(This article is about the section of U.S. Route 83 in Texas. For the entire route, see U.S. Route 83.)(See also: Interstate 2 and Interstate 69E) U.S. Highway 83 (US 83), dedicated as the Texas Vietnam Veterans Memorial Highway, is a U.S. Highway in the U.S. state of Texas that begins at US 77 (Interstate 69E, I-69E) in Brownsville and follows the Rio Grande to Laredo, then heads north through Abilene to the Oklahoma border north of Perryton, the seat of Ochiltree County. It is the longest highway in Texas at a length of about 895 miles (1,440 km), besting the east–west I-10, which has a length of 879 miles (1,415 km).