High Quality Content by WIKIPEDIA articles! U.S. Route 183 is a north–south United States highway. U.S. 183 was the last US route to be completely paved. The 20 mile (32 km) segment in Loup County, Nebraska, north of Taylor, was unpaved until 1967. The highway`s northern terminus is in Presho, South Dakota, at an intersection with Interstate 90. Its southern terminus is in Refugio, Texas, at the southern intersection of U.S. Highway 77 and Alternate US 77. US 183 and Alt US 77 overlap for their final 80 miles (129 km) between Cuero and Refugio.