North Dakota Highway 31 marker

North Dakota Highway 31

Route information
Maintained by NDDOT
Southern segment
Length35.257 mi (56.741 km)
South end SD 65 at the South Dakota border
North end ND 21 west of Flasher
Northern segment
Length33.938 mi (54.618 km)
South end I-94 north of New Salem
North end CR 37 in Stanton
Location
CountryUnited States
StateNorth Dakota
CountiesSioux, Morton, Grant, Oliver, Mercer
Highway system
  • North Dakota State Highway System
ND 30 ND 32

North Dakota Highway 31 (ND 31) is a north–south state highway in the U.S. state of North Dakota. The southern segments southern terminus is a continuation as South Dakota Highway 65 (SD 65) at the South Dakota border, and the northern terminus is at ND 21 west of Flasher. The northern segments southern terminus is at Interstate 94 (I-94) north of New Salem and the northern terminus is a continuation as County Route 37 (CR 37) at the end of state maintenance in Stanton.[1]

The portion of ND 31 in Sioux County, in the Standing Rock Indian Reservation, divides the Mountain Time Zone to the west and the Central Time Zone to the east.[2]

Major intersections

CountyLocationmi[3]kmDestinationsNotes
Sioux0.0000.000 SD 65Beginning of southern section
GrantMorton
county line
35.25756.741 ND 21End of southern section
Gap in route
Morton0.0000.000 I-94Beginning of northern section, I-94 exit 127
Oliver17.38927.985
ND 25 east
Western terminus of ND 25
Mercer30.39348.913

ND 200A west
Southern end of ND 200A concurrency
32.26051.917

ND 200A east
Northern end of ND 200A concurrency
Stanton33.93854.618 CR 37End of northern section
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

  1. North Dakota Department of Transportation. North Dakota Route and Mileage Map (PDF) (Map). Bismarck: North Dakota Department of Transportation. Retrieved August 30, 2018.
  2. 49 CFR 71.7


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