Rank Your States Border Crossings in order of volume of travel crossed

Started by Roadgeekteen, December 22, 2024, 02:51:07 AM

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vdeane

I got curious about Québec and thought I'd do another analysis on par with NY, only to run into the issue where good traffic data isn't available for two of its borders.  However, estimating a ranking isn't hard.  The top border is Ontario by far; I didn't even bother adding everything up as A-5 alone exceeds the all non-Ontario border crossings combined.  We already have the number for NY from when I did NY's borders, and surprisingly, that's second place!  Third and fourth are filled out by Vermont and New Brunswick; going by the numbers I could get, New Brunswick is third at 7,400 and Vermont is fourth at 6,550, however many of the VT border crossings have missing data.  It likely wouldn't put VT above NB, but you never know.  After this is where things get tricky; there is no good data for Newfoundland and Labrador at all, however adding up an old count for the ferry to NL 430 and a count on QC 389 south of Fermont, that border is somewhere around 2,700, meaning that it is likely at 5th (there is no data for QC 138/NL 510 at all).  That would place Maine at sixth with 980.  The number I was able to estimate for Prince Edward Island from a ferry report is 297, which would make it seventh.  New Hampshire is eighth at 110, and Nunavut is, of course, ninth at 0.
Please note: All comments here represent my own personal opinion and do not reflect the official position of NYSDOT or its affiliates.


pianocello

Skimming the IowaDOT traffic map, it seems pretty clear-cut.

  • Illinois
  • Nebraska
  • Missouri
  • Minnesota
  • South Dakota
  • Wisconsin

I thought Nebraska would be a lot closer to Illinois, but the Quad Cities has a lot of travel across the river, I guess more so than the Omaha area.
Davenport, IA -> Valparaiso, IN -> Ames, IA -> Orlando, FL -> Gainesville, FL -> Evansville, IN

doorknob60

I have a pretty good guess for Idaho, but I'll try to run the numbers. Only doing state highways, and I'm just manually doing scrolling through the AADT map so hopefully I don't miss anything important.

Washington
I-90: 64,000
US-12: 21,000
ID-8: 17,000
US-2: 11,500
ID-53: 10,500
I'm going to stop counting here, since WA is by far and away the highest here (I-90 alone is almost enough for first place), and there's a lot of smaller highways, no need for me to count them all.
Total: 124,000+

Oregon
I-84: 26,000
US-30: 24,500
US-20/26: 5,300
ID-52: 5,100
US-95: 2,400
US-95 Alt: 2,100
ID-19: 780
Total: 66,180

Utah
I-15: 13,000
I-84: 11,000
US-91: 8,800
US-89: 1,200
Total: 34,000

Montana
I-90: 9,300
US-20: 5,000
I-15: 3,500
US-2: 1,500
ID-87: 1,500
ID-200: 1,300
US-93: 670
US-12: 610
ID-29: 100
Total: 23,480

Wyoming
ID-33: 7,500
US-26: 3,100
US-81: 1,200
US-30: 1,200
ID-61: 900
ID-34: 710
Total: 14,610

Nevada
US-93: 4,300
ID-51: 1,700
Total: 6,000

British Columbia
US-95: 1,100
ID-1: 400
Total: 1,500


That was exactly the order I would have predicted. They're all sensible. WA has a lot of commute traffic between Spokane/CDA, Moscow/Pullman, and Lewiston/Clarkston. OR has some commute traffic around Ontario/Fruitland/Payette (see the high numbers for US-30, essentially a city street), plus thru traffic on I-84. Utah has a higher interstate draw towards SLC but not much commute traffic. Montana is more remote but still has 2 interstates. Wyoming has Teton Valley to Jackson traffic but not much else. And Nevada and BC are just very remote, non-Interstate highway crossings.

EDIT: I missed a few in Wyoming the first time around. I think I misinterpreted a county line on the AADT map as the ID/UT border...oops. Fixed it now, though it doesn't affect its ranking.

jzn110

Michigan has a map based tool to view traffic numbers: https://mdot.public.ms2soft.com/tcds/tsearch.asp?loc=Mdot&mod=TCDS

* indicates 2023 data.


CrossingState  CountyTotalInbound  Outbound
I-75*OHMonroe57934  2932128613
US-23OHMonroe480662385324211
I-94INBerrien320941443117663
I-69INBranch231951169711776
US-41WIMenominee207401040510335
Ambassador Br*ONWayne20628N/AN/A
US-31INBerrien206171016410453
M-51*INBerrien1474474047340
Windsor Tunnel*  ONWayne1190559915914
M-66*INSt Joseph1145157915659
I-69 / BWBONSt. Clair1036254732473
M-62*INCass999450104984
US-24*OHMonroe959152314360
US-131*INSt Joseph936846134754
US-12INBerrien878845194269
US-141*WIDickinson678335153268
US-2*WIDickinson625131233129
BUS US-2WIGogebic576129412820
M-103INSt Joseph499424912503
M-217INCass485424042450
M-125*OHMonroe4840N/AN/A
M-239*INBerrien459822842314
US-2 (2015)WIGogebic4545N/AN/A
ALT US-24*OHMonroe384519501895
US-2*WIIron291314731440
M-52OHLenawee287614451456
I-75 / Int'l BrONChippewa286515131352
US-45*WIGogebic265913411317
US-127*OHHillsdale/Lenawee  262012941327
US-8*WIDickinson223010491182
M-99*OHHillsdale214710891059
M-156*OHLenawee1609N/AN/A
M-189*WIIron1500754746
M-49*OHHillsdale1299661635
M-73*WIIron468241228
M-64*WIGogebic290141149

Total by State/Province:

Indiana: 144,697
Ohio: 134,827
Wisconsin: 54,140
Ontario: 45,760

The maritime borders with Minnesota and Illinois do not have any direct ferry connections or the like.

mgk920

This list does not include non-numbered roads.  For example, there are two non-numbered city street bridge crossings over the Menominee River between Menominee,MI and Marinette, WI.

Mike

JayhawkCO

Quote from: mgk920 on January 02, 2025, 11:06:31 AMThis list does not include non-numbered roads.  For example, there are two non-numbered city street bridge crossings over the Menominee River between Menominee,MI and Marinette, WI.

Mike

And this is why, for some states, this exercise doesn't make a lot of sense to perform. Kansas and Missouri quickly come to mind.

jzn110

Quote from: mgk920 on January 02, 2025, 11:06:31 AMThis list does not include non-numbered roads.  For example, there are two non-numbered city street bridge crossings over the Menominee River between Menominee,MI and Marinette, WI.

Mike

Correct. I included only MDOT-maintained crossings for the purpose of this discussion, otherwise the list would have easily been twice as long.

PNWRoadgeek

For Oregon I would say:

1.Washington, because of its proximity to the Portland metro area.
2.California, lots of tourism going back and forth between the two states.
3.Idaho, really the only border crossing between Oregon and Idaho that gets a lot of traction is I-84.
4.Nevada, not many people going from Oregon to Nevada and vice versa.
Applying for new Grand Alan.

JayhawkCO

Just did Wyoming, and it's closer than I thought. Note that I did include every single crossing, including those where no one is likely to (or can) exit the route before re-entering the state. I also used the numbers for the implied routes in Yellowstone.

HighwayStateAADT
I-25CO21955
I-80UT17817
WYO22ID10019
I-80NE8776
I-90SD6002
WYO89UT5926
US20MT5785
US287CO5566
US89MT4964
US30NE4044
US26NE3933
US85CO3265
US212MT3263
US26ID2663
US191MT2605
US191MT2605
US191MT2605
US212SD2333
WYO120MT2016
US16SD1881
US87MT1717
US310MT1619
US18SD1434
US212MT1270
WYO89UT1253
WYO789CO1193
US89ID1186
WYO239ID1156
WYO89ID1112
US30ID1103
WYO151NE1029
US212MT989
WYO530UT988
WYO230CO958
WYO34SD914
WYO338MT913
WYO414UT888
WYO150UT833
US191UT731
US212MT668
US85SD615
US20NE555
WYO59MT543
WYO92NE520
WYO345MT500
WYO230CO478
WYO112MT398
WYO37MT330
WYO216NE314
WYO430CO243
WYO10CO238
WYO158NE166
WYO70CO86
WYO70CO86

CO: 34,068
MT: 32,790
UT: 28,436
NE: 19,337
ID: 17,239
SD: 13,179

froggie

Quote from: webny99 on December 25, 2024, 02:02:14 PM
Quote from: mgk920 on December 25, 2024, 12:00:59 PM
Quote from: thspfc on December 24, 2024, 04:54:33 PM
Quote from: TheHighwayMan3561 on December 24, 2024, 03:31:56 PMFor MN I can't imagine it's anything other than I-94 at the St. Croix and its 73,000.
I-94 at the ND border is only a few thousand behind at 71k according to MNDOT - though MNDOT's map does not have a count for I-94 east of MN-95. WISDOT's count was 82k at the bridge.



I-94 at the MN/ND state line in the major crossing between two cities in a metro area.  It makes sense to me.

Mike

I-94 at the MN/WI line is a major crossing between a much bigger metro and some of its suburbs and exurbs, as well as being a primary route from said metro to the rest of the country. An ~11k gap between MN/ND and MN/WI (in favor of the latter) makes sense to me.

WisDOT may have a different methodology in computing their numbers, so for a proper apples-to-apples comparison, it would be useful to use MnDOT's numbers for both crossings.  It's also worth noting that the Red River crossing is a far more urban environment than the almost-exurban St. Croix River crossing, so the numbers being closer is not out of the question.

webny99

Quote from: froggie on January 03, 2025, 08:44:47 AMWisDOT may have a different methodology in computing their numbers, so for a proper apples-to-apples comparison, it would be useful to use MnDOT's numbers for both crossings.

Of course, but I inferred from the previous post that MnDOT didn't have a count for the bridge itself. In that case, WI's count for the actual bridge is almost certainly a more relevant comparison than MnDOT's counts from west of MN 95, unless MN 95 coincidentally happens to be a total wash. That seems unlikely for two reasons, one being WI's data, and the other being that major bridges are typically busier than the adjacent segments because of traffic funneling onto them from both sides to get across a choke point, and in this case also indicated by the presence of auxiliary lanes.

froggie

Quote from: webny99 on January 03, 2025, 08:57:50 AM
Quote from: froggie on January 03, 2025, 08:44:47 AMWisDOT may have a different methodology in computing their numbers, so for a proper apples-to-apples comparison, it would be useful to use MnDOT's numbers for both crossings.

Of course, but I inferred from the previous post that MnDOT didn't have a count for the bridge itself. In that case, WI's count for the actual bridge is almost certainly a more relevant comparison than MnDOT's counts from west of MN 95, unless MN 95 coincidentally happens to be a total wash. That seems unlikely for two reasons, one being WI's data, and the other being that major bridges are typically busier than the adjacent segments because of traffic funneling onto them from both sides to get across a choke point, and in this case also indicated by the presence of auxiliary lanes.


The MnDOT count in question is for I-94 east of Exit 258.  Take that for what you will...

Dirt Roads

West Virginia

It's taken several weeks to compile this list.  WVDOH could care less about the numbers of border crossings, and as a result, there are a bunch of crossings where the closest traffic data locations are not appropriate for counting border crossings.  In a few cases, AADT for multiple routes approaching the border crossing could be taken into account to get a decent estimate (in particular, US-35 into Ohio and US-22 into Ohio).

Surprisingly, West Virginia has a bunch of crossings that are bucking for the Top Ten.  The list changes significantly if you look at the data posted by the other states.  Data in (parentheses) are from the other state's AADT numbers.  There are a few others making the Top Ten list if you take the average between the two states.

INDIVIDUAL CROSSINGS (AADT reported by WVDOH)
MarylandI-81
63,715
   Potomac River crossing
VirginiaI-81
51,307
OhioI-470
39,018
   Ohio River crossing
Pennsylvania     I-70
31,777
VirginiaI-77
28,653
   East River Mountain Tunnel
Pennsylvania  I-79
27,747
PennsylvaniaUS-22
23,026
KentuckyI-64
22,857
   Big Sandy River crossing
OhioWV-106   
21,507
   Ohio River crossing
10 
OhioI-77
21,259
   Ohio River crossing

INDIVIDUAL CROSSINGS (AADT reported by Other States)
MarylandI-81
(65,750)
   Potomac River crossing
VirginiaI-81
(53,000)
OhioI-470
(41,413)
   Ohio River crossing
VirginiaI-77
(32,000)
   East River Mountain Tunnel
OhioUS-22
(31,131)
   Ohio River crossing
Pennsylvania     I-70
(29,000)
OhioUS-35
(26,980)
   Ohio River crossing
OhioUS-52
(24,564)
   Ohio River crossing
KentuckyI-64
(23,164)
   Big Sandy River crossing
10 
VirginiaUS-340   
(22,000)


When looking at the big picture, West Virginia has a lot of border crossings just because of its unique shape.  Adding to the mess is that West Virginia and its bordering states can't agree on whether roads get state route numbers.  For clarity, I've reduced the listing to all Interstate routes, U.S. Routes, and State Routes (either side of the border); plus any secondary route that carries more than 500 AADT.  For the river borders, I've included all such river border crossings unless both states didn't bother to collect the data (only three didn't make the cut).

I wasn't surprised by these numbers, but you might not have guessed Ohio given the Top Ten lists above:

CROSSINGS BY STATE (AADT totals for Qualified Crossings)
Ohio
303,217
     (319,589)
Virginia
244,797
(268,528)
Maryland
158,677
(157,785)
Pennsylvania   
125,497
(115,058)
Kentucky
84,852
(85,261)


I should mention that West Virginians get a bit testy when discussing what constitutes a "border".  West Virginia has one border with Kentucky; one border with Ohio; two borders with Pennsylvania; two borders with Maryland; but gazillions with Virginia. 

If you want to be technical, the Mason-Dixon doesn't quite reach the Panhandle and some folks on the other side think that the Levisa Fork is more important than the Tug River; add one extra for Pennsylvania and one extra for Kentucky.  (None of the qualified border crossings actually cross that short section beyond the Mason-Dixon Line, so there are still only two borders with Pennsylvania with respect to this data).

What about Maryland?  The so-called North Branch of the Potomac River had already been the subject of a border dispute even before the colonies of Maryland and Virginia got involved.  But even though Lord Fairfax put his mark on the "true headwaters" of the Potomac River, Maryland still fought to move the boundary to the South Branch.  This dispute wasn't settled until 1910.  For some West Virginians, we still remember.  Only one Potomac River; hence, only two boundaries with Maryland.


With all being said, the Eastern Panhandle border that separates those three counties from Frederick and Clarke counties in Virginia has a higher "border count" than all of Kentucky.

But there is also one "border" that held a bunch of surprises.  Coming in at Second Place on the list of Virginia borders is the so-called Pocahontas Line that separates the two Bluefields (as well as all of Western Mercer from Eastern Tazewell) includes a bunch of unnumbered streets and roads that have surprisingly high traffic counts.  (Hence a new rule to include these streets and road).

Third Place on the the list of Virginia borders is also on the Eastern Panhandle.  There are only two roads across the Blue Ridge that separates Jefferson and Loudoun counties that qualify as border crossings (US-340 and WV-9), and those two routes get huge numbers due to DC/NOVA commuter traffic.  (And yes, I am well aware that there is a third road (Ravens Rocks) that crosses back-and-forth between the two states, and have posted about it several times).


CROSSINGS BY BORDER (AADT totals for Qualified Crossings)
Ohio (Ohio River)
303,217
    (319,589)
Maryland (Potomac River)
138,903
(136,310)
Virginia (Eastern Panhandle slice) 
87,050
(86,740)
Kentucky (Tug River / Big Sandy River)     
84,852
(85,261)
Pennsylvania (Northern Panhandle)
73,374
(66,450)
Pennsylvania (Mason-Dixon Line)
52,123
(48,608)
Virginia (Eastern Tazewell)
43,922
(49,139)
Virginia (Blue Ridge)
36,653
(42,000)


The tables for the rest of the data is wonky.  Will take a while to get it posted.
 

Dirt Roads

West Virginia (details)

OHIO                     
303,217
     (319,589)

                              OHIO RIVER CROSSINGS                                                   
303,217
  (319,589)
US-52West Huntington [Toll] Bridge
19,845
(24,564)
WV-527 (OH-527)Robert C. Byrd Bridge
12,738
(16,851)
WV-106 (OH-106)Gatski Memorial Bridge (East Huntington)
21,507
(15,509)
US-35Silver Memorial Bridge
17,216
(26,980)
(OH-833)Pomeroy-Mason Bridge
9,103
(9,009)
US-33Ravenswood Bridge
3,748
(2,561)
US-50Blennerhassett Island Bridge
11,603
(11,171)
WV-618 (OH-32)Parkersburg–Belpre Bridge
20,712
(14,713)
unsigned WV-140   Parkersburg Memorial Bridge
13,503
(6,284)
WV-31 (OH-60)Williamstown Bridge
11,745
(10,756)
I-77Marietta–Williamstown Interstate Bridge     
21,259
(19,892)
WV-807 (OH-807)Carpenter Memorial Bridge (St. Marys)
no data
(7,984)
Sistersville Ferry
no data
  (no data)
WV-7Korean War Veterans Memorial Bridge (New Martinsville)   
7,257
(8,651)
(OH-872)Arch Moore 12th Street Bridge (Moundsville)
12,606
(12,773)
I-470 Vietnam Veterans Memorial Bridge
39,018
(41,413)
I-70 Fort Henry Bridge
16,725
(19,513)
US-40/US-250 Zane Street Purple Heart Bridge
14,175
(16,288)
(OH-702) Wellsburg Bridge
no data
(no data)
Market Street Bridge (Follansbee)
6,480
(6,470)
US-22Veterans Memorial Bridge (Weirton)
20,234
(31,131)
US-22Wayne Six Newell Toll Bridge
2,621
(4,681)
US-30 Jennings Randolph Bridge
13,138
(12,395)


PENNSYLVANIA       
125,497
   (115,058)

                               NORTHERN PANHANDLE CROSSINGS                 
73,374
   (66,450)
US-30Lincoln Highway                                             
7,114
(6,800)
Old US-22Steubenville Pike 
3,632
(2,200)
US-22Weirton Bypass
23,025
   (20,000)
Alt WV-27Eldersville Road
739
(1,000)
WV-27 (PA-844)          Washington Pike 
3,037
(3,800)
WV-67 (PA-331)Bethany Pike 
no data
(150)
US-40National Road
2,437
(1,400)
I-70
31,777
(29,000)
WV-891 (PA-21)Rock Lick Road
31,777
(29,000)

                               MASON-DIXON LINE CROSSINGS                       
52,123
     (48,608)
WV-69 (PA-18)Pennsylvania Avenue
no data
(1,600)
Toms Run Road (Macdale)
no data
(800)
WV-218(PA-218)Jefferson Street (Daybrook Road)
no data
(1,600)
Buckeye Road
no data
(1,400)
US-19Mount Morris Road (Blue Horizon Drive)         
no data
(1,800)
I-79Jennings Randolph Expressway
no data
(21,000)
Fort Martin Road
1,035
(1,100)
US-119Point Marion Road
4,138
(5,200)
WV-43 (Toll PA-43)     Mon-Fayette Expressway 
9,798
(9,500)
LSR-853 (PA-853)Fairchance Road
1,147
(4,200)
(PA-381)Clifton Mills Road
no data
(400)
WV-26 (PA-281)North Preston Highway
658
   (no data)


MARYLAND       
158,677
     (157,785)

                          FAIRFAX STONE LINE (WESTERN GARRETT BORDER)                 
19,774
   (21,475)
I-68Corridor E
                             13,106
   (15,632)
WV-7 (MD-39)     Veterans Memorial Highway                     
3,746
(3,542)
US-50George Washington Highway
1,523
(700)
US-219Seneca Trail
1,399
(1,601)

                                                POTOMAC RIVER CROSSINGS                               
138,903
  (136,310)
Bayard Bridge
no data
   (no data)
US-50George Washington Highway
1,324
(1,284)
WV-42 (MD-38)Blaine Highway
629
(742)
Unsigned WV-46Beryl Bridge
171
(no data)
WV-46 (MD-36)Ashfield Street Bridge
5,394
(4,822)
US-220Memorial Bridge (Keyser) 
12,470
(11,901)
WV-956 (MD-956)Rocket Center Bridge   
7,045
(6,502)
WV-28 (MD-942)Cumberland Blue Bridge   
6,405
(6,554)
Alt WV-28 (Unsigned MD-61)     Canal Parkway Bridge   
12,023
(10,731)
Oldtown Toll Bridge   
832
(600)
WV-9 (MD-51)Paw Paw Bridge
1,383
(1,231)
US-522Hancock Bridge
12,430
(10,911)
US-522West Potomac Street Bridge (Williamsport)           
8,500
(8,580)
I-81
63,715
(65,750)
WV-480 (MD-34)James Rumsey Bridge (Shepherdstown)
6,582
(6,531)


VIRGINIA                 
244,797
    (268,528)
                                BLUE RIDGE                                                 
36,653
     (42,000)
US-340                                                                                     
20,532
     (22,000)
WV-9 (VA-9)
  16,121
(20,000)

Dirt Roads

More West Virginia data:

VIRGINIA               
244,797
    (268,528)

                                BLUE RIDGE                                                       
36,653
    (42,000)
US-340                                                                                           
20,532
    (22,000)
WV-9 (VA-9)
  16,121
(20,000)

                                APPLE PIE SLICE (EASTERN PANHANDLE)              
87,050
      (86,740)
US-340                      Berryville Pike
12,936
(13,000)
Leetown Road
no data
(2,200)
Hardesty Road
no data
(990)
US-11Winchester Avenue
9,216
(6,300)
I-81
51,307
     (53,000)
Ruebuck Road
no data
(690)
Runnymeade Road
no data
(970)
WV-45Apple Harvest Drive
941
(1,200)
Winchester Grade Road
no data
(850)
North Timber Ridge Road                                 
no data
(640)
US-522Valley Road
6,310
(6,900)


                                            SECOND FRONT (CACAPON WATERSHED BOUNDARY)              
18,021
      (21,720)
WV-127 (VA-127)Bloomery Pike 
5,040
(5,500)
Timber Ridge Road
                                                               no data
(720)
US-522Northwestern Pike
6,557
       (8,800)
WV-259 (VA-259)Carpers Pike 
3,123
(3,500)
US-48/WV-55 (US-48/VA-55)    Strasburg Road
2,581
(3,200)

                                NORTHERN ROCKINGHAM BORDER                   
   2,146
         (2,300)
WV-259 (VA-259)                                                                                 
2,146
         (2,300)

                                THIRD FRONT (SOUTH BRANCH WATERSHED BOUNDARY)      
   1,682
         (1,700)
US-33                       Blue-Gray Trail                                                                       
1,682
         (1,700)

                                NORTHERN HIGHLAND BORDER                           
   700
          (700)
US-220                     Upper South Branch Road                                       
574
          (700)

                                ALLEGHENY FRONT                                            
   9,357
      (10,410)
US-250                      Staunton-Parkersburg Turnpike                             
214
           (380)
WV-84Pocahontas Highway 
298
(150)
I-64/US-60Gov. Hulett C. Smith Highway
8,097
(9,100)
WV-311Kanawha Trail   
467
(520)

                                SOUTHERN ALLEGHANY BORDER (notice the spelling difference)                  
   581
      (720)
WV-311                    Sweet Springs Valley Road                                                                             
581
     (720)

                                PETERS MOUNTAIN (NORTHERN CRAIG)                                                     
   277
     (220)
WV-311                    Sweet Springs Valley Road                                                                             
277
     (220)

                                NORTHERN GILES BORDER W/ WESTERN MONROE (NEW RIVER BUMPOUT)              
   4,710
       (8,800)
US-219                      Market Street (Giles-Fayette-Kanawha Turnpike)                                                           
4,710
       (8,800)

                                NORTHERN GILES BORDER W/ EASTERN MERCER (NEW RIVER BUMPOUT)                
   7,959
       (8,900)
US-219                      Corridor Q                                                                                                               
7,959
       (8,900)

                                EAST RIVER MOUNTAIN                                   
   28,865
      (32,180)
I-77/US-52                East River Mountain Tunnel                                 
28,653
      (32,000)
WV-598 (VA-598)Scenic Drive   
212
(180)

                                POCAHONTAS LINE                                   
   43,922
      (49,139)
US-460Big Laurel Highway (Corridor Q)             
16,257
(16,000)
Leatherwood Lane
6,469
     (no data)
College Avenue
5,928
(6,100)
Stadium Drive
5,315
(8,900)
US-19Bluefield Avenue 
4,297
(4,100)
WV-123Brushfork Road
3,353
(2,600)
WV-102 (VA-102)       Falls Mills Road (Yards)
991
(3,600)
WV-102 (VA-102)Falls Mills Road (Wolfe)
same data
780
Pocahontas Avenue 
321
(590)

                                HORSEPEN CREEK / LOW GAP BRANCH                      
   no data
      insufficient
Abbs Valley Road                                                         
no data
        (590)
Horsepen Road
no data
(DNQ)
WV-161                   Skygusty Road
no data
       (no data)

                                NORTHERN TAZEWELL BORDER                         
   1,717
      (1,589)
WV-161                    Skygusty Road                                                     
489
    (no data)
WV-16 (VA-16)Rocket Boys Drive
1,228
1,100

                                STATE LINE RIDGE                                                
   693
      (820)
WV-83                      Marshall Highway                                                   
693
       (820)



KENTUCKY                
84,582
     (85,261)

                                                               TUG RIVER CROSSINGS                                                        
   55,545
      (54,599)
WV-49 (Spur KY-194)Bill Croaff Memorial Bridge                 
852
         (1,104)
(KY-1056)Michael Justice Memorial Bridge (Matewan)
2,129
(1,537)
US-119Gen. Foglesong Bridge (Corridor G) 
8,454
(9,672)
US-119/US-52Thomas H. Farley Bridge (Corridor G) 
8,267
US-119/US-52Joey Dingess Memorial Bridge (Corridor G) 
8,449
US-119/US-52Howard Bannister Memorial Bridge (Corridor G)                 
same data
US-119/US-52Bobby Lee Jarrell Memorial Bridge (Corridor G) 
7,188
Hub Cline Bridge (Kermit)
no data
(3,849)
Unsigned WV-37 (Unsigned Spur KY-3)     Louisa-Fort Gay Bridge 
7,773
(5,949)

                                BIG SANDY RIVER CROSSINGS                                    
   29,307
      (30,662)
I-64                          Perry and Gentry Memorial Bridge                                 
22,857
      (23,164)
US-60Billy C. Clark Chestnut Street Bridge
6,450
(7,498)


Notes:
1.   There are numerous minor crossings in the Blacksville and Shamrock area between Monongalia County and Greene County.  Only the WV-218/PA-218 crossing made the list.  There are other crossings with no data that appear to qualify.

2.   Both the Beryl Bridge (unsigned WV-46) and the Louisa-Fort Gay Bridge (unsigned WV-37) are listed here as "unsigned" because there are END WV-46 and END WV-37 signs posted just prior to both of them.

3.   Most of the distinct borders between West Virginia and Virginia have crossings that do not qualify.  Several have no border crossings whatsoever.

4.   The VDOT traffic data for US-219 crossing at Peterstown is nearly double that reported by the DOH.  It is also nearly identical to the US-460 crossing nearby.

5.   Worse, the VDOT traffic data for WV-102/VA-102 crossing at the town of Yards is triple that reported by the DOH.

6.   West of Bluefield, there are several borders where a road follows along the state line.  Several of these do not have a true border crossing, but they are listed if the AADT data for the boundary road qualifies.

7.   In the area surrounding Horsepen (McDowell County), WVDOH and VDOT maps disagree on the topology and number of border crossings for Abbs Valley Road and Horsepen Road.  The latter nearly qualifies, with VDOT reporting an AADT of 480.  WVDOH shows no data for any of these border crossings.

8.   The second Tug River crossing of Corridor G is posted as the Thomas H. Farley Bridge, but it appears to be named after Thomas B. Farley, a local businessman and Masonic .  By the way, the reason KYTC doesn't have AADT data for the four northernmost of these bridges is that WVDOH owns and maintains the entire section.

9.   The fourth Tug River crossing of Corridor G is posted as a memorial to CBM Howard Bannister.  However, the correct U.S. Navy abbreviation for Construction Boatswain Mate is actually CBB.

10.   As is a West Virginia bridge memorial tradition, the I-64 bridge over the Big Sandy River is named for two construction workers who died in a construction accident during the demolition of one the original structures on July 2, 1997.

11.   In many cases, the DOH did not conduct the traffic study at the border crossing.  As such, traffic would have been gained (or lost) to nearby streets and roads prior to the border.  The closest AADT data was utilized, when appropriate.

12.   For crossings marked as "No Data", the totals include the AADT posted by the opposite state agency. 

flan

North Dakota:

Minnesota - 179021
South Dakota - 16120
Montana - 12805
Manitoba - 4185
Saskatchewan - 1395

Rough addition of AADT of crossings along the borders, not surprised by the order at all.

cl94

Alright, Nevada (with 2023 AADT). I-15 CA is by far the highest, with I-80 CA a distant second. I-15 AZ, SR 163 AZ, and US 50 CA round out the top 5. None of the Utah crossings top 8000 (though West Wendover combines to about 15000), while none of the Idaho or Oregon crossings top 5000. With the exception of US 50 in South Lake Tahoe, all crossings with daily volumes above 10,000 are in Clark or Washoe Counties.

California:
I-15 - 44000
I-80 - 32000
US 50 - ~24000, no count between Lake Parkway and the state line, but this is what my government knowledge has for that location with big data
SR 28: 12300
US 395 Bordertown - 10200
US 395 Topaz - 5150
SR 88 - 4350
US 95 - 3750
US 6 - 1900 (ironically, this is the highest count along US 6 apart from the US 95 concurrency and SR 318 - Ely)
Needles Highway - 1350
SR 372 - 1400
SR 373 - 740
SR 164 - 730
SR 338 - 450
SR 264 - 310
Daylight Pass - 260
SR 266 - 220
SR 359 - 200
SR 267 - 0 (closed)
No data - Washoe CRs 447 and 8A, other local roads

Arizona:
I-15 - 29700
SR 163 - 26600
I-11 - 19800
Hillside Drive (Mesquite) - 6900

Utah:
I-80 - 7650
BL I-80 - 7100
SR 319 - 660
US 6/50 - 580
SR 233 - 390
SR 487 - 220

Idaho:

US 93 - 4400
SR 229 - 800

Oregon:
US 95 - 3250
SR 140 - 320
SR 291 - 260

Please note: All posts represent my personal opinions and do not represent those of my employer or any of its partner agencies.

Travel Mapping (updated weekly)

Dirt Roads

Oops.  Woke up this morning and realized that I missed one in the southern part of the state.  WV-635 is a little complicated, as it crosses the State Line Ridge where the traffic volume certainly picks up some of the crossroad traffic from Peapatch Road and Compton Ridge Road (both which follow along the State Line).

Following typical DOH protocol, the closest traffic data for WV-635 is up near Jolo.  That's close enough for "government work", as you might say.  Here's all four chunks.

WV-635           Three Forks Road                984
                      Peapatch Road                   no data        (310)
                      Compton Ridge Road         no data        (480)
(SR-635)          Wimmer Gap Road                                (680)

Using a balanced data concept (which might be valid here, as the traffic data from Wimmer Gap Road is dated 1/01/2023, whereas the traffic data from the cross roads is 10/26/2022, just a few months earlier), then the project for the border crossing would be either (510) or (850).  The latter value seems more appropriate, given the traffic volume out of Jolo.  Let's try this as a correction:

VIRGINIA (corrected)          245,781    (269,378)

STATE LINE RIDGE
1,677
   (1,670)
WV-635                         Three Forks Highway         
984
     (850)
WV-83                         Marshall Highway           
693
     (820)

Because editing the tables that I've already posted is quite wonky, this will just have to do.   :pan: Nit-picking myself to death!

CoreySamson

Quote from: texaskdog on December 24, 2024, 03:05:57 PMTexas I would guess: LA, Mexico, OK, AK, NM though not sure where Mexico would actually fall.

I was interested in figuring this out, and the results were not what I expected. Feel free to check my work, cause I am not sure if this is all accurate, but all information either comes from the TxDOT AADT Viewer or Wikipedia (for a rough estimate for a couple of Mexico bridges). Keep in mind that local roads were not counted, so the totals for Arkansas, New Mexico, and Oklahoma are probably a bit higher.

Here are the rankings for total AADT, followed by each border's biggest contributor to that total:

1. New Mexico - 182,895 AADT (I-10 - 35,190)
2. Oklahoma - 167,712 AADT (I-35 - 52,466)
3. Louisiana - 131,540 AADT (I-10 - 50,329)
4. Tamaliupas - 112,789 AADT (I-69W - 21,239)
5. Arkansas - 76,858 AADT (I-30 - 44,636)
6. Chihuahua - 44,204 AADT (I-110 - 30,635)
7. Coahuila - 15,328 AADT (Camino Real - 8304)
8. Nuevo Leon - 3466 AADT (TX 255 - 3466)

I am quite honestly pretty shocked that New Mexico was the highest, but it seems that El Paso accounts for most of those crossings (at least 70k worth), and there is a lot of oil traffic between Texas and New Mexico.
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JayhawkCO

Quote from: CoreySamson on January 08, 2025, 02:33:41 PMI am quite honestly pretty shocked that New Mexico was the highest, but it seems that El Paso accounts for most of those crossings (at least 70k worth), and there is a lot of oil traffic between Texas and New Mexico.

My gut would have picked NM just because of the two cross-country interstates that hit the border as well as the proximity of El Paso to Las Cruces.

webny99

Wow. I never would have guessed NM for Texas either. I'm struck by how "everything is bigger in Texas" also applies to the distance from its major cities to the state line. Unless you count Texarkana, El Paso is really the only major Texas city that has *any* degree of commuter patterns to another state. Downtown Houston is a sneaky 2 hours from the Louisiana line, and downtown Dallas is almost as far from Oklahoma.

JayhawkCO

Quote from: JayhawkCO on January 08, 2025, 02:40:21 PM
Quote from: CoreySamson on January 08, 2025, 02:33:41 PMI am quite honestly pretty shocked that New Mexico was the highest, but it seems that El Paso accounts for most of those crossings (at least 70k worth), and there is a lot of oil traffic between Texas and New Mexico.

My gut would have picked NM just because of the two cross-country interstates that hit the border as well as the proximity of El Paso to Las Cruces.
Quote from: webny99 on January 08, 2025, 03:53:52 PMWow. I never would have guessed NM for Texas either. I'm struck by how "everything is bigger in Texas" also applies to the distance from its major cities to the state line. Unless you count Texarkana, El Paso is really the only major Texas city that has *any* degree of commuter patterns to another state. Downtown Houston is a sneaky 2 hours from the Louisiana line, and downtown Dallas is almost as far from Oklahoma.

I also failed to mention that there's a decent mount of traffic going between Texas and Clovis/Hobbs since those are the largest cities for a quite a ways and they aren't far from the border.

boilerup25

For New Jersey:
1. New York.
Has to be. Especially because of the three Hudson River crossings into NYC and the world's busiest vehicular bridge, the George Washington Bridge.
2. Pennsylvania. Longest border geographically, but other than Philadelphia and the Lehigh Valley, the entire NJ/PA border may not be as much combined as NYC.
3. Delaware. Only 2 crossings, and only 1 fixed crossing, the Delaware Memorial Bridge.

Busiest and least busy crossings:
NJ/NY:
Busiest: George Washington Bridge
Least busy: CR 521/CR 16

NJ/PA:
Busiest: Walt Whitman Bridge
Least busy: Riegelsville Bridge

NJ/DE:
Busiest: Delaware Memorial Bridge
Least busy: Cape May - Lewes Ferry

JayhawkCO

Since we were talking about the NM/TX border, I decided to do New Mexico.

HighwayStateAADT
I-10TX37056
I-25CO23230
I-40AZ18633
I-40TX15817
US60TX13556
I-10AZ12196
NM264AZ11345
US70/84TX10918
US62/180TX9469
NM18TX9360
US550CO8996
NM88TX7135
NM213TX6326
US56/64/412OK6321
NM136Chihuahua5910
US64AZ5321
US87TX5022
NM176TX4698
US491CO4428
NM478TX4375
NM273TX4130
NM28TX3512
US285TX3439
US84CO3217
US54TX3079
US62TX2552
NM83TX2424
NM170CO2326
US380TX2051
US160CO1936
US160AZ1791
NM128TX1555
US285CO1534
US54TX1282
US82TX1253
NM53AZ1106
NM17CO1055
NM202TX943
NM348TX883
US70AZ872
NM522CO810
US60AZ568
NM133TX567
US180AZ490
NM80AZ375
NM511CO286
NM78AZ273
NM241TX160
NM114TX154
NM235TX136
NM114Chihuahua120
NM321TX106
NM125TX91
NM81Chihuahua84
NM19TX83
NM417TX72
NM551CO64
NM262TX55
NM456OK52
NM410OK15

TX: 161,667
AZ: 52,970
CO: 47,882
OK: 6,388
Chihuahua: 6,114

These are 2017 numbers, which is the last that I have but NM doesn't make it easy to find all of their AADT numbers.

jmacswimmer

Took a stab at this for Maryland - used SHA's traffic count GIS map and grabbed 2022 AADT for every line touching a border (which means that not every single crossing is accounted for, but these would likely be low-volume county-maintained roads anyway). Total volumes for state/district below, along with the busiest individual crossings for each:

District of Columbia: 1,053,221
MD 201/DC 295 Kenilworth Avenue Freeway 139,810
US 50 John Hanson Highway/New York Avenue 123,520
I-295 Anacostia Freeway 82,723
MD 185 Connecticut Avenue 44,445
Suitland Parkway 39,610
MD 650 New Hampshire Avenue 38,695
US 29 Georgia Avenue 37,224
MD 210 Indian Head Highway/S Capitol Street 32,225
MD 5 Branch Avenue 30,164
MD 355 Wisconsin Avenue 29,222
MD 390 16th Street 27,040

Virginia: 561,043
I-95/I-495 Woodrow Wilson Memorial Bridge 243,160
I-495 American Legion Memorial Bridge 229,372
US 340 Sandy Hook Bridge 21,538
US 15 Point of Rocks Bridge 21,174
US 13 Ocean Highway/Lankford Highway 18,810
US 301 Governor Harry W. Nice Memorial Bridge 18,460

Pennsylvania: 363,858
I-81 Maryland Veterans Memorial Highway 64,701
I-83 Baltimore-Harrisburg Expressway 42,130
US 15 Catoctin Mountain Highway 22,632
I-70 Eisenhower Memorial Highway 21,332
MD 30/PA 94 Hanover Pike 15,530
MD 45/SR 3001 York Road 11,050

Delaware: 314,187
I-95 JFK Memorial Highway/Delaware Turnpike 61,965
US 40 Pulaski Highway 32,505
US 13 Ocean Highway/Sussex Highway 28,845
MD 528/DE 1 Coastal Highway 27,692
MD 279/DE 279 Elkton Road 23,115
US 113 Worcester Highway/DuPont Boulevard 22,301
MD 404/DE 404 Shore Highway 13,811
US 301 Blue Star Memorial Highway 11,455

West Virginia: 157,778
I-81 Potomac River Bridge 65,750
I-68 National Freeway 15,632
US 220 Keyser Bridge 11,901
US 522 Hancock Bridge 10,911
MD 61/WV 28 Canal Parkway Bridge 10,731
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