US Ends .com
  • Home
  • Store
  • Endpoints
    • US 1 - US 9 >
      • 1 >
        • 201
        • 301
        • 401 [i]
        • 401 [ii]
        • 401
        • 501
        • 601
        • 701
      • 2w >
        • 102
      • 2e >
        • 202
        • 302
      • 3
      • 4 >
        • 104
      • 5
      • 6 >
        • 106
        • 206
      • 7
      • 8
      • 9 >
        • 109*
        • 209
        • 309
    • US 10 - US 19 >
      • 10 >
        • 110
        • 210
        • 310
        • 410
      • 11 >
        • 111
        • 211
        • 311
        • 411 [i]
        • 411 [ii]
        • 411
        • 511*
        • 611
        • 711*
      • 12 >
        • 112
        • 212
        • 312
      • 13 >
        • 113
        • 213
      • 14
      • 15
      • 16 >
        • 116
        • 216
      • 17 >
        • 17-1
        • 117 [i]
        • 117
        • 217
      • 18 >
        • 118
        • 218
      • 19 >
        • 119
        • 219
        • 319
    • US 20 - US 29 >
      • 20 >
        • 120
        • 220
        • 320
        • 420
      • 21 >
        • 121 [i]
        • 121
        • 221
        • 321
        • 421
        • 521
      • 22 >
        • 122 [i]
        • 122 [ii]
        • 222
        • 322
        • 422e
        • 422w
        • 522
        • 622*
      • 23 >
        • 123 [i]
        • 123
        • 223
      • 24 >
        • 124
        • 224
      • 25
      • 26 >
        • 126
      • 27 >
        • 127
        • 227
      • 28
      • 29 >
        • 129
    • US 30 - US 39 >
      • 30 >
        • 130
        • 230
        • 330
        • 430
        • 530
        • 630*
        • 730
        • 830
      • 31 >
        • 131
        • 231
        • 331 [i]
        • 331
        • 431
      • 32
      • 33
      • 34
      • 35
      • 36 >
        • 136
      • 38 >
        • 138
    • US 40 - US 49 >
      • 40 >
        • 140
        • 240
        • 340
      • 41 >
        • 141
        • 241 [i]
        • 241 [ii]
        • 341
        • 441
        • 541
        • 641
      • 42
      • 43
      • 44
      • 45
      • 46
      • 48 [i]
      • 48 [ii]
      • 48
      • 49
    • US 50 - US 59 >
      • 50 >
        • 150
        • 250
        • 350
        • 450
        • 550
        • 650
      • 51 - 55 >
        • 51 >
          • 151
        • 52 >
          • 152
        • 53
        • 54 >
          • 154
        • 55
      • 56 >
        • 156
      • 57
      • 58 >
        • 158
        • 258
      • 59 >
        • 159
        • 259
    • US 60 - US 69 >
      • 60 >
        • 160
        • 260
        • 360
        • 460
      • 61 - 65 >
        • 61 >
          • 161
        • 62
        • 63 >
          • 163 [i]
        • 64 >
          • 164 [i]
          • 164 [ii]
          • 264
        • 65 >
          • 165
      • 66 >
        • 166
        • 266
        • 366 [i]
        • 366 [ii]
        • 466
        • 566
        • 666
      • 67 >
        • 167
      • 68 >
        • 168
      • 69 >
        • 169
    • US 70 - US 79 >
      • 70 >
        • 170
        • 270 [i]*
        • 270
        • 370
        • 470
      • 71 >
        • 171
        • 271
        • 371 [i]
        • 371
      • 72 - 76 >
        • 72
        • 73
        • 74
        • 75 >
          • 175
          • 275
        • 76 >
          • 176
          • 276
      • 77 >
        • 177
        • 277
        • 377
      • 78 >
        • 178
        • 278
        • 378
      • 79
    • US 80 - US 89 >
      • 80 - 84 >
        • 80 >
          • 180 [i]
          • 180
          • 280
          • 380
        • 81 >
          • 181
          • 281
        • 82
        • 83 >
          • 183
          • 283
          • 383
        • 84
      • 85 - 89 >
        • 85 >
          • 185
          • 285 [i]
          • 285
          • 385 [i]
          • 385
          • 485
        • 87 >
          • 187
          • 287
        • 89 >
          • 189 [i]
          • 189
    • US 90 - US 99 >
      • 90 - 94 >
        • 90 >
          • 190
          • 290
        • 91 >
          • 191
          • 491
        • 92 >
          • 192
        • 93
        • 94
      • 95 -98 >
        • 95 >
          • 195
          • 295
          • 395
        • 96 [i]
        • 96
        • 97 >
          • 197
        • 98
      • 99 >
        • 199
        • 299
        • 399
    • Anomalies >
      • 101
      • 163
      • 400
      • 412
      • 425
  • Places
    • A-L >
      • A >
        • Aberdeen
        • Albuquerque
        • Amarillo
        • Apalachicola
        • Astoria
        • Atlantic
      • B >
        • Baltimore
        • Baton Rouge
        • Bay Area
        • Bishop
        • Boone
        • Bristol
        • Brownsville
        • Brunswick
      • C >
        • Charleston
        • Chattanooga
        • Chicago
        • Cincinnati
        • Cleveland
        • Cody
        • Corpus
        • Cortez
        • Council Bluffs
        • Covington
        • Crescent
        • Cumberland Gap
      • D-E >
        • Dallas
        • Des Moines
        • Detroit
        • Dothan
        • Douglas
        • El Paso
        • Eugene
        • Erie
      • F >
        • Farmington
        • Flagstaff
        • Florence
        • Fox Valley
        • Franklin
      • G >
        • Gallup
        • Grand Junction
        • Grand Portage
        • Grayling
        • Great Falls
        • Greeley
      • H-I >
        • Hardeeville
        • Harrisburg
        • Holbrook
        • Idaho Falls
        • Int'l Falls
      • J-K >
        • Jacksonville
        • Joplin
        • Junction
        • Kansas City
        • Keokuk
        • Key West
        • Kingman
      • L >
        • Laredo
        • Lewiston
        • Long Beach
        • Los Angeles
        • Louisville
        • Lubbock
    • M-R >
      • M >
        • Mackinaw
        • Madison
        • Maryhill
        • Maysville
        • Miami
        • Midway
        • Miles City
        • Milford
        • Milwaukee
        • Minneapolis
        • Mobile 31
        • Mobile 31-43-45
        • Montgomery
        • Monticello
        • Mount Vernon
      • N-O >
        • Nags Head
        • Naples
        • Natchez
        • New Castle
        • New Orleans
        • Niagara
        • Norlina
        • Ocean City
        • Oklahoma City
      • P >
        • Pee Dee
        • Pembina
        • Pensacola
        • Petersburg
        • Philadelphia
        • Piegan
        • Pineville
        • Port Arthur
        • Portsmouth
      • Q-R >
        • Quad Cities
        • Rapid City
        • Raton
        • Reading
        • Richmond
        • Rockingham
        • Rouses Point
    • S-Z >
      • S >
        • San Antonio
        • San Antonio NM
        • San Diego
        • Santa Fe
        • Savannah
        • Sioux
        • Springer
        • Springfield
        • St. Ignace
        • St. John
        • St. Paul
        • St. Pete
      • T-U-V >
        • Tallahassee
        • Tampa
        • Toledo
        • Trinidad
        • Ucolo
        • VA Beach
      • W >
        • Walterboro
        • Waverly
        • West Memphis
        • Wilmington
        • Wilson
        • Wrightsville
      • Y >
        • Yellowstone E
        • Yellowstone N
        • Yellowstone NE
        • Yellowstone S
        • Yellowstone W
  • Highways
    • Map of all endpoints
    • Sources
    • History
    • 1926 almost-routes
    • Intra-state routes
    • Numbering
    • Colors
    • Blog
  • Bonus
    • Colorado >
      • Lowest point
      • Antipodes
      • Toponymy >
        • Roots
      • Colloquialisms
      • Gateways
      • Populations
      • Denvers
    • Washington Meridian
    • Watersheds >
      • Headwaters Hill
      • Three Waters Mtn.
      • Parting of the Waters
    • Geo-centers >
      • 48 states
      • 50 states
    • State corners >
      • AZ-CO-NM-UT
      • CO-UT-WY
      • CO-NE-WY
      • CO northeast
      • CO-KS-NE
      • CO-KS-OK
      • CO-NM-OK
      • NM-OK-TX
      • TX northwest
    • ooss.space
  • Connect
    • Author/history
    • Rationale
    • Contact
    • Contributors
    • Submissions
  • Home
  • Store
  • Endpoints
    • US 1 - US 9 >
      • 1 >
        • 201
        • 301
        • 401 [i]
        • 401 [ii]
        • 401
        • 501
        • 601
        • 701
      • 2w >
        • 102
      • 2e >
        • 202
        • 302
      • 3
      • 4 >
        • 104
      • 5
      • 6 >
        • 106
        • 206
      • 7
      • 8
      • 9 >
        • 109*
        • 209
        • 309
    • US 10 - US 19 >
      • 10 >
        • 110
        • 210
        • 310
        • 410
      • 11 >
        • 111
        • 211
        • 311
        • 411 [i]
        • 411 [ii]
        • 411
        • 511*
        • 611
        • 711*
      • 12 >
        • 112
        • 212
        • 312
      • 13 >
        • 113
        • 213
      • 14
      • 15
      • 16 >
        • 116
        • 216
      • 17 >
        • 17-1
        • 117 [i]
        • 117
        • 217
      • 18 >
        • 118
        • 218
      • 19 >
        • 119
        • 219
        • 319
    • US 20 - US 29 >
      • 20 >
        • 120
        • 220
        • 320
        • 420
      • 21 >
        • 121 [i]
        • 121
        • 221
        • 321
        • 421
        • 521
      • 22 >
        • 122 [i]
        • 122 [ii]
        • 222
        • 322
        • 422e
        • 422w
        • 522
        • 622*
      • 23 >
        • 123 [i]
        • 123
        • 223
      • 24 >
        • 124
        • 224
      • 25
      • 26 >
        • 126
      • 27 >
        • 127
        • 227
      • 28
      • 29 >
        • 129
    • US 30 - US 39 >
      • 30 >
        • 130
        • 230
        • 330
        • 430
        • 530
        • 630*
        • 730
        • 830
      • 31 >
        • 131
        • 231
        • 331 [i]
        • 331
        • 431
      • 32
      • 33
      • 34
      • 35
      • 36 >
        • 136
      • 38 >
        • 138
    • US 40 - US 49 >
      • 40 >
        • 140
        • 240
        • 340
      • 41 >
        • 141
        • 241 [i]
        • 241 [ii]
        • 341
        • 441
        • 541
        • 641
      • 42
      • 43
      • 44
      • 45
      • 46
      • 48 [i]
      • 48 [ii]
      • 48
      • 49
    • US 50 - US 59 >
      • 50 >
        • 150
        • 250
        • 350
        • 450
        • 550
        • 650
      • 51 - 55 >
        • 51 >
          • 151
        • 52 >
          • 152
        • 53
        • 54 >
          • 154
        • 55
      • 56 >
        • 156
      • 57
      • 58 >
        • 158
        • 258
      • 59 >
        • 159
        • 259
    • US 60 - US 69 >
      • 60 >
        • 160
        • 260
        • 360
        • 460
      • 61 - 65 >
        • 61 >
          • 161
        • 62
        • 63 >
          • 163 [i]
        • 64 >
          • 164 [i]
          • 164 [ii]
          • 264
        • 65 >
          • 165
      • 66 >
        • 166
        • 266
        • 366 [i]
        • 366 [ii]
        • 466
        • 566
        • 666
      • 67 >
        • 167
      • 68 >
        • 168
      • 69 >
        • 169
    • US 70 - US 79 >
      • 70 >
        • 170
        • 270 [i]*
        • 270
        • 370
        • 470
      • 71 >
        • 171
        • 271
        • 371 [i]
        • 371
      • 72 - 76 >
        • 72
        • 73
        • 74
        • 75 >
          • 175
          • 275
        • 76 >
          • 176
          • 276
      • 77 >
        • 177
        • 277
        • 377
      • 78 >
        • 178
        • 278
        • 378
      • 79
    • US 80 - US 89 >
      • 80 - 84 >
        • 80 >
          • 180 [i]
          • 180
          • 280
          • 380
        • 81 >
          • 181
          • 281
        • 82
        • 83 >
          • 183
          • 283
          • 383
        • 84
      • 85 - 89 >
        • 85 >
          • 185
          • 285 [i]
          • 285
          • 385 [i]
          • 385
          • 485
        • 87 >
          • 187
          • 287
        • 89 >
          • 189 [i]
          • 189
    • US 90 - US 99 >
      • 90 - 94 >
        • 90 >
          • 190
          • 290
        • 91 >
          • 191
          • 491
        • 92 >
          • 192
        • 93
        • 94
      • 95 -98 >
        • 95 >
          • 195
          • 295
          • 395
        • 96 [i]
        • 96
        • 97 >
          • 197
        • 98
      • 99 >
        • 199
        • 299
        • 399
    • Anomalies >
      • 101
      • 163
      • 400
      • 412
      • 425
  • Places
    • A-L >
      • A >
        • Aberdeen
        • Albuquerque
        • Amarillo
        • Apalachicola
        • Astoria
        • Atlantic
      • B >
        • Baltimore
        • Baton Rouge
        • Bay Area
        • Bishop
        • Boone
        • Bristol
        • Brownsville
        • Brunswick
      • C >
        • Charleston
        • Chattanooga
        • Chicago
        • Cincinnati
        • Cleveland
        • Cody
        • Corpus
        • Cortez
        • Council Bluffs
        • Covington
        • Crescent
        • Cumberland Gap
      • D-E >
        • Dallas
        • Des Moines
        • Detroit
        • Dothan
        • Douglas
        • El Paso
        • Eugene
        • Erie
      • F >
        • Farmington
        • Flagstaff
        • Florence
        • Fox Valley
        • Franklin
      • G >
        • Gallup
        • Grand Junction
        • Grand Portage
        • Grayling
        • Great Falls
        • Greeley
      • H-I >
        • Hardeeville
        • Harrisburg
        • Holbrook
        • Idaho Falls
        • Int'l Falls
      • J-K >
        • Jacksonville
        • Joplin
        • Junction
        • Kansas City
        • Keokuk
        • Key West
        • Kingman
      • L >
        • Laredo
        • Lewiston
        • Long Beach
        • Los Angeles
        • Louisville
        • Lubbock
    • M-R >
      • M >
        • Mackinaw
        • Madison
        • Maryhill
        • Maysville
        • Miami
        • Midway
        • Miles City
        • Milford
        • Milwaukee
        • Minneapolis
        • Mobile 31
        • Mobile 31-43-45
        • Montgomery
        • Monticello
        • Mount Vernon
      • N-O >
        • Nags Head
        • Naples
        • Natchez
        • New Castle
        • New Orleans
        • Niagara
        • Norlina
        • Ocean City
        • Oklahoma City
      • P >
        • Pee Dee
        • Pembina
        • Pensacola
        • Petersburg
        • Philadelphia
        • Piegan
        • Pineville
        • Port Arthur
        • Portsmouth
      • Q-R >
        • Quad Cities
        • Rapid City
        • Raton
        • Reading
        • Richmond
        • Rockingham
        • Rouses Point
    • S-Z >
      • S >
        • San Antonio
        • San Antonio NM
        • San Diego
        • Santa Fe
        • Savannah
        • Sioux
        • Springer
        • Springfield
        • St. Ignace
        • St. John
        • St. Paul
        • St. Pete
      • T-U-V >
        • Tallahassee
        • Tampa
        • Toledo
        • Trinidad
        • Ucolo
        • VA Beach
      • W >
        • Walterboro
        • Waverly
        • West Memphis
        • Wilmington
        • Wilson
        • Wrightsville
      • Y >
        • Yellowstone E
        • Yellowstone N
        • Yellowstone NE
        • Yellowstone S
        • Yellowstone W
  • Highways
    • Map of all endpoints
    • Sources
    • History
    • 1926 almost-routes
    • Intra-state routes
    • Numbering
    • Colors
    • Blog
  • Bonus
    • Colorado >
      • Lowest point
      • Antipodes
      • Toponymy >
        • Roots
      • Colloquialisms
      • Gateways
      • Populations
      • Denvers
    • Washington Meridian
    • Watersheds >
      • Headwaters Hill
      • Three Waters Mtn.
      • Parting of the Waters
    • Geo-centers >
      • 48 states
      • 50 states
    • State corners >
      • AZ-CO-NM-UT
      • CO-UT-WY
      • CO-NE-WY
      • CO northeast
      • CO-KS-NE
      • CO-KS-OK
      • CO-NM-OK
      • NM-OK-TX
      • TX northwest
    • ooss.space
  • Connect
    • Author/history
    • Rationale
    • Contact
    • Contributors
    • Submissions

US 310

End of US highway 310

View a map showing this route.
Get your very own map showing all current and historic US routes!
Picture
Summa
1926-present
  • North: Laurel, MT
  • East: near Greybull, WY

US 310 has been around since the beginning in 1926; its purpose was to connect US 10 at Laurel with US 20 near Greybull.  Today there is no US 10 west of Fargo ND, but its "child" US 310 still hearkens back to its existence through Montana.  US 310 serves as an example of a north/south branch route which had to be assigned an east/west number (because it did not connect with any other north/south routes)...
Picture
c. 1927, Rand McNally
...but interestingly, Wyoming signs US 310 as an east/west route anyway.  Today US 20 west of Greybull is joined by US 14 and US 16, but the "east" terminus of US 310 remains the same -- this shot was approaching that endpoint: ​
Picture
Elbert, July 2005
The stop sign in the distance marks the actual terminus of US 310, but there was no additional route signage ahead.  These photos show the east beginning of US 310 as seen from US 14-16-20, both eastbound and westbound (respectively):
Picture
Elbert, July 2005
Picture
Elbert, July 2005

Heading to the north, there was no confirming marker for at least two miles.  But here is a photo of one trailblazer heading that direction:
Picture
Winkler, Aug. 2000
Heading into Montana from there, directional signage on US 310 changes from east-west to north-south.  Today most signs indicate that the north end of US 310 is still at its junction with old US 10 (now Business I-90) in Laurel.  This photo was looking north on US 310 and east on US 212, just south of the I-90 interchange:
Picture
Elbert, July 2009

In about 2013, the panels on that sign bridge were replaced, and instead of a US 212 shield on the right, there was an erroneous US 310 shield.  But actually US 212 and US 310 split at that point: from there US 212 is overlapped with I-90 through Billings, all the way to the Little Bighorn Battlefield.  US 310 continues north another mile or so, to its junction with Main Street, or Business I-90:
Picture
Hamilton, July 2004
​So today, although US 310 has been orphaned, its number still bears witness to the time when its parent, the once-grand US 10, ran through these parts.  Heading east on Main, the signage looks like this:
Picture
Hamilton, July 2004

It is unclear whether the "TO" banner was meant to apply only to I-90, or to US 310 as well.  Heading the opposite direction, there was a US 310 sign posted as if Business I-90 is US 310...
Picture
Elbert, July 2009
​...but probably the intention was to have a left-arrow included there, because there is no mention of US 310 on the upcoming assembly:
Picture
Elbert, July 2009

Sometime between 2009-2018 a crew replaced the highway signs in Laurel, and that "West 310" sign was simply replaced in-kind instead of being fixed:
Picture
Balaguy, 2020
Anyway, if a driver took that left turn ahead, they would not see the first confirming marker until south of I-90:
Picture
Sanderson, Mar. 2000
It seems US 310 is predominantly signed north-south in Montana, except for the "West 310" sign shown above, and except for some signage around the US 212 split at Rockvale.

Research and/or photo credits: Nathan Balaguy; Chris Elbert; Alan Hamilton; Dale Sanderson; Michael Summa; Jonathan Winkler
Page originally created 2000;
last updated Aug. 13, 2020.

Copyright © 1998-2021
Picture