North Dakota Highway 31 (ND 31) is a north–south state highway in the U.S. state of

North Dakota North Dakota () is a U.S. state in the Upper Midwest, named after the indigenous Dakota Sioux. North Dakota is bordered by the Canadian provinces of Saskatchewan and Manitoba to the north and by the U.S. states of Minnesota to the east, So ...

. The southern segments southern terminus is a continuation as South Dakota Highway 65 (SD 65) at the

South Dakota South Dakota (; Sioux: , ) is a U.S. state in the North Central region of the United States. It is also part of the Great Plains. South Dakota is named after the Lakota and Dakota Sioux Native American tribes, who comprise a large porti ...

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. The portion of ND 31 in Sioux County, in the Standing Rock Indian Reservation, divides the

Mountain Time Zone The Mountain Time Zone of North America keeps time by subtracting seven hours from Coordinated Universal Time (UTC) when standard time ( UTC−07:00) is in effect, and by subtracting six hours during daylight saving time ( UTC−06:00). The ...

to the west and the

Central Time Zone The North American Central Time Zone (CT) is a time zone in parts of Canada, the United States, Mexico, Central America, some Caribbean Islands, and part of the Eastern Pacific Ocean. Central Standard Time (CST) is six hours behind Coordina ...

to the east.

Major intersections

References

031 Transportation in Sioux County, North Dakota Transportation in Grant County, North Dakota Transportation in Morton County, North Dakota Transportation in Oliver County, North Dakota Transportation in Mercer County, North Dakota {{NorthDakota-road-stub