Most geographically extreme/central interchanges in a state

Started by thspfc, May 29, 2021, 10:49:26 PM

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thspfc

WI . . .

North: The junction of threes and fives (I-535, US-53, WI-35) in Superior is sort of a half interchange. Northernmost full interchange is US-2, US-53, and WI-13 southeast of Superior.
East: WI-42/57 and Green Bay Road in Sturgeon Bay is a half interchange. Easternmost full interchange is I-43, US-151, and WI-42 in Manitowoc.
South: US-61, US-151, WI-11, and WI-35 near Dubuque.
West: I-94, US-12, and WI-35 in Hudson.
Central: I-39, US-51, and WI-153 in Mosinee.


TheHighwayMan3561

#1
MN:

East: I-90/US 14/US 61 (Exit 276) east split at La Crescent
South: I-35/Freeborn County 5 (Exit 2) south of Albert Lea
North and West: US 2 half-interchange with River Rd/4th St in East Grand Forks
Central: the MN 371/Business MN 371 interchange south of Baxter/Brainerd
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Crown Victoria

#2
PA:

North: I-90/US 20 (Exit 45) near North East
East: I-84/US 209 (Exit 53) in Matamoras
South: I-81/PA 163 (Exit 1) along the Mason/Dixon Line (interchange partially in MD); I-79 Exit 1 near Mount Morris is furthest south wholly within PA
West: I-70 Exit 1, West Alexander
Central: I-99/PA 150 (Exit 78) near Bellefonte

Freeway-to-freeway:

North: I-86/I-90 near North East
East: US 1/US 13 near Morrisville
South: I-95/US 322 in Chester
West: I-80/I-376/PA 760 near Sharon
Central: I-99/US 322 just north of Penn State University (the I-80/I-99 interchange will be very close to challenging this when built) *I'm not counting it, but the I-99/PA 26 interchange could work here too if regarded as a very short Super-2 and not as very long ramps.

kurumi

CT:
North: I-84 at CT 171, Union (narrowly beats out I-91 and I-395)
East: US 6 at ST 695, Killingly (beats I-95 at CT 216 by 0.002 degree)
South and West: I-95 exit 2, Delevan Ave, Greenwich
Center: CT 9, exit 21, at CT 372, Berlin

For tiebreakers, using Google Maps lat/long display when clicking the intersection of the centerlines of both routes
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US 89

For Utah

North: I-15 exit 398 - 25800 North/Portage (this barely edges out the I-84 Snowville interchanges)
South: SR 7 exit 3 - River Rd (just about right on the Arizona line)
East: I-70 exit 227 - Westwater
West: I-80 exit 1 - Aria Blvd/Wendover
Central: I-15 exit 207 - SR 78/Levan

Four of those are standard diamond interchanges. The Wendover one is a half-diamond that would be partly in Nevada if the other two ramps were built.

Roadgeekteen

MA:

North: I-95 exit 90 MA 286
South: MA 28 Brick Kilm Road exit
East: MA 6 exit 89 MA 6A (technically the route 6 rotory)
West: I-90 exit 3 MA 41
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Current Interstate map I am making:

https://www.google.com/maps/d/u/0/edit?hl=en&mid=1PEDVyNb1skhnkPkgXi8JMaaudM2zI-Y&ll=29.05778059819179%2C-82.48856825&z=5

jp the roadgeek

#6
NY:

Northern: I-87 Exit 43 (US 9 South at the Canadian Border)
Southern: NY 440 Exit 1 (on Staten Island)
Eastern: NY 27 Exit 66 (just before the east end of the freeway portion)
Western: I-86/NY 17 Exit 4 (NY 426) in Findley Lake
Central (Pratt's Hollow) Thruway Exit 33 (NY 365) in Verona

Central for MA is I-190 Exit 9 (MA 140 in Boyleston, Rutland being the center point).
Interstates I've clinched: 97, 290 (MA), 291 (CT), 291 (MA), 293, 295 (DE-NJ-PA), 295 (RI-MA), 384, 391, 395 (CT-MA), 395 (MD), 495 (DE), 610 (LA), 684, 691, 695 (MD), 695 (NY), 795 (MD)

ran4sh

Georgia

Central: I-16 exit 18, Bullard Rd/ Jeffersonville (About a mile from the geographic center as determined by the US Geological Survey)
South: I-75 exit 2, Bellville Rd/ Lake Park
East: Harry Truman Pkwy exit serving US 80 on the east side of Savannah
West: I-59 exit 4, Deer Head Cove Rd/ Rising Fawn
North: I-24 exit 169, SR 299/ Wildwood
Control cities CAN be off the route! Control cities make NO sense if signs end before the city is reached!

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SectorZ

New Hampshire

South - US 3/Spit Brook Rd (Exit 1)
East - I-95/Market St (Exit 7)
North - I-93/NH 18/135 (Exit 44)
West - I-89/NH 12A (Exit 20)

Vermont

South - I-91/US 5 (Exit 1)
East - I-93/VT 18 (Exit 1)
North - I-91/Caswell Ave (Exit 29)
West - VT 279/VT 7A

Maine

South/West - I-95/ME 103 (Exit 1)
East - I-95/US 2 (Exit 305)
North - I-95/US 2 (Exit 291)

sprjus4

Virginia

Southern - US-29 / US-58 in Danville
Northern - I-81 / SR-669 (Exit 323)
Western - US-23 / US-58 Alt / SR-884 in Big Stone Gap
Eastern - I-264 / Birdneck Rd (Exit 22) in Virginia Beach

vdeane

Quote from: jp the roadgeek on May 30, 2021, 01:54:54 AM
NY:

Northern: I-87 Exit 43 (US 9 South at the Canadian Border)
Southern: NY 440 Exit 1 (on Staten Island)
Eastern: NY 27 Exit 66 (just before the east end of the freeway portion)
Western: I-86/NY 17 Exit 4 (NY 426) in Findley Lake
Central (Pratt's Hollow) Thruway Exit 33 (NY 365) in Verona

Central for MA is I-190 Exit 9 (MA 140 in Boyleston, Rutland being the center point).
I think I-90/Shortman Road is barely further west.

Quote from: SectorZ on May 30, 2021, 11:57:15 AM
Vermont

South - I-91/US 5 (Exit 1)
East - I-93/VT 18 (Exit 1)
North - I-91/Caswell Ave (Exit 29)
West - VT 279/VT 7A
Further west than US 4/VT 22A?
Please note: All comments here represent my own personal opinion and do not reflect the official position of NYSDOT or its affiliates.

TEG24601

WA:


North: I-5 and SR 548/D St. Blaine, WA
South: I-205 and SR 14 in Vancouver, WA
East: I-90 and Spokane Bridge Rd., at Spokane Bridge, WA
West: Slipramps with overpass - US 101 and State St. Aberdeen, WA - Full Diamond or better, US 101 and River Rd., Sequim, WA
Central: SR 28 and SR 285 in East Wenatchee, WA (with a Fred Meyer in the middle of the Interchange)
They said take a left at the fork in the road.  I didn't think they literally meant a fork, until plain as day, there was a fork sticking out of the road at a junction.

Great Lakes Roads

Indiana:

N: I-80/90 (Indiana Toll Road) at SR 9 in Howe
S: I-69/Veterans Parkway at US 41 in Evansville
E: I-70 at US 40 in Richmond
W: I-64 at SR 69 in Griffin

Central: Not 100% sure

bassoon1986

Louisiana:

North: I-49 at LA 168 near Ida (exit 245)
South: US 90 at LA 662 near Gibson (exit 185)
East: I-59 exit 11 Pearl River Turnaround
West: I-20 at LA 168 in Greenwood (exit 3)
Central: I-49 at LA 115 near Bunkie (exit 53)


iPhone

Mapmikey

Quote from: sprjus4 on May 30, 2021, 12:22:08 PM
Virginia

Southern - US-29 / US-58 in Danville
Northern - I-81 / SR-669 (Exit 323)
Western - US-23 / US-58 Alt / SR-884 in Big Stone Gap
Eastern - I-264 / Birdneck Rd (Exit 22) in Virginia Beach

Depending on definition of interchange, the US 13-13 Bus set-up south of the Tasley roundabout may qualify as the easternmost Virginia interchange.

For South Carolina:
East - US 17 @ SC 9 EAST Little River
South - I-95 @ US 17 Hardeeville
West - SC 11 @ SC 28 near Walhalla
North - I-26 @ SC 14 Landrum



SkyPesos

Ohio

North: I-90 and OH 7. Thought it would be OH 11 and 21st St in Ashtabula, but the latitude says otherwise (41.915 vs 41.889)
South: US 52 and OH 7 (31.423). US 52 and Solida Rd (31.424) is a close second place.
East: US 62 and OH 82 (-80.529)
West: I-74 and New Haven Rd (-84.799)
Central: I-71 and OH 61 (8.5 miles from Memorial Park in Centerburg)

froggie

Quote from: vdeane on May 30, 2021, 12:24:35 PM
Quote from: SectorZ on May 30, 2021, 11:57:15 AM
Vermont

South - I-91/US 5 (Exit 1)
East - I-93/VT 18 (Exit 1)
North - I-91/Caswell Ave (Exit 29)
West - VT 279/VT 7A
Further west than US 4/VT 22A?

Val is correct...US 4/VT 22A.

Also, I-89/US 7/Exit 22 has I-91 slightly beat for northernmost.

Given the geographical center of Vermont, the centralmost would be I-89/VT 64/Exit 5.

sprjus4

Quote from: Mapmikey on May 30, 2021, 04:56:46 PM
Depending on definition of interchange, the US 13-13 Bus set-up south of the Tasley roundabout may qualify as the easternmost Virginia interchange.
Yeah, I saw that and thought of it but interpreted it as more of a quadrant intersection than full interchange, though I suppose you could look at it that way.

The I-264 is the eastern most true interchange.

ran4sh

Centermost for SC is I-77 exit 6, SC 768, in Columbia
Control cities CAN be off the route! Control cities make NO sense if signs end before the city is reached!

Travel Mapping - Most Traveled: I-40, 20, 10, 5, 95 - Longest Clinched: I-20, 85, 24, 16, NJ Tpk mainline
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ozarkman417

#19
MO:
West: Atchison County Routes A/B and I-29 (Exit 116)
North: I-35 and US 69 (Exit 114). Only 3 of the 4 ramps are in Missouri.
East: US 60/62 on I-55 (Exit 12)
South: Pemiscot County O on I-55 (Exit 5)
Center (position based on coordinates provided by this website: US 50 and MO 87 in California

sprjus4

Quote from: sprjus4 on May 30, 2021, 12:22:08 PM
Virginia

Southern - US-29 / US-58 in Danville
Northern - I-81 / SR-669 (Exit 323)
Western - US-23 / US-58 Alt / SR-884 in Big Stone Gap
Eastern - I-264 / Birdneck Rd (Exit 22) in Virginia Beach
Geographic center - US-460 / VA-24 in Appomattox.

zzcarp

Colorado:

West: I-70 Exit 2 - Rabbit Valley
East: I-70 Exit 438 - BL  I-70 and US 24
South: I-25 Exit 2 - Wootton
North: US 138 at US 385 on the northeast side of Julesburg

Most central: The geographical center of Colorado is 39°N, 105°32'48"W which is just south of US 24 between Hartsel and Lake George. This location is 47 miles southeast of I-70 Exit 195 - CO 91 Copper Mountain, 40 miles west northwest of I-25 Exit 141 - US 24 West (which, as a crossroads interchange, could be the emotionally central interchange of the state, sorry I-70), and 37 miles west southwest of  I-25 Exit 161 - CO 105 Monument.

However, the closest interchange to the center at 30.4 miles north of the center is along US 285 northeast of Bailey at Park County Road 43 and Park County Road 72 - Deer Creek.
So many miles and so many roads

bulldog1979

Michigan:
Northern: I-75 and Easterday Avenue just south of the Canadian border in Sault Ste. Marie
Southern: US 23/US 223 at Stearns Road near Lambertville
Eastern: I-94/I-69 and the M-25 connector just west of the Blue Water bridge toll plaza in Port Huron
Western: I-94 and M-239 in New Baltimore
Central: US 10/US 127 and Bus. US 10/Bus. US 127  at Clare if going off the freeway network in the state. Based on the whole state, it would be I-75 and BL I-75/M-32 at Gaylord, the closest interchange to the geographic center near Elmira, based on pure latitude and longitude.

SkyPesos

Quote from: Crown Victoria on May 29, 2021, 11:26:46 PM
Freeway-to-freeway:

North: I-86/I-90 near North East
East: US 1/US 13 near Morrisville
South: I-95/US 322 in Chester
West: I-80/I-376/PA 760 near Sharon
Central: I-99/US 322 just north of Penn State University (the I-80/I-99 interchange will be very close to challenging this when built) *I'm not counting it, but the I-99/PA 26 interchange could work here too if regarded as a very short Super-2 and not as very long ramps.
I'll do a freeway-freeway interchanges version for Ohio too

North: I-90 and OH 11
South: US 52 and OH 7. If this one doesn't count because the OH 7 freeway is incomplete and only 2 miles long, then US 52 and OH 823.
East: I-76 and I-680
West: I-74 and I-275 western interchange

TheHighwayMan3561

Quote from: TheHighwayMan394 on May 29, 2021, 10:56:52 PM
MN:

East: I-90/US 14/US 61 (Exit 276) east split at La Crescent
South: I-35/Freeborn County 5 (Exit 2) south of Albert Lea
North and West: US 2 half-interchange with River Rd/4th St in East Grand Forks
Central: the MN 371/Business MN 371 interchange south of Baxter/Brainerd

For "just freeways":

North and east: I-35/535/US 53 in Duluth
South: I-35/90 in Albert Lea
West and central: US 10/MN 371 in Little Falls
self-certified as the dumbest person on this board for 5 years running



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