U.S. Route 310
|Auxiliary route of US 10|
|Length:||102.57 mi[a] (165.07 km)
47.93 mi (77.14 km) in Wyoming
54.646 mi (87.944 km) in Montana
|Existed:||1926 – present|
|South end:||US 14 / US 16 / US 20 / WYO 789 in Greybull, WY|
|North end:||I‑90 Bus. / S-532 in Laurel, MT|
U.S. Route 310 (US 310) is a spur of U.S. Route 10. It runs for 108 miles (174 km) from Laurel, Montana to Greybull, Wyoming. It passes through the states of Montana and Wyoming. Near the town of Lovell, Wyoming, US 310 is concurrent with US 14A for approximately 3 miles (4.8 km).
US 310 starts at a junction with US 14, US 16, and US 20 west of Greybull; Highway 789 continues north along US 310 through the desert. Near the town of Lovell, US 310 passes by Lovell Lakes before turning west through a brief stretch of farmland that extends into Cowley. The highway continues due north into Montana, where Highway 789 ends and US 310 continues northwest into the desert. At the junction with Montana Highway 72, US 310 turns north, passing through farmland and the towns of Bridger and Fromberg before running concurrently with US 212. The highway enters the city of Laurel, where US 212 continues onto I-90, and US 310 ends at Main Street.
|Wyoming||Big Horn||Greybull||0.00||0.00||US 14 / US 16 / US 20 / WYO 789 south||South end of WYO 789 overlap|
|Lovell||27.03||16.80||US 14A east||South end of US 14A overlap|
|28.77||17.88||WYO 32 south|
|30.23||18.78||US 14A west||North end of US 14A overlap|
|Cowley||34.16||21.23||WYO 35 south|
|Deaver||40.14||24.94||WYO 114 west|
||No major junctions|
|Wyoming–Montana state line|
|Montana||Carbon||Bridger||24.700||39.751||MT 72 south|
|Rockvale||42.628||68.603||US 212 west||South end of US 212 overlap|
|Yellowstone||Laurel||54.154||87.152||I‑90 / US 212 east||North end of US 212 overlap|
|54.646||87.944||I‑90 Bus. (Main Street) / S-532|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi
- Mileage is a summation of each state's length
|Wikimedia Commons has media related to U.S. Route 310.|
- "Reference Marker Book" (PDF). Wyoming Department of Transportation. November 2004. Retrieved April 12, 2012.
- "Montana Road Log" (PDF). Montana Department of Transportation. 2011. Retrieved April 12, 2012.
- Google Inc. "US 310". Google Maps (Map). Cartography by Google, Inc. https://maps.google.com/maps?q=Laurel,+MT&hl=en&ll=45.356005,-108.369141&spn=2.115307,4.905396&sll=46.468133,-116.575928&sspn=4.146769,9.810791&oq=laurel,+&t=h&hnear=Laurel,+Yellowstone,+Montana&z=8. Retrieved December 23, 2013.
|Browse numbered routes|
|← US 287||MT||US 312 →|