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
South Dakota Highway 15 South Dakota Highway 15 South Dakota Highway 15 (SD 15) is a state highway in the northeastern part of the U.S. state of South Dakota. It connects Clear Lake, Milbank, and Wilmot. SD 15 originally traveled from the Nebraska state line to the North Dakota state line. It followed what would eventually become U.S. Route 77 (US 77), which had been designated before 1931. Part of its path went north from Wilmot to Sisseton, then north to Hammer, along US 81's former path, west to Claire City, north to the North Dakota state line north of Claire City, where it