North Dakota Department of Transportation to Hawaii). Despite the small size of the Department, North Dakota has more registered vehicles than there are residents of the state. The Director is Tom Sorel, and the central office is located on the North Dakota State Capitol grounds in Bismarck. Until the 1990s, the agency was known as the North Dakota Highway Department. North Dakota Department of Transportation The North Dakota Department of Transportation (NDDOT) is a part of the government of the U.S. state of North Dakota. NDDOT oversees the state's transportation system. This includes planning both new construction and reconstruction projects on roads and highways throughout
U.S. Route 12 in North Dakota run concurrently for a short distance through the city. U.S. Route 12 in North Dakota U.S. Route 12 (US 12) is a part of the U.S. 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. 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 on rural segments, with slower posted speeds within the cities of Marmarth, Rhame, Bowman, Scranton and Hettinger. US 12