 US 11W and US 421 diverge an at intersection with Tennessee State Route 1 (State Street) at the state line.US 11W continues into Bristol, Tennessee as State Street while US 421 heads northwest on Gate City Highway.The U.S. Highway passes the Bristol Mall before meeting I-81 at a partial cloverleaf interchange, where US 58 exits I-81 and joins US 421 in a concurrency.