U.S. Route 12 in North Dakota

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U.S. Highway 12

     US 12
Route information
Maintained by NDDOT
Length87.470 mi[1] (140.769 km)
Major junctions
West end US 12 at the Montana state line
Major intersections
East end US 12 at the South Dakota state line
CountryUnited States
StateNorth Dakota
CountiesSlope, Bowman, Adams
Highway system
  • North Dakota State Highway System
ND 11 ND 13

U.S. Route 12 (US 12) is a part of the United States Numbered Highway System that travels from Aberdeen, Washington, to Detroit, Michigan. In the state of North Dakota, US 12 extends from the Montana border east to the South Dakota border.

Route description

Throughout the state, US 12 is a two-lane undivided highway that runs through Adams, Bowman, and Slope counties in southwest North Dakota. The speed limit is 65 mph (105 km/h) on rural segments, with slower posted speeds within the cities of Marmarth, Rhame, Bowman, Scranton, and Hettinger. US 12 meets with US 85 in Bowman, and the routes run concurrently for a short distance through the city.[1]

Major intersections

SlopeBucklin Township0.0000.000
US 12 west – Baker
Continuation into Montana
US 85 south – Belle Fourche
Western end of US 85 concurrency
US 85 north – Belfield
Eastern end of US 85 concurrency
ND 67 north – Scranton
Southern terminus of ND 67
AdamsReeder Township56.11290.304
ND 22 south – State Line
Western end of ND 22 concurrency
township line
ND 22 north – New England, Dickinson
Eastern end of ND 22 concurrency
Hettinger Township73.455118.214
ND 8 south – Lodgepole
Western end of ND 8 concurrency
Clermont Township81.540131.226
ND 8 north / Haynes Road south – Mott, Haynes
Eastern end of ND 8 concurrency
US 12 east – Lemmon
Continuation into South Dakota
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b c North Dakota Department of Transportation (2014). North Dakota Route and Mileage Map (PDF) (Map). Bismarck: North Dakota Department of Transportation. Retrieved August 30, 2018.

External links

U.S. Route 12
Previous state:
North Dakota Next state:
South Dakota