U.S. Route 310

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U.S. Route 310 marker

U.S. Route 310
Route information
Auxiliary route of US 10
Length: 102.57 mi[a] (165.07 km)
47.93 mi (77.14 km) in Wyoming[1]
54.646 mi (87.944 km) in Montana[2]
Existed: 1926 – present
Major junctions
South end: US 14 / US 16 / US 20 / WYO 789 in Greybull, WY
North end: I‑90 Bus. / S-532 in Laurel, MT
Highway system

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).

Route description[edit]

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. From Cowley, the highway runs west to Deaver, then due north to Frannie, where it straddles the boundary between Big Horn County and Park County. Just to the north of Frannie, US 310 bends slightly to the west, so that the road is actually inside Park County by about 400 feet before reaching the Montana state line. At the state line, Wyoming 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.[3]

History[edit]

Historically, US 310 intersected with US 10 at Laurel. After 1986, when US 10 was decommissioned west of West Fargo, North Dakota, US 310 no longer connected to its "parent" route.

Major intersections[edit]

State County Location mi km Destinations Notes
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 43.50 US 14A east South end of US 14A overlap
28.77 46.30 WYO 32 south
  30.23 48.65 US 14A west North end of US 14A overlap
Cowley 34.16 54.98 WYO 35 south
Deaver 40.14 64.60 WYO 114 west
Park
No major junctions
  47.93
0.000
77.14
0.000
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

Notes[edit]

  1. ^ Mileage is a summation of each state's length

References[edit]

Route map: Bing

  1. ^ "Reference Marker Book" (PDF). Wyoming Department of Transportation. November 2004. Retrieved April 12, 2012. 
  2. ^ "Montana Road Log" (PDF). Montana Department of Transportation. 2011. Retrieved April 12, 2012. 
  3. ^ Google (December 23, 2013). "US 310" (Map). Google Maps. Google. Retrieved December 23, 2013. 
Browse numbered routes
US 287 MT US 312
WYO 296 WY WYO 310