84

NJ/PA: I-78, I-80, Old I-95 (now I-295), US 1, Amtrak, SEPTA, Betsy Ross, Walt Whitman and Ben Franklin Bridges (walked over BF Bridge into Camden, NJ once)

NJ/DE: Delaware Memorial Bridge (I-295 and US 40)

PA/DE: I-95 and Amtrak

PA/MD: June 2014...just know it was heading NW out of Elkton to eventually Harrisburg (by car)

DE/MD: I-95, Amtrak and state 273

MD/DC: Baltimore/Washington Parkway, Amtrak and METRO (red line to/from Silver Spring)

DC/VA: METRO and Key Bridge (on foot from Rosslyn part of Arlington into Georgetown)

IL/IN: NICTD commuter train from Millennium Park Chicago into Hammond (was in Indiana by maybe 4 blocks?)

I've also been in NC, FL, TN and OH. Those were all with flight, with no state lines crossed. Chicago was by flight to and from Bradley Airport in Windsor Locks, CT before and after local crossing.

NOTE: I've never been in Canada or Mexico.

As a driver, my list is quite limited:
MD/DE: I-95
DE/NJ: I-295/US 40
DE/PA: I-95
PA/NJ: US 322, I-76, I-676/US 30, NJ 90, NJ/PA 73, I-95/I-276 (at the time), I-295 (I-95 at the time)
NJ/NY: I-278, Garden State Parkway
NY/CT: I-95

As a passenger in a car, I can't name all the crossings, but via bus and train I can add the following (not including duplicates of the above):
DC/MD: US 50 (I think)
MD/DE: AMTRAK Northeast Corridor
DE/PA: AMTRAK Northeast Corridor
PA/NJ: PATCO, AMTRAK Northeast Corridor / SEPTA Trenton line
NJ/NY: NJ/NY 495, PATH (both tunnels), NJ Transit Northeast Corridor
NY/CT: Metro North New Haven Line, I-84 (I think)
CT/MA: I-84 (I think)

Curiously, when going somewhere by plane, I haven't ever crossed any state borders once on the ground (which means I've been to far more states than the above suggests)

Living in Michigan and working in Toledo, OH, I've crossed probably all border crossings between Lake Erie and Indiana (including Lost Peninsula).  For Michigan-Indiana, the main ones - IN-120, I-69, I-94.  For Michigan-Wisconsin, US-2, US-8, US 41.  For OH-WV, I-77, US-50, both bridges in between them, US-35, and another local road.

Gave up after doing this much and still would have eons to go.  Had to go by memory or by whatever documentation I had, but still seems impossible to capture every one:

ME/NH   I-95, US 202, US 302 (not sure about ME/NH 16, US 2 or ME/NH 4)
NH/MA   I-95, I-93, MA/NH 63, MA/NH 10, US 202 (not sure about US 3)
NH/VT   NH/VT 9, Cornish/Windsor Covered Bridge, I-89, I-93
VT/MA   I-91, US 7.  (not sure about MA/VT 8 or 8A)
MA/NY   NY/MA 2, NY/MA 43, US 20, I-90, Bash-Bish Falls Trail (I don't think I drove to the state line on NY 344)
MA/CT   I-91, I-84, I-395
MA/RI   MA 146, I-295, I-95, I-195, MA/RI 136 (not sure about MA/RI 24)
VT/NY   NY 7/VT 9, VT 279, US 4, US 2
CT/NY   State Line Rd, US 44, I-84, CT 15/Hutchinson River Pkwy, I-95
NY/PA   I-84, US 209, Roebling's Delaware Aqueduct, I-81, NY 79/PA 92, NY 17/I-86, I-99/US 15, US 219, I-90, I-86 (probably others)
NY/NJ   NY/NJ 23, I-287/NY/NJ 17, Garden State Pkwy, Palisades Interstate Pkwy, I-95/US 1/US 9/US 46, NJ/NY 495, I-78, I-278, Outerbridge Crossing (not sure about Bayonne)
NJ/PA   US 206, I-80, US 22, I-78, Former I-95 (haven't crossed it as I-295 yet), US 1, Pennsylvania Turnpike (now I-95, haven't crossed it as I-95 yet), I-676, I-76, US 322
PA/OH   I-90, PA 285/OH 85, I-80, I-76 (probably others)
PA/WV   US 22, I-70, I-79, WV/PA 43 (probably others)
PA/MD   US 219, US 220, I-70, I-81, US 15, I-83, US 1 (probably others)
PA/DE   I-95
NJ/DE   I-295
MD/DC   Clara Barton Pkwy, Wisconsin Ave, Connecticut Ave, Georgia Ave, Rhode Island Ave, US 50, MD 295, Suitland Pkwy, I-295, I-495 (not sure about Carroll Ave)
DE/MD   I-95, US 301, MD/DE 404
MD/WV   I-68, US 220, US 522, I-81 (US 219...not sure)
MD/VA   I-495, US 301, US 13, US 340
DC/VA   I-66, Arlington Memorial Bridge, I-395, I-495
OH/WV   I-70, I-470, I-77, Hi Carpenter Memorial Bridge, New Martinsville Bridge, Moundsville Bridge, Silver Bridge (US 35).  Not sure if I crossed from Huntington or not.
WV/VA   US 340, I-81, US 50, VA/WV 55 (now US 48), US 220, I-64, US 460 (Glen Lyn, Bluefield), US 219

Since your guys have started posting Canadian provinces (which technically are not states), might as well as do European subdivisions. Note that all  crossings involving a French region apart from all Aragon/New Aquitanie crossings were done before the new regions came into existence, list shows current regions.

(I've been to Andalusia, but reached it on a high-speed train :banghead:)
Andorra (as a whole)/Catalonia: CG-1/N-145
Aragon/Catalonia: A-2, A-22, all but the Southernmost of the many crossings on N-230, N-240, N-260, N-420, A-221/C-221, C-1311 (no number in Aragon as it ends at N-230 just after entering)
Aragon/Castile and Leon: A-2, N-122, N-234, A-116/CL-116, A-1503/SO-P-2017
Aragon/Castile La Mancha: A-211/CM-213
Aragon/Occitania: A-138/D173
Aragon/Navarre: A-21, AP-68, N-113 (clips through a corner of Aragon going from Rioja to Navarre near the tripoint of all three) N-121-C, N-232, N-240, A-125/NA-125, A-126/NA-126, A-127/NA-127, A-1201/NA-128, A-2601/NA-5700 (into the exclave of Petilla... de Aragon?), HU-V-2024/NA-2000, CV-481 (through an exclave)
Aragon/New Aquitanie: N-330/N1134, N-330a/N134 (yes, N134 technically still goes up Somport pass), A-136/D934
Aragon/Rioja: N-113 (All crossings!)
Aragon/Valencian Community (herein referred to as "Valencia"): A-23, N-232, N-234
Asturias/Cantabria: A-8 (which used to end there), N-621
Asturias/Castile and Leon: N-630
Asturias/Galicia: A-8, N-640
Basque Country/Cantabria: A-8
Basque Country/Castile and Leon: AP-68 (clips a corner of Castile and Leon when going from Basque Country to Rioja near the tripoint of all three)
Basque Country/Navarre: A-1 (into Guipuscoa changes to N-1), A-15, N-121-A
Basque Country/New Aquitanie: N-1 (I refuse to recognize the "downgrade" to GI-636)/D810
Basque Country/Rioja: local streets near the tripoint with Navarre
Castile and Leon/Castile La Mancha: A-2
Castile and Leon/Galicia: A-52
Castile and Leon/Rioja: AP-68 (see Basque Country/Castile and Leon, above), N-111, N-113 (goes near the tripoint with Aragon... yes, all Riojan tripoints are easily reachable by road!)
Castile La Mancha/Madrid: A-2, A-4, A-42
Catalonia/Occitania: AP-7/A9
Catalonia/Valencia: N-340, T-332/CV-102
Emilia-Romagna/Lombardy: A22
Emilia-Romagna/Tuscany: A1, A15
Emilia-Romagna/Veneto: A13
Liguria/Provence-Alps-Azure Coast: A10/A8
Liguria/Tuscany: A12, A15
Lombardy/Veneto: A22
Murcia/Valencia: AP-7
Navarre/New Aquitanie: N-135/D933, NA-137/D132
Navarre/Rioja: A-12, AP-68, N-113, N-232, LR-288 (interchange with N-113 straddles the regional line), NA-134 (dips into Rioja where it has a chunk of land on the left bank of the Ebro river)
New Aquitanie/Occitania: D817 (including through exclave of Occitania), D937, D940
Occitania/Provence-Alps-Azure Coast: A54

Note: Of all the crossings in and out of Occitania, the ones with Aragon and New Aquitanie were to and from the former region (which I refer to as a "sub-region" of the new region) of Midi-Pyrenees, while the ones with Catalonia and Provence-Alps-Azure Coast were to and from Languedoc-Roussillon. All crossings in and out of New Aquitanie were to and from (old) Aquitanie.

Quote from: CNGL-Leudimin on November 12, 2018, 04:49:41 PM
(herein referred to as "Valencia)

...but formerly known as "Prince". (https://en.wikipedia.org/wiki/Prince_(musician)#1991%E2%80%931994:_The_New_Power_Generation,_Diamonds_and_Pearls,_and_name_change)

More (can't believe I forgot SC and GA):

GA/FL:  I-75, I-95
SC/GA:  US 76, US 123, I-85, I-95, SC/GA 28 (northwest side, not Augusta area)
NC/GA:  US 23/441, US 19/129, NC/GA 28.
NC/TN (a couple of more):  US 129, US 441.

ME/NH: I-95, US 1, US 1 By-pass, US 302, ME/NH 109, ME/NH 25, NH 153
ME/NB (Canada): NB/I-95, NB/US 1
NH/VT: I-89, US 4, NH/VT 9
NH/MA: I-93, I-95, US 1, US 3
VT/MA: I-91
MA/RI: I-95, I-295, MA/RI 146
MA/CT: I-84, I-91, I-395, MA/CT 159
CT/RI: I-95, US 6, CT/RI 78
NY/VT: US 4, NY 7/VT 9, NY 185/VT 17
NY/MA: I-90, US 20
NY/CT: I-84, I-95, I-684, US 6/202, CT 15/Hutchinson River Parkway
NY/NJ: I-95/US 1/US 9, I-287, US 9W, Palisades Parkway, Garden State Parkway
NY/PA: I-81, I-84, I-86 (Waverly), NY 26/PA 267
NY/QC (Canada): I-87/A-15
NY/ON (Canada): I-81/ON 137, Peace Bridge, Rainbow Bridge
DE/NJ: I-295, US 9
PA/NJ: every Delaware River crossing south of Frenchtown in addition to I-78
PA/DE: I-95, US 13, US 202, PA/DE 491, PA/DE 261, PA/DE 100, PA/DE 52, PA/DE 82, PA/DE 41, DE 7
PA/MD: I-95, US 1, US 15, US 222, PA/MD 272, PA 472/MD 213
PA/WV: I-70, US 22, PA 331/WV 67
PA/OH: I-76
MD/DE: I-95, US 40, US 113, US 301, MD 330, DE 6/MD 291, DE/MD 300, DE 10/MD 287, DE/MD 404, DE 1/MD 528
MD/DC: I-95/I-495 (Woodrow Wilson Bridge), I-295, US 1, DC 295/BW Parkway, MD 390
MD/VA: I-95/I-495, US 15, US 301
MD/WV: I-68, US 50
WV/VA: I-81, US 50, US 340
WV/OH: I-70, US 22, US 40
VA/NC, NC/SC, SC/GA, and GA/FL: I-95
OH/IN: I-70, I-80/90
IN/IL: I-70, I-80/90
IL/MO: I-55/I-64
IL/IA, IA/NE, and NE/WY: I-80
MO/KS: US 166/400
KS/OK: US 69 Alternate
OK/TX and TX/NM: I-40
NM/AZ: US 64, US 160
NM/CO: US 160
CO/UT: I-70, C-41/U-162
CO/WY: I-25
NV/UT: I-80
AZ/UT: US 163
AZ/NV: US 93
CA/NV: I-15, US 50, US 395
QC/ON (Canada): A-40/ON 417

Sorted by the first state of each crossing in alphabetical order.

AL/FL US29, AL-41, I-10, AL-182, US98
AL/MS I-10
AL/TN I-65
AZ/NM US160, I-40
AZ/NV I-15, US93
AZ/UT AZ-389, US89A, I-15, US163
AR/TX I-30
AR/MO I-55
CA/OR I-5 US101 US199
CA/NV NV-28 US50
CO/UT I-70 CO-41
CA/NM US160
CO/NE I-76
CT/NY Train at Port Chester, I-684, I-84
CT/RI I-95
DE/PA Train at Marcus Hook
FL/GA I-75
GA/TN I-75
ID/WA I-90
ID/OR I-84
ID/UT US91, I-15
ID/WY WY-22
ID/MT I-90, US20
IL/WI IL-35, WI-80, IL-26, IL-75, I-39, IL-76, IL-47, US12, I-94, WI-32
IL/IN I-90, I-94, US30, Exchange St, IN-2, IN-10, IN-14 (W 100N Rd), US24, IL-9, IL-119, I-74, US150, IN-441,
IL/KY KY-56, I-24, US60
IL/MO I-57, IL-146, IL-150, I-55, I-70, I-72
IL/IA US34, US20, IA-92, I-280, I-80, Rock Island Arsenal Bridge, I-74, US30, IL-136, US52
IN/KY I-65 I-275
IN/OH I-275, US50, I-74, I-70, OH-571, IN-67, OH-500, I-90, Hollansburg Road near Middleboro, IN
IN/MI IN-933, US131, US12, I-94
IA/MN I-35
IA/WI US151, WI-82
IA/NE I-80 I-480
IA/MO US136, MO-27, MO-81
KS/MO US36, I-635, I-70, KS-66, US400
KS/NE US73
LA/MS I-10
LA/TX I-10
ME/NH I-95, US302
MA/RI I-95
MI/WI US41, County Z, US8, US141 (at Tyran), MI-64
MN/WI I-90, I-94
MN/ND I-94
MN/SD I-90
MO/OK I-44
MO/NE US159
MT/WY I-90, US191
MT/ND I-94
NE/WY I-80
NH/VT I-93
NJ/PA I-80
NJ/NY I-287
NM/TX I-40
NY/PA I-86, I-90, PA-199
NY/VT NY-185, Charlotte-Essex Ferry
NC/TN I-40
NC/SC I-77
OH/WV WV-527, US35
OH/PA I-80, I-90
OR/WA I-5, US730, WA-433, Hood River Bridge, Bridge of the Gods
OK/TX I-40
SD/WY I-90

Quote from: paulthemapguy on November 14, 2018, 11:27:31 AM
KS/NE US73

That's an odd one to have as your only KS/NE crossing.

Quote from: kphoger on November 14, 2018, 01:27:16 PM

Quote from: paulthemapguy on November 14, 2018, 11:27:31 AM
KS/NE US73

That's an odd one to have as your only KS/NE crossing.

That combined with the "MO/NE US159" suggests a "let's just grab this state real quick" trip. That was also the reasoning behind my PA/WV I-79 crossing; my family hadn't yet been to the Keystone State at the time and we were already in the Morgantown area, so we (with me as a 7-year-old passenger) just hopped on I-79 and turned around at the first PA exit.

I stayed in St. Joseph, MO and did a quick loop to add NE-8, US 73, and US 159 to my route sign collection.  This was the trip in May 2014 that kicked off my quest to photograph every US and Interstate highway, plus 3 state highways from each state.  The main goal was to snag the little US routes 73 and 159.

SM-G930P

I'd never be able to come up with all of them. I'll take a shot at California and Texas:

CA/OR: US101, US199, I-5, US97, US395
CA/NV: US395 (both), I-80, CA/NV 28, US50, CA/NV 88, US6, CA/NV 266, CA178/NV372, I-15, Nipton Rd./NV164, US95
CA/AZ: I-40, CA62/AZ95 spur, I-10, I-8
CA/MX: I-5, CA905

==

TX/NM: I-10, US62 (both), US82, US380, NM/TX 114, US60, US84, I-40, US54, US87, US60, I-40,
TX/OK: US287, US54, US70/183, I-44, US81, I-35, US377, US69/75, TX/OK 78, TX/OK 91, US271, TX/OK 37, TX8/OK41,
TX/AR: I-49 (US71 southbound is in Texas where I-49 meets it north of Texarkana), I-30, US82,
TX/LA: TX49/LA2, US80, I20, US79, US84, TX63/LA8, I-10

AZ/NM I-10
IL/IN I-90, US 12/20/41, I-80/94, IL 17/IN 2, I-74, I-70
IL/KY I-24
IL/MO I-55/64/70 (when I-70 went that way), Old Chain of Rocks Bridge (on foot), I-270, US 67, US 24 (WB only)
IL/IA US 136, US 34, IL/IA 92, I-280, US 67, I-74, I-80, US 30, IL/IA 64 (the original bridge), US 20
IL/WI IL 2/WI 213, US 51, I-39/90, IL 75/WI 67, IL 76/WI 140, US 14, IL 47/WI 120, I-94, also one county road crossing east of Beloit
IN/MI IN 933/MI 51
IN/OH IN 28/OH 47
IN/KY US 41
IA/MO US 136, IA/MO 81, US 65, I-35, US 169, US 71, US 59, US 275, I-29, Both crossings of MO supplemental route V near Hamburg, IA
IA/NE IA/NE 2, Old US 34, US 34, Old IA/NE 370, US 275/IA/NE 92, I-80, I-480/US 6, Both ends of IA 165 plus all non-state highway crossings into Carter Lake, IA, I-680, US 30, IA 175/NE 51, I-129/US 20/75, US 77
IA/SD I-29, IA 3/SD 50, The IA/SD/MN tripoint
IA/MN US 75, Old IA/MN 91, IA/MN 60, IA/MN 86, IA/MN 4, IA/MN 15, US 169, MN 22, US 69, I-35, US 65, MN 105, US 218, US 63, IA/MN 139, multiple county road crossings
IA/WI IA 9/WI 82, US 18, US 61/151
KS/NE US 77, K-/NE 99, K-63/NE 50, US 75, US 73/159, K-7, 2 Indian reservation roads between US 73 and K-7
KS/MO US 36, US 59, K-/MO 92, I-435, I-635, US 69, I-70, I-670, I-35, US 56, I-435
KY/TN Alt. US 41, I-24
MD/DC/VA I-95
MI/OH US 23
MN/WI MN 36/WI 64 (original and current), I-94, US 10, US 63, MN 60/WI 25, MN 43/WI 54, I-90, US 14/61
MN/SD Old US 16, I-90, MN 269/SD 11, MN 30/SD 34
MN/ND US 10
MO/NE US 159 (original and current), US 136, also the road to McKissick Island that connects to MO supplemental route V in the NW corner of MO
MT/ND I-94
MT/WY I-90 (or whatever road was temporary I-90 in 1978, as I seem to believe that one hadn't been built yet)
NE/SD US 81 (original), NE 15/SD 19
NM/TX I-10, NM 213, US 54, US 62/180 (near Carlsbad Caverns)
VA/DC always took the train into DC the year I went there

Not many. For MA/RI, just 95, 295, and 24. I have never done MA/VT.

AL/FL:
AL 182/FL 292
I-10
AL 41/FL 87
AL 137/FL 189
US 231

AL/GA:
I-20
US 78
I-85
I-59

AL/MS:
I-22/US 78

AL/TN:
I-65/US 31

MS/TN:
I-55/I-69
US 78

GA/TN:
I-24

GA/FL:
I-75
US 19
US 319

TN/VA:
I-81

TN/KY:
I-65
I-24

TN/AR:
I-40

AR/MO:
I-55

MO/IL:
I-55/I-64 (Also was I-70 at the time)

IL/KY:
I-24

KY/OH:
I-75/I-71

OH/PA:
I-76

PA/MD:
US 219

MD/WV:
US 220

WV/VA:
US 33

I'm going to do mine a little different and shorten it to interstates. Just way too many US and state routes for me to remember.


I-10: AL/MS, MS/LA, LA/TX
I-20: GA/AL, AL/MS
I-24: GA/TN
I-26: NC/SC
I-30: TX/AR (duh!)
I-40: AR/TN, TN/NC
I-55: TN/MS, MS/LA
I-59: AL/GA
I-64: VA/WV, WV/KY, KY/IN
I-65: all of them
I-66: DC/VA (another duh!!)
I-68: MD/WV (ditto)
I-69: IN/MI
I-70: MD/PA, PA/WV, WV/OH
I-71: KY/OH
I-75: GA/TN, KY/OH, OH/MI
I-76: NJ/PA, PA/OH
I-77: all of them
I-78: NJ/NY
I-79: WV/PA
I-80: IL/IN, IN/OH
I-81: all of them except PA/NY
I-83: MD/PA
I-84: NY/CT
I-85: all of them
I-90: IL/IN, IN/OH, OH/PA, PA/NY
I-93: MA/NH
I-94: IL/IN
I-95: all of them except NH/ME, GA/FL, the new PA/NJ

I-278: NJ/NY
I-295: DC/MD, DE/NJ
I-395: DC/VA
I-495: VA/MD, VA/DC/MD  :sombrero:
I-676: PA/NJ

Connecticut/Massachusetts:
US 7
CT/MA 8
US 202
I-91
I-84
CT/MA 198
CT/MA 169
CT/MA 131
CT/MA 197
CT/MA 12
I-395

Connecticut/New York:
I-95
Merritt/Hutch
I-84

Connecticut/Rhode Island:
I-95

Maine/New Hampshire:
US 1
I-95
ME/NH 9
Salmon Falls Rd.
US 202
ME/NH 109
US 302
US 2

Massachusetts/New Hampshire:
MA/NH 63
MA/NH 10
MA/NH 78
Richmond Rd./Whipple Hill Rd.
MA/NH 32
N. Fitzwilliam Rd./Royalston Rd.
MA/NH 12
US 202
MA/NH 119
West Rd./NH 123A
MA/NH 31
Greenville Rd./NH 124
Mason Rd./NH 123
MA/NH 13
US 3
I-93
I-95
US 1
MA/NH 286
MA/NH 1A

Massachusetts/Rhode Island:
MA/RI 146
I-295
I-95
I-195
MA/RI 136
MA/RI 103
MA/RI 24
MA/RI 177
Adamsville Rd.

Massachusetts/Vermont:
US 7
MA/VT 8
Readsboro Rd./Tunnel St.
Potter Hill Rd./Merrifield Rd.
Number 9 Rd./Cyrus Rd.
MA/VT 8A
MA/VT 112
N. Green River Rd./River Rd.
Brattleboro Rd./Weatherhead Hollow Rd.
Keets Brook Rd.
Keets Brook Branch Rd./Bassett Hill Rd.
US 5
I-91
Huckle Hill Rd.
MA/VT 142

New Hampshire/Vermont:
NH/VT 119
NH/VT 9
NH/VT 123
Vilas Bridge (now closed)
Arch Bridge
NH/VT 11
NH/VT 12
Cornish-Windsor Bridge
I-89
US 4
NH/VT 10A
E. Thetford Rd./VT 113
NH/VT 25A
NH/VT 25
US 302
I-93
NH/VT 18
US 2
Town Common Rd./VT 105
Columbia Bridge
NH/VT 26
Gale St./Main St.

New York/Vermont:
NY/VT 346
NY 7/VT 9
VT 279
NY/VT 67
NY/VT 313
Chunks Brook Rd.
CR/VT 153
NY/VT 149
CR 25/VT 31
NY/VT 22A
US 4
NY 185/VT 17
US 2

For MA/NH, I have done route 12, US 3, I-93, and I-95, and I think that's it.

VA/MD: US-13, US-301, I-495, White's Ferry, US-15, US-340

VA/DC: I-95 (Wilson Bridge), I-395/US-1, GW Parkway, VA-27, Memorial Drive, I-66, US-29, Chain Bridge

DC/MD: Not sure if this is complete. I know I can recall I-95 (Wilson Bridge), I-295, South Capitol Street, Suitland Parkway, Pennsylvania Avenue, East Capitol Street, 63 Street NE/MD-704, Sheriff Road, DC-295, US-50, Bladensburg Road (US-1 Alt), Rhode Island Avenue (US-1), Michigan Avenue, Georgia Avenue (US-29), Beach Drive, Connecticut Avenue, Wisconsin Avenue, River Road, Western Avenue (Westmoreland Circle straddles the line), MacArthur Boulevard, and the Clara Barton Parkway.

VA/WV: US-340 (two different locations), VA-/WV-9, I-81, US-522, VA-/WV-127, US-50, US-48 (which is also VA-/WV-55), I-64

VA/TN: I-81

VA/NC: The old VA-/NC-168 (haven't been that way since 1993), US-17, NC-/VA-32, US-13, I-95, I-85, US-15, US-501, VA-/NC-86, US-29, I-77

WV/MD: I-81, US-522, WV-9/MD-51, the Oldtown Toll Bridge, WV-28, US-220, US-50, US-219, I-68

MD/DE: MD-/DE-404, US-301, US-40, I-95

DE/NJ: I-295, Cape May—Lewes Ferry

DE/PA: I-95

MD/PA: Not sure if this is complete. I-83, US-15, MD-140/PA-16, I-81, Blairs Valley Road, I-70, US-220, US-219, US-40

PA/NJ: US-322, I-76, I-676, what is now I-95, US-1, what is now I-295 (was then I-95), I-78, not sure if there is another further north (I remember a trip near Port Jervis but don't remember the route)

NJ/NY: NJ-/NY-440 (Outerbridge), I-278 (old Goethals Bridge), NJ-/NY-440 (Bayonne Bridge), Lincoln Tunnel, I-95 (GW Bridge), Palisades Parkway, Garden State Parkway, not sure about up in the Port Jervis area

PA/NY: Not sure about the Port Jervis area. Aside from that, I-81, US-15 (none of this I-99 nonsense back then), I-90

NY/CT: I-95, Merritt Parkway, I-684, I-84

NY/VT: VT-9/NY-7, US-4

CT/MA: I-84

CT/RI: I-95

RI/MA: I-195, I-95, I-295

MA/NH: I-95

NH/VT: Not sure, somewhere near Hanover or White River Junction in August 1990

NH/ME: I-95, US-302

FL/GA: I-95, I-75

FL/AL: I-10, US-29

GA/SC: US-17, GA-25, I-95, I-20, I-85

SC/NC: US-17, US-301, I-95, US-1, I-77, I-85

NC/TN: US-64

TN/GA: I-24

GA/AL: I-59, I-85, one of the bridges between Phenix City and Columbus when I was in the former and crossed to the latter to buy gas.

AL/MS: I-10

MS/LA: I-10

PA/OH: I-76

WV/PA: I-79, I-70

WV/OH: I-470, I-77, US-50

WV/KY: I-64

OH/MI: US-23

OH/IN: I-70

KY/IN: I-64

IN/IL: I-64, I-70

IL/MO: I-64, I-270

TN/AR: I-40

AR/TX: I-30

NM/AZ: US-64, US-160, also on foot at Four Corners

NM/CO: US-160, also on foot at Four Corners

CO/UT: CO-41/UT-162, also on foot at Four Corners

NM/UT and CO/AZ: On foot at Four Corners

UT/AZ: US-163, also on foot at Four Corners

CO/WY: US-287

"State lines"  include the Canadian and Mexican borders, IMO, though I've only been to Mexico by air:

ME/NB: ME-189/NB-774 (bridge between Lubec and Campobello Island), the bridge between Main Street in Calais and NB-170 in St. Stephen; also ferry crossings from Bar Harbor to Yarmouth and both ways between Portland and Yarmouth

VT/QC: I-91 (the autoroute didn't get that far south at the time)

NY/QC: I-87/autoroute 15

NY/ON: I-81, I believe ON-405/I-190, and the Peace Bridge (the Maid of the Mist boat may cross the border, but we didn't disembark in the US so I don't count it)

MI/ON: I-75 (the International Bridge)

May as well list provincial lines to continue the theme.

NS/NL: Ferry between North Sydney and Port-aux-Basques

NS/NB: Trans-Canada Highway

NB/PEI: The now-defunct ferry between Cape Tormentine and Borden (the bridge didn't exist at the time)

ON/QC: ON-401/autoroute 20, not positive about the bridges in the Ottawa area other than I've crossed at least one, maybe two, but I'm not sure which one(s)

Continuing my list from the Rockies through the Great Plains states:

NM/CO:  US 160, US 550, I-25, NM 551/CO 389.
NM/TX:  I-10, US 54, US 62/180(W), US 60/70/84, I-40, US 54, US 87.
CO/WY:  US 287, I-25.
WY/MT:  US 20/287, US 89, US 212(x3), WY 120/MT 72, US 310, I-25/US 87.
MT/ND:  I-94, US 2.
WY/SD:  I-90/US 14, US 16.
WY/NE:  US 20, US 26, I-80.
CO/NE:  I-76, CO 176/NE 23.
CO/KS:  I-70/US 24, US 40, US 50 (pre-400).
TX/OK:  US 287, US 54, I-40, US 70/183, TX/OK 79, I-35, US 69/75, US 271, US 259.
OK/CO:  US 287.
OK/KS:  US 54, US 183, I-35, US 169.
KS/NE:  US 81, US 73.
NE/SD:  US 385.
SD/ND:  I-29.
TX/LA:  I-10, US 79, I-20/US 80.
TX/AR:  US 67, I-30/US 59, US 71 (just crossing the center line!), TX 8/AR 41.
OK/AR:  OK 87/AR 108, US 70, US 59/270, US 271, I-40.
OK/MO:  I-44.
KS/MO:  KS 57/MO 171, I-435(S)/US 50, US 56, I-35, I-670, I-70, I-635.
NE/IA:  NE/IA 2, US 34, I-80, I-680.
SD/IA:  I-29.
SD/MN: I-90.
ND/MN: I-94, US 2.

That's it for now; will move eastward later.

NH-Maine I have used I-95, NH 25, US 2 and I think US 1.

Quote from: sparker on December 27, 2018, 08:46:26 PM
NM 551/CO 389

This is on my wish list.

For NH/VT, just I-93, I-89 and US 2.

Quote from: kphoger on December 28, 2018, 02:28:37 PM

Quote from: sparker on December 27, 2018, 08:46:26 PM
NM 551/CO 389

This is on my wish list.

Just following the tracks, taking pix of BNSF (it was just BN when I went that way) coal empties heading back to Powder River, WY.   Always liked the original BN green/white/black locomotive color scheme.

For MA/NY, MA/NY 43 and I-90.

Mass.:

into NY: I-90
into NH: US 3 & I-95
into CT: I-84, I-395 & MA/CT 193
into RI: MA/US 1A, MA/RI 96, MA/RI 98, MA/RI 146 & MA/RI 146A
never been to Vermont

For CT/NY, I-95, Merritt Parkway, and I-84.

OH/PA: I-90, US 62, I-80, I-76
OH/WV: US 30, US 22, US 40/250, I-77, US 50, US 33, US 35, SR 527, US 52 
OH/KY: 13th & 12th Street Bridges at Ashland KY, Old and New Ironton/Russell Bridges, KY 10/OH 253, US 23, OH 852, US 68, I-275, I-471, Purple People Bridge, US 27, I-75/71
OH/IN: I-70, OH 571/IN 32, Indiana/Ohio State Line Rd, US 30, US 24, I-80/90
OH/MI: US 23, US 24, I-75, Edgewater Drive (Lost Peninsula)

PA/NY: I-90, I-84
PA/NJ: I-80, Washington Crossing Bridge
PA/DE: I-95
PA/MD: SR 97, I-70
PA/WV: SR 43, I-79, I-70, US 40, US 22, US 30

WV/MD: US 50 (both), US 522, I-81, WV 480/MD 34
WV/VA: US 340, I-81, US 522, US 48, I-64, I-77
WV/KY: WV 37 (Louisa/Fort Gray), I-64

KY/VA: US 23
KY/TN: I-75, US 127, I-65, US 51
KY/IL: US 60/62/51
KY/IN: IN 135/KY 79, I-64, US 31, I-65

IN/IL: I-70, I-74, I-80/94, I-90
IN/MI: I-94, US 31

MI/WI: US 2
WI/MN: I-535, I-94
MN/ND: US 10, I-94
WI/IL: I-90/39, I-94, State Line Rd (Russell Rd)

NY/ON: Peace Bridge, Rainbow Bridge
ON/QC: ON-401/A-20
QC/VT: A-55/I-91
VT/NH: US 2
NH/ME: US 2, I-95
NH/MA: I-95
MA/RI: SR 24
RI/CT: US 1
CT/NY: I-84
NY/NJ: SR 23, SR 440, I-95

MD/VA: US 13,
MD/DE: US 13, SR 404, I-95, 
MD/DC: US 50
VA/DC: I-395, Arlington Memorial Bridge
VA/NC: US 501, I-77
VA/TN: US 11E, I-81, US 23
NC/TN: US 23, I-40, US 441
NC/SC: I-26, I-85, I-77, I-95

GA/TN: I-24 (both), TN 148/GA 189, GA 57/TN 58, I-75
GA/NC: US 23/441
GA/SC: GA 184/Cleveland Pike Rd, US 123, I-85, I-20, US 78, I-95, US 17
GA/FL: I-95, I-75
GA/AL: I-20, AL 117/GA 48, I-59

AL/FL: US 29, FL 292/AL 182
AL/MS: I-10
AL/TN: I-65, US 72
MS/TN: I-55
LA/MS: I-10
LA/TX: I-20
LA/AR: US 71, AR 29/LA 3

MO/IL: I-70/64/55, US 60/62 
MO/TN: I-155
MO/AR: I-55
MO/OK: I-44
MO/KS: I-70

TX/AR: I-30
TX/NM: I-10, US 87
NM/AZ: I-10, US 160
AZ/CA: I-8
CA/NV: I-15
NV/AZ: US 93 (on the dam)
NM/CO: US 160, I-25
TX/OK: I-40

IL/IA: I-80
IA/NE: IA 175/NE 51, US 77
IA/SD: I-29
SD/WY: US 16
WY/MT: US 20
MT/ID: I-90
ID/WA: I-90
WA/OR: US 101
OR/ID: I-84
ID/NV: US 93
NV/UT: I-80
UT/CO: US 40
CO/KS: I-70

WY/ID: US 89
ID/UT: US 89
UT/WY: I-80
WY/CO: I-25

For NY/NJ, I used the GW bridge, I-287, and the Palisades Interstate Parkway

Roughly in the order they were used... though my memory is a little shaky:

NY/ON: Ogdensburg-Prescott Bridge, Seaway International Bridge, Thousand Islands Bridge, Peace Bridge, Queenston-Lewiston Bridge
NY/QC: NY22/QC219
NY/PA: I-90, I-86, US62, I-81
NY/VT: Cumberland Head- Grand Isle Ferry, US2
NY/MA: I-90
NY/NJ: I-287, Lincoln Tunnel, NY303/CR505
MI/ON: Blue Water Bridge, Sombra-Marine City Ferry
MI/OH: I-75
OH/KY: I-75
MI/IN: I-69
IN/KY: I-65
PA/OH: I-90
MA/CT: I-91
CT/RI: CT/RI78
PA/MD: I-81
MD/WV: I-81
WV/VA: I-81
VA/NC: I-77
NC/SC: I-85
SC/GA: I-85
GA/AL: US80, US84
AL/FL: US231, AL95/CR164
GA/FL: GA97/CR269A
VT/NH: VT123/NH123

Quote from: Ian on November 13, 2018, 12:26:48 PM
VA/NC, NC/SC, SC/GA, and GA/FL: I-95

Adding some to the list with my recent drive to Florida...

VA/NC: US 301
SC/GA: US 17
GA/FL: US 17

Michigan to Ohio and back to Michigan using the same highways.

M-52 to OH-109 to OH-120 to turn around back to OH-109 back to M-52, then clinched all of M-52 to Saginaw.

I-80, I-15 and US-50 between California and Nevada

I-11 and US-93 between Arizona and Nevada.

VA/NC: NC 615 (unnumbered on VA side), VA/NC 168, probably US 17, US 301, I-95, NC/VA 46, I-85, US 1, VA 4/NC 1xxx, possibly US 15, US 29, US 220, I-77.

VA/MD: US 301, I-495.

VA/DC: I-395/US 1, I-95/495 (I know), possibly I-66.

VA/WV, WV/MD: I-81

MD/PA: I-81, I-83

NC/SC, SC/GA, GA/FL: I-95

DC/MD: I-95/495, DC/MD 295

NC/TN: I-40, US 441

Quote from: Takumi on January 17, 2019, 02:32:33 PM
VA/NC: NC 605 (unnumbered on VA side)

Wikipedia says that NC 605 only existed in the 1930s. Also, the number makes me think it would be VA SR 605 on the Virginia side.

EDIT: You might have meant 615, but I still wouldn't be surprised if it matches with a Virginia secondary of the same number.

Quote from: 1 on January 17, 2019, 02:35:15 PM

Quote from: Takumi on January 17, 2019, 02:32:33 PM
VA/NC: NC 605 (unnumbered on VA side)

Wikipedia says that NC 605 only existed in the 1930s. Also, the number makes me think it would be VA SR 605 on the Virginia side.

EDIT: You might have meant 615, but I still wouldn't be surprised if it matches with a Virginia secondary of the same number.

Yep. Brain fart. I meant 615. It used to be secondary on the Virginia side but has not been so since the 1960s. Not that that stops Virginia Beach from posting signs anyway.

Unless otherwise noted, I have crossed both ways.

WA/ID: I-90 (to ID), US 12 (to WA)
WA/OR: I-5, I-205, I-82 (to WA)

OR/ID: I-84
OR/CA: I-5

CA/NV: I-80 (to NV), CA/NV 28, US 50 (to NV), US 395 (southern portion), I-15, US 95
CA/AZ: I-40

NV/AZ: NV 163/AZ 95, Hoover Dam (when US 93 crossed the dam--to NV), I-15
NV/UT: US 93 Alt (Wendover Blvd), I-80
NV/ID: US 93 (just to get to the casinos in Jackpot)

ID/UT: I-84

UT/WY: I-80, US 191 (to UT)
UT/CO: US 40 (to CO), I-70, US 491 (when it was 666--to CO), UT 162/CO 41 (to CO)
UT/AZ: US 163 (to UT), US 89A, UT 59/AZ 389 (to UT), I-15

AZ/NM: Four Corners Monument (parked on AZ side), I-40, NM 53/AZ 61 (to AZ)

NM/CO: US 160, US 550, US 285, CO 159/NM 522, I-25
NM/TX: US 87, I-40

CO/OK: US 385
CO/KS:  US 50 (into CO), I-70 (into KS)
CO/WY: US 85, I-25, US 287, WY 789/CO 13 (into CO)

WY/MT: I-90
WY/SD: I-90 (into SD), US 85 (into WY)

KS/MO: I-670
KS/OK: i-35 (into OK), US 270 (into KS)

OK/TX: US 287 (into OK)
OK/AR: I-40 (into AR)

TX/LA: I-20

LA/MS: US 90, I-10, I-20 (into MS)

AR/TN: I-55

TN/MS: US 72

MS/AL: US 72

AL/GA: US 278 (into AL), I-20 (into GA)

VA/DC: GW Pkwy, I-66

VA/WV: VA 9/WV 9 (to WV), i-81 (to VA)

WV/MD: US 11 (to MD), I-81 (to WV)

MD/PA: US 11 (to PA) to PA 163 (on border) to I-81 (back to MD)

MA/NH: MA 1A/NH 1A (into NH), I-95, I-93

NH/ME: US 1 Bypass (into ME), I-95 (into NH)

Colorado
I-25 WY SB
I-70 KS EB
I-76 NE WB
Connecticut
I-84 MA WB
I-95 NY SB
Florida
I-75 GA both
Georgia
I-24 TN both of them in both directions
I-75 FL and TN both
Illinois
IL-35 WI NB
IL-76 WI NB
IL-83 WI NB
IL-131 WI SB
US-12 WI SB
US-20 IA EB
US-45 WI NB
US-51 WI both
I-39/90 WI both
I-55/64 MO both
I-80 IA both
I-80/94 IN both
I-90 IN both
Indiana
CR-17 MI NB
IN-19 MI SB
I-65 KY both
I-70 OH both
I-74 OH both
I-80/90 OH both
I-80/94 IL both
I-90 IL both
I-275 KY and OH both
Iowa
US-20 IL EB
US-151 WI SB
I-35 MO NB
I-80 IL both and NE WB
Kansas
I-70 CO and MO EB
Kentucky
US-23 OH NB
I-64 WV both
I-65 IN and TN both
I-71/75 OH both
I-75 TN both
I-275 IN and KY both
Maryland
I-70 PA WB
I-81 PA and WV SB
I-495 VA NB
Massachusetts
I-84 CT WB
I-90 NY EB
Michigan
fmr M-205 IN SB
M-217 IN NB
I-94 IN both
Minnesota
I-90 SD amd WI WB
I-94 WI both
Missouri
I-35 IA NB
I-44 OK both
I-55/64 IL both
I-70 KS EB
Nebraska
I-76 CO WB
I-80 IA WB
New Jersey
I-80 PA WB
I-278 NY WB
New York
I-90 MA EB and PA both
I-95 CT SB
I-278 NJ WB
North Carolina
US-17 VA NB
US-220 VA SB
US-441 TN both
Ohio
US-23 KY NB
US-52 WV both
I-70 IN both
I-71/75 KY both
I-74 IN both
I-76 PA both
I-77 WV both
I-80 PA EB
I-80/90 IN both
I-90 PA both
Oklahoma
I-35 TX both
I-44 MO both
Oregon
I-5 WA both
Pennsylvania
I-70 MD WB
I-76 OH both
I-80 NJ and OH WB
I-81 MD SB
I-90 NY and OH both
South Dakota
US-18 WY WB
I-90 MN WB
Tennessee
US-441 NC both
I-24 GA both of them both directions
I-65 KY both
I-75 GA and KY both
I-81 VA NB
Texas
I-35 OK both
Virginia
US-17 NC NB
US-220 NC SB
US-460 WV both
I-64 WV both
I-81 MD SB and TN NB
I-495 MD NB
Washington
I-5 OR both
West Virginia
US-52 OH both
US-460 VA both
I-64 KY and VA both
I-77 OH both
I-81 MD and VA SB
Wisconsin
WI-31 IL SB
WI-35 IL NB
WI-83 IL NB
WI-140 IL NB
US-12 IL SB
US-45 IL NB
US-51 IL both
US-151 IA SB
I-39/90 IL both
I-90 MN WB
I-94 IL and MN both

Given this thread has been revived, since I last posted I've added another crossing between Aragon and Navarre, from an unpaved road in Navarre into a paved one (CV-684) in Aragon. I've also crossed a regional line I had not done so before, from Castile la Mancha into the Valencian Community... but again, and like the crossings between Castile la Mancha and Andalusia I did so by high-speed train X-(.

Continuing east to the Mississippi River (and St. Croix R. + extension):

LA/AR: US 71 (I-49 not yet constructed on that trip).
AR/MO: US 71, AR/MO 37, US 63, US 67.
MO/IA: I-29, US 61 (prior to AOS/MSR 27 construction).
SD/IA: I-29.
IA/MN: IA/MN 60.
LA/MS: I-10, I-59, I-20.
AR/TN: I-55, I-40.
MO/IL: US 60/62, I-57, I-255, I-55/64/former 70, McKinley Bridge, I-270, US 67.
IA/IL: US 34, I-280, I-80, US 20. 
MN/WI: US 14/61, I-90, I-94, US 8, I-535/US 53.

Adjoining states in covered areas that I've never traveled directly between (that have ways to cross, of course): AR to MS and IA to WI.

More to come easterly later.

KY/OH: I-71/75, I-471, I-275, US 42/127, Roebling Suspension Bridge, Taylor-Southgate Bridge, Purple People Bridge, US 68, US 62, US 23, KY 10/OH 253, 13th St. Bridge (EB)
KY/IN: I-275, Markland Dam, US 421, I-65, I-64, US 231 (NB), US 41
KY/TN: I-75, US 25E, I-65, US 31W,  US 127, US 231 (NB), US 45/51/Purchase Parkway, I-24, US 79 (NB)
KY/WV: I-64
KY/VA: US 23

VA/NC: NC 615/former VA SSR 615, Blackwater Road, VA 168, US 17, former SSR 604-Desert Rd. (SB), VA 32, US 13, US 258, VA/NC 186, I-95, I-85, US 29, NC/VA 87, US 220, Blue Ridge Parkway (SB)
VA/MD: US 15, I-495, I-95/495, US 301 (SB), US 13
VA/WV: I-64, US 460, I-77/US 52, VA 598 (when it was US 52), US 219, US 522 (NB)

NY/PA: I-90, I-86, US 219, NY 16, US 15/I-99, US 220 (when it did go into NY), NY 34/PA 199, PA 29/NY 7 (NB), I-81, I-84

OH/IN: I-275, I-74, Harrison Ave., Lawrenceburg Rd., US 50, State Line Road, Carolina Trace Rd., OH 126/IN 252, OH 725/IN 44, US 27, OH 177/IN 227, I-70/US 35, US 40, US 33, US 30, US 6 (EB), I-80/90

Starting from the northeast and roughly working my way southwest. I know I'm missing some non-numbered roads within New England. * indicates non-road land crossings.

NS/NB: TCH 2/104
NB/ME: NB 1, 95
ME/QC: 201/173
ME/NH: 1, 1 Bypass, 95, 101, 4, 9, 202, 109, 110, 153 (x2), 25, 302, 113 (x4), 113B (x2), 2, 26, 16, Amtrak*
NH/VT: Beecher Falls/Stewartstown bridge, VT 114, Columbia covered bridge, 105, 2, Mt Orne bridge, 18, 93, 302, 25, 113, 10A, 4, 89, Cornish-Windsor covered bridge, 12, 11, Arch bridge, 123, 9, 119
VT/QC: 91/55, 89/133
NH/MA: 1A, 286, 1, Main St, 95, 150, 107A, Bear Hill Rd, Highland Rd, Hadley Rd, W Hadley Rd, 108, 121A, 125, 121, 97, 28, 93, Cross St, Old Gage Hill Rd, Dutton Rd, 38, Mammoth Rd (128), Long Pond Rd, 3A, DW Hwy, 3, 111, 122, 13, 123, 124, 31, 123A, 119, 202, 12, 32, 78, 10, 63, Amtrak*
VT/MA: 142, 91, 112, 8A, Readsboro Rd/Tunnel St, 8, 7
QC/NY: 11/223, 87/15
VT/NY: 2, 17/185, 74 (ferry), 4, 22A, one of the Hampton/Poultney roads, 31, 149, 153, 313, 67, 279, 7/9, 346
MA/RI: 177, 81, 24, 138, 103, 136, 114A (x2), 6, 195, 44, 152, 15, 1A, 1, 95, 123, 295, 120, 121, 126, 122, 146, 146A, Douglas Pike, 98, 96, 100, Amtrak*, MBTA*
RI/CT: 44, 6, 14, 138, 95, 216, 78, 1, Amtrak*
MA/CT: 193, 395, 12, 197, 31, 131, 169, 198, 84, 19, 32, 83, 186, 220, 192, 5, 91, 159, 75, 187, 168, 202, 189, 8, 183, 7, 7A, 41
MA/NY: 2, 43, 20, 295, 102, 90, 71, 23, 344, Amtrak*
CT/NY: 44, 6/202, 84, 684 (x2), 120A, 15, 1, 95, Metro-North*, Amtrak*
NY/NJ: 440 (x2), 278, 78, 95, 9W, PIP, GSP, 202, 287, 210, Amtrak*, NJT*, PATH*
NY/ON: Lewiston-Queenston Bridge, Peace Bridge
NY/PA: 90, 86, 15, 17 (x2), 84
PA/NJ: 80, 22, 78, Milford Bridge, 202, 295, 1, 95, 676, Amtrak*, SEPTA*
NJ/DE: Delaware Memorial Bridge
PA/DE: 95
PA/MD: 1, 83, 15, 11, 81, 70, 220
PA/OH: 80, 90
PA/WV: 70
MD/WV: 68, 522, 81
MD/DE: 279, 95, 13, 113
MD/VA: 340, 15, 495, 301, 13
MD/DC: 50, 295 (x2), 95/495
DC/VA: 395, 95/495, WMATA*
WV/OH: 70
WV/KY: 64
VA/NC: 615, 168, 17, 32, 13, 258, 186, 95, 85, 15, 501, 86
VA/WV: 340, 81, 522
VA/TN: 81
NC/TN: 40
NC/SC: 95
SC/GA: 95, 17
GA/FL: 95
TN/GA: 24
GA/AL: 59
AL/MS: 20/59
MS/LA: 59
TN/AR: 40
IN/KY: 64
IN/OH: 20, 80/90, 6, 24, 30, 70
MI/ON: Ambassador Bridge, Blue Water Bridge
MI/IN: 94
IL/IN: 90, 80/94, 30, 70, 64
MO/IL: 255, 55/64, 70
IA/IL: 280
WI/IL: 94
WI/MI: 41
IA/NE: 80
KS/MO: 670, 400
KS/OK: 69 Alt
OK/MO: 44
OK/AR: 40
CO/NE: 76
CO/KS: 70
TX/OK: 40
NM/TX: 40

Okay here goes.

Asterisk means I traveled as a passenger.

TX/AR: I-30, Loop 151*, State Line Avenue (Crossed over to get to a Wendy's on the other side of the road)

TX/LA: I-10*

LA/MS: I-10*, I-55*

AR/TN: I-40, Big River Crossing (walked)

TN/MS: I-55*

MS/AL: I-10*

AL/FL: I-10*

I also went to the Carolinas via Georgia when I was little, but not sure what route my family took. My list is sparse because I'm the only one in my family who likes road trips.

Also very odd that the state line I've crossed in the most places is TX/AR.

Updated:

Just going to list my ones for Indiana. I've left/entered Indiana on 90 different roads.

IN/IL (33)
I-90 Indiana Toll Road/Chicago Skyway
US 12/20/45 Indianapolis Blvd
Gostlin St/Brainard Ave
Sibley Blvd
Wildwood Rd/Michigan City Rd
165th St/River Oaks Dr
River Dr/Bernice Rd
I-80/94/US 6
Adelaide Pl/177th St
Ridge Rd
Terrace Dr
45th St/Glenwood-Lansing Rd
US 30
IN 2/IL 17
IN 10/IL 114
US 24/52
IN 18/CR 880N
IN 26/IL 9
IN 28/IL 119
US 136
I-74
IN 32/Perrysville Rd
IN 234/Mill Rd
US 36
IN 163/Clinton Rd
US 150
I-70/US 40
IN 154/Clover St
US 50
IN 441/Old US 50
IN 64/IL 15
I-64
IN 62/IL 141

IN/KY (12) [have completed all of these]:
US 41
IN 161/KY 2262
US 231
IN 237/KY 69
IN 135/KY 79
I-64
US 31
I-65 (both bridges)
IN 265/KY 841
US 421
IN 101/KY 1039
I-275

IN/OH (27)
I-275
US 50
I-74/US 52
IN 242/OH 126/129
US 27
IN 44/OH 725
IN 227/OH 177
I-70
US 40
IN 121/New Paris Rd
US 36
IN 28/OH 571
IN 32/OH 47
IN 26/OH 119
IN 67/OH 29
IN 218/OH 707
IN 124/OH 81
US 33
US 224
US 30
US 24
IN 37/OH 2
IN 8/OH 18
US 6
IN 427/OH 34
I-80/90
US 20

IN/MI (18)
IN 120/Territorial Rd
Fremont Rd
I-69
IN 327/Rierson Rd
IN 9/M-66
US 131
IN 15/M-103
CR 17/M-217
IN 19/Cassopolis Rd
IN 23/M-62
Gumwood Rd
Ironwood Rd
IN 933/M-51
US 31
IN 39/M-239
I-94
US 12
Lake Shore Dr

I've since added other two crossings between Aragon and Navarre: A/NA-137 and A/NA-176. In all I've crossed that regional limit in all but three local roads in the Southern part.

Copying from the other thread, and including all modes:

14 - WA/ID (car only): Southway Bridge, US 12, SR 128/ID 128, US 195, US 195 Spur, SR 270/ID 8, ID 66, SR 272/ID 6, SR 274/ID 60, SR 278/ID 58, I-90, SR 290/ID 53, ID 41, US 2
11 - WA/OR (mostly car): US 101, SR 433, I-5 (car and foot), I-205, Bridge of the Gods (foot), Hood River Bridge/OR 35, US 197, US 97, I-82, US 730, SR 125/OR 11
6 - MD/DC (rail, bike, bus, and foot): WMATA Blue/Silver Line, WMATA Orange Line, WMATA Green/Yellow Line, WMATA Red Line West, WMATA Red Line East, US 1
3 - VA/DC (rail and bike): WMATA Blue/Orange/Silver Line, WMATA Green/Yellow Line, I-66
2 - OR/ID (car only): I-84, US 30
2 - ID/MT (car only): US 2, ID 200/MT 200
2 - NY/CT (bus only): I-684, I-84
1 - MI/OH (car only): I-75
1 - NJ/NY (rail only): PATH
1 - CT/MA (bus only): I-84
1 - VA/MD (bus only): I-495

For Canada:

6 - WA/BC (car, rail, bus, foot) - Point Roberts, Amtrak Cascades, Peace Arch, I-5, SR 543/BC 15, SR 539/BC 13
2 - ON/QC (rail and bus) - VIA Rail, ON 417/QC A-40
1 - MI/ON (car and bus) - Detroit-Windsor Tunnel

There's 2 of these threads? Anyways, copying and pasting whatever I have in the other thread, minus the non-road crossings. Note that it includes Canadian provinces.

BC/WA (I-5/BC 99)
CT/MA (I-84), CT/NY (I-95)
DC/MD (SR 295), DC/VA (I-395)
DE/MD (I-95), DE/NJ (I-295)
FL/GA (I-75)
GA/TN (I-75)
IL/IN (I-64, I-70, I-80/94, I-90), IL/MO (I-55/64, I-70, I-270, MLK Br), IL/WI (I-39/90)
IN/KY (I-64, I-265, I-275), IN/OH (I-70, I-74, I-275)
KS/MO (I-35)
KY/OH (I-71/75, I-275, I-471, Roebling Br), KY/TN (I-65, I-75)
MD/PA (I-70, US 40), MD/VA (I-495, US 15)
MI/OH (I-75), MI/ON (I-69/94/ON 401)
MN/WI (I-94)
NJ/NY (I-78, I-95, I-278, Lincoln Tun), NJ/PA (I-78, I-80)
NY/ON (Rainbow Br), NY/PA (I-90)
NC/SC (I-26, I-77), NC/TN (I-40), NC/VA (I-77)
OH/PA (I-76, I-80, I-90), OH/WV (I-70, I-470, US 22, US 35)
PA/WV (I-70, US 22)

Alright, here goes. This should be a comprehensive list, by state entered and in a clockwise direction:

Alabama
-MS: I-22
-TN: AL 53 (western), TN 377/AL 73
-GA: GA 301/Jackson CR 90, I-59, GA 48/AL 117, GA 337/Cherokee CR 99, US 278, I-20, GA 34/AL 22, US 80, GA 39 Spur/AL 208

Arizona
-NV: I-15
-UT: I-15, UT 59/AZ 389 (?), US 89, US 163
-NM: US 160

Arkansas
-OK: OK 112/Y St, OK 20/AR 43
-MO: MO/AR 43, US 63
-TN: I-40

California
-NV: I-80

Colorado
-UT: US 491, I-70, US 40
-WY: WY 789/CO 13, US 287, I-25
-OK: US 287/385, unnamed road to CO/NM/OK tripoint
-NM: US 84, US 550, US 491

District of Columbia
-VA: I-395/US 1, US 29

Florida
-AL: US 231

Georgia
-AL: US 80, I-85, AL 22/GA 34, I-20, Cherokee CR 99/GA 337, AL 117/GA 48, AL 71/GA 136
-TN: I-24 (west), TN 134/GA 299, I-24 (east), I-75, US 41/76, US 411
-NC: NC 69/GA 17-515, NC 175/GA 75
-SC: I-85, US 29, US 378, I-520, US 17

Idaho
-OR: I-84
-MT: I-15, US 20
-WY: WY 22/ID 33, US 89, WY 89/ID 61
-UT: US 89, US 91, UT 200/State St, UT 61/Franklin CR D1, I-15, I-84, UT 42/Old ID 81

Illinois
-MO: I-70, I-270
-WI: WI 31/IL 131

Indiana
-KY: I-65

Iowa
-NE: I-80
-SD: US 18

Kansas
-CO: I-70
-MO: I-35, 50th St

Kentucky
-IL: I-24
-IN: US 31

Maine
-NH: probably I-95

Maryland
-DC: Wisconsin Ave/MD 355

Massachusetts
-NH: probably I-95

Mississippi
-TN: I-55/69

Missouri
-IA: I-29
-IL: I-55/64
-AR: AR/MO 43
-OK: OK 10/Secondary O
-KS: I-70

Montana
-WY: North Entrance Rd (implied US 89), US 191 (both)
-ID: US 20, I-15

Nebraska
-WY: I-80

Nevada
-UT: UT 30/NV 233, I-80, US 6/50
-AZ: I-15
-CA: I-80

New Hampshire
-ME: probably I-95
-MA: probably I-95

New Mexico
-AZ: US 64
-CO: US 160, US 491, I-25
-OK: Rinker Rd
-TX: US 87, US 70/84

North Carolina
-SC: S-26-33/Fronis Strickland Rd, I-77
-GA: US 19/129, GA 60 Spur/NC 60
-TN: US 64/74

Oklahoma
-CO: unnamed road from CO/NM/OK tripoint
-KS: US 75
-AR: AR 43/OK 20, I-40, US 271
-NM: US 56/64/412, NM 456/OK 325

Oregon
-ID: I-84
-WA: I-82

South Carolina
-GA: I-95, US 1/25/78/278, I-20, US 123, US 76
-NC: NC/SC 51, Hickman Rd/S-26-57

South Dakota
-IA: US 18

Tennessee
-AR: I-55
-KY: I-24
-GA: US 411, I-75, GA 189/TN 148, US 11, I-24 (east), I-24 (west)
-AL: AL 73/TN 377, I-65

Texas
-OK: I-40

Utah
-NV: NV 487/UT 21, BL-80/UT 58, I-80
-ID: Old ID 81/UT 42, I-84, Old Highway 191, I-15, Franklin CR D1/UT 23, State St/UT 200, US 91, US 89
-WY: WY 89/UT 30, I-80, UT 43 (west)
-CO: US 40, I-70, US 491
-AZ: US 163, US 89, AZ 389/UT 59 (?), I-15

Virginia
-DC: I-395/US 1

Washington
-OR: I-82

Wisconsin
-IL: I-41/94

Wyoming
-ID: US 30, US 89 (?), ID 34/WY 239,  Ski Hill Rd
-MT: West Entrance Rd (implied US 20/191/287), US 191 (both), North Entrance Rd (implied US 89)
-CO: CO 125/WY 230, CO 13/WY 789
-UT: US 191, UT/WY 150, I-80, UT 16/WY 89, UT 30/WY 89

Only using state highway level and above, otherwise KC alone would add another 80-100.  232 total.

AL-FL   I-10   US231                           
AL-GA   I-20   I-59   US280                       
AL-MS   I-10   I-20/59 I-22   US45                       
AL-TN   I-65                                                               
AZ-NV   I-15   US93                           
AZ-NM   I-10   I-40   US160                       
AZ-UT   I-15   US89A  AZ389/UT59
AR-LA   I-49                     
AR-MO   I-55   US63  US71                       
AR-TN   I-40   I-55   
AR-TX   I-30                     
CA-NV   I-15   I-80                           
CO-KS   I-70   US36  US40  CO96/KS96                     
CO-NE   I-76   US6   US34  US138  US385   CO11/NE27  CO23/NE23  CO113/NE19         
CO-NM   I-25   US84  US160 US285 US550 CO159/NM522 CO140/NM140 CO172/NM511 CO389/NM551                     
CO-OK   US287/385                             
CO-UT   I-70   US40  US491 CO90/UT46  CO318/Brown's Park Road                       
CO-WY   I-25   US85 US287  CO13/WY789    CO125/WY230   CO127/WY230 WY70 WY70
CT-MA       I-91
CT-NY   I-84                             
CT-RI   I-95                             
DE-MD   I-95   US113 DE16/MD16                           
DE-NJ   I-295
DE-PA       I-95                             
DC-MD   I-295  I-95/495    DC295/MD295                       
DC-VA   I-66   I-95/495  I-395                       
FL-GA   I-75   I-95                           
GA-SC   I-95                             
GA-TN   I-24   I-24   I-75                       
ID-MT   I-15   I-90   US93  ID200/MT200                     
ID-OR   I-84                             
ID-UT   I-15   I-84   US91                       
ID-WA   I-90                             
ID-WY   US30  ID16/WY89   ID30/WY89  ID33/WY22                         
IL-IN         I-64  I-70   I-74   I-80/94 I-90                 
IL-IA         I-74 I-80 I-280                             
IL-KY   I-24                             
IL-MO   I-55/64  I-57  I-70  I-72  I-255  I-270               
IL-WI   I-39/90  I-41/94                           
IN-KY   I-64   I-65   US41                       
IN-MI   I-94                             
IN-OH   I-70   I-74 I-80/I-90                           
IA-MN   I-35   US52                           
IA-MO   I-29   I-35                           
IA-NE   I-80   I-680                           
IA-SD   I-129                             
KS-MO   I-35   I-70   I-435  I-435  I-635  I-670  US36    US56  US59  US69  KS92/MO92
KS-NE   US73/159   KS7/703 Trail                           
KS-OK   I-35   US169                           
KY-OH   I-71/75                             
KY-TN   I-24   I-65   I-75                       
KY-WV   I-64                             
LA-MS   I-10   I-20   I-55   I-59                     
LA-TX   I-20                             
ME-NH   I-95 US302                           
MD-PA   I-70 I-83                             
MD-VA   I-495  I-495 US13
MD-WV   I-68 I-81                     
MA-NH   I-93   I-95
MA-NY       I-90                           
MA-RI   I-95     
MA-VT       I-91                       
MN-ND   I-94   I-94BL                           
MN-SD   I-90                             
MN-WI   I-90   I-94   I-535  US10  US63  MN36/WI64   MN60/WI25           
MS-TN   I-55   US78                           
MO-NE   US159                             
MO-OK   I-44                             
MO-TN   I-155                             
MT-ND   I-94                             
MT-WY   I-90   US212                           
NE-WY   I-80   US30 WY151/NE88 WY216/State Line Road               
NV-UT   I-80                             
NH-VT   I-89 I-93 US2 NH9/VT9 NH10A/VT10A                             
NJ-NY   I-78   I-95 I-287                           
NJ-PA   I-76 I-78   I-80   I-95 I-295   I-676                     
NM-OK   US56/64/412                             
NM-TX   I-10   I-40   US60/70/84  I-40BL
NY-PA        I-81                                                   
NC-SC   I-26   I-77   I-95   US1                     
NC-TN   I-26                             
NC-VA   I-77   I-85 I-95                           
ND-SD   I-29   
OH-PA   I-76                       
OH-WV   I-70                             
OK-TX   I-35   I-40   I-44                       
OR-WA   I-5  I-82  I-205  US730                     
PA-WV   I-70 I-79                             
SD-WY   I-90                             
UT-WY   I-80                             
VA-WV   I-77     

Chris

I'll limit this just to crossing on a bicycle (expanding this would make a fine bucket list)

CT-MA: US 5. About a 65-mile trip when I was a teenager. Crossing the state line was definitely the objective.

CA-NV: SR 28. This was a group ride all the way around Lake Tahoe, clockwise (89/28/50). Beautiful ride.

OH/IN: I-275, US 50, various streets in Harrison/West Harrison, I-74, OH 126/IN 252, US 27, various streets between Harrison and College Corner, I-70

OH/KY: all greater Cincinnati bridges, US 62 Bus (Maysville, KY), OH 852, US 23

OH/WV: US 52

OH/PA: I-90, I-80

KY/IN: I-275, I-64

PA/NY: I-90

PA/NJ: I-80

NJ/NY: I-287, Lincoln Tunnel

KY/TN: I-75

TN/GA: I-75

GA/FL: I-75, I-95

GA/SC: I-95

TN/NC: I-40, I-81, US 441

NC/SC: I-26, I-77, I-95, US 17, 905, 179

NC/VA: I-77

VA/WV: I-77

VA/KY: I-64

IN/IL: I-80/94, I-90

IL/WI: I-94

I live near the Carolina border and cross it all the time. Many crossings are on roads with no highway numbers. As for numbered routes:

US-17
I-77/US-21
US-321
US-521
US-601
NC-49/SC-49
NC-51/SC-51
NC-75/SC-75
NC-160/SC160
NC-161/SC-161
NC-179/SC-179
NC-274/SC-274
NC-279 (No matching SC continuation)

NC/Tennessee:
US-19E

SC/Georgia and Georgia/Florida:
I-95 (Passenger)

Quote from: Mark68 on January 17, 2019, 07:25:19 PM
Unless otherwise noted, I have crossed both ways.

WA/ID: I-90, US 12 (to WA)
WA/OR: I-5, I-205, I-82 (to WA)


OR/ID: I-84
OR/CA: I-5

CA/NV: I-80 (to NV), CA/NV 28, US 50 (to NV), US 395 (southern portion), I-15, US 95
CA/AZ: I-40

NV/AZ: NV 163/AZ 95, Hoover Dam (when US 93 crossed the dam--to NV), I-15
NV/UT: US 93 Alt (Wendover Blvd), I-80
NV/ID: US 93 (just to get to the casinos in Jackpot)

ID/UT: I-84

UT/WY: I-80, US 191 (to UT)
UT/CO: US 40 (to CO), I-70, US 491 (when it was 666--to CO), UT 162/CO 41 (to CO)
UT/AZ: US 163, US 89A, UT 59/AZ 389 (to UT), I-15

AZ/NM: Four Corners Monument (parked on AZ side), I-40, NM 53/AZ 61 (to AZ)

NM/CO: US 160, US 550, US 285, CO 159/NM 522, I-25
NM/TX: US 87, I-40

CO/OK: US 385
CO/KS:  US 50 (into CO), I-70 (into KS)
CO/WY: US 85, I-25, US 287, WY 789/CO 13 (into CO)

WY/MT: I-90
WY/SD: I-90 (into SD), US 85 (into WY)

KS/MO: I-670
KS/OK: i-35 (into OK), US 270 (into KS)

OK/TX: US 287 (into OK)
OK/AR: I-40 (into AR)

TX/LA: I-20

LA/MS: US 90, I-10, I-20 (into MS)

AR/TN: I-55

TN/MS: US 72

MS/AL: US 72

AL/GA: US 278 (into AL), I-20 (into GA)

VA/DC: GW Pkwy, I-66

VA/WV: VA 9/WV 9 (to WV), i-81 (to VA)

WV/MD: US 11 (to MD), I-81 (to WV)

MD/PA: US 11 (to PA) to PA 163 (on border) to I-81 (back to MD)

MA/NH: MA 1A/NH 1A (into NH), I-95, I-93

NH/ME: US 1 Bypass (into ME), I-95 (into NH)

Adding:

NV/AZ: US 93/I-11 (O'Callaghan/Tillman Bridge--to NV)

Quote from: RoadRebel on October 20, 2021, 03:48:29 AM
I live near the Carolina border and cross it all the time. Many crossings are on roads with no highway numbers. As for numbered routes:

US-17
I-77/US-21
US-321
US-521
US-601
NC-49/SC-49
NC-51/SC-51
NC-75/SC-75
NC-160/SC160
NC-161/SC-161
NC-179/SC-179
NC-274/SC-274
NC-279 (No matching SC continuation)

NC/Tennessee:
US-19E

SC/Georgia and Georgia/Florida:
I-95 (Passenger)

Recent Additions:

NC/Tennessee:
US-321

NC/SC
NC-207/SC-207
NC-522/SC-522

Comprehensive list as of 7 March 2022 (marked with *)

ME/NB, CAN
I-95/NB 95

ME/NH
US Route 1 Bypass (Both new and old Sarah Long Bridge, driven and biked across)
US Route 1 (New Memorial Bridge, driven and biked across)
I-95 (Piscataqua River Bridge)
ME Route 103
ME / NH Route 4
ME / NH Route 9
Rochester St (Berwick ME) / Salmon Falls Rd (Somersworth NH)
US Route 202
Water St (Milton Mills NH) / Foxes Ridge Rd (Acton ME) (entering ME)
Church St (Milton Mills NH) / Milton Mills Rd (Acton ME) (entering NH)
ME / NH Route 109
ME / NH Route 110 (entering NH)
ME / NH Route 25 (entering ME)
US Route 302
US Route 2 (entering NH)

NH/MA
US Route 1 (entering MA)
I-95
NH / MA Route 125
NH / MA Route 28
I-93
Middlesex Rd (Tyngsborough MA) / D W Highway (Nashua NH)
US Route 3 / Everett Turnpike (Nashua NH)

NH/VT
I-89
I-93 (entering NH)
US 2

MA/RI
I-95
I-195 (entering RI)

MA/CT
I-395
I-84
I-91 (entering CT)
CT / MA Route 159 (entering CT, bus took a wrong turn on a HS field trip)
CT / MA Route 75

MA/NY
I-90 (Mass. Pike / NY State Thruway Berkshire Connector)

RI/CT
I-95 (entering RI)

CT/NY
I-84*
I-95
I-684*
CT Route 15 (Merritt Pkwy) / Hutchinson River Pkwy (entering NY)
Bridgeport - Fort Jefferson Ferry (some trips from UMaine to Stony Brook NY)

NY/NJ
I-287 (entering NJ)
George Washington Bridge (I-95, US Route 1-9 and 46)
Lincoln Tunnel (NJ / NY Route 495) (entering NY)
I-78 (Holland Tunnel)
Garden State Parkway (NJ Route 444/NY Thruway Connector)*

NJ/PA
I-78 (Delaware River Bridge)

VA/DC
I-395 via the 14th ST and Rochambeau Bridge*
WMATA Yellow Line from Arlington VA

DC/MD
Pennsylvania Ave (MD Route 4 on the MD side)*
Baltimore-Washington Pkwy into DC*

NC/VA
I-77 (entering VA) (New 2021-11-08)

every time I have crossed a state line has been on an interstate except for:
ky-in us 31*
ky-oh us 42/127/25*
tn-al tn 7/al 53
al-ms-tn us 78 (at the time proto I 22)
sd-wy-mt us 212
va-md us 13*
md-de us 113*
in-il us 30
in-oh us 36

it's not like I don't like the scenic routes, it's just that I much rather prefer no detours and to stay on the main road. in fact if I planned the route I stick to the interstate, if I'm going off the interstate usually it's because I'm not the one driving or there's something off the road I wanted to see.  that 5 of these crossings happened when I was a passenger speaks to this.

Quote from: ctkatz on November 09, 2021, 11:06:08 AM
every time I have crossed a state line has been on an interstate except for:
...
tn-al us 31
...

That's also I-65, unless this was so long ago that I-65 didn't exist there yet...

^^in my defense, the road was called old us 31 and tracing old routes of us highways that's what I remembered it as since I don't remember seeing any reassurance signs on either side of the state line. that was at least 25 years ago so both tennessee and alabama could have put signs up since then.  I fixed that although us 31 still applies (correctly noted as part of I 65).

With the MBB season over... updating to add more crossings based off this list (https://www.aaroads.com/forum/index.php?topic=23906.msg2678668#msg2678668):

CT/NY
I-684
I-84

NY/NJ
Garden State Parkway (NJ Route 444/Connector)

VA/DC
I-395 via the 14th ST and Rochambeau Bridge

DC/MD
Pennsylvania Ave (MD Route 4 on the MD side)
Baltimore-Washington Pkwy

I thought I had done this before but I can't find it so....I will work on this more.

IL/IN
I-74, I-80/I-94, I-90

IL/IA
I-80, I-280
US 20, US 30, US 34, US 52

IL/KY
I-24
US 51
IL 1/KY 91 (via Ferry)

IL/MO
I-55/I-64/US 40, I-70, I-72/US 36, I-270, I-255/US 50

IL/WI
I-39/I-90, I-41/I-94/US 41
US 12, US 14, US 45, US 51
IL 76/WI 140, IL 83/WI 83