State Highway 20 or SH 20 is a 78.1-mile (125.7 km) highway maintained by the Texas Department of Transportation (TxDOT) that runs from New Mexico State Road 460 at the state line between Texas and New Mexico at Anthony in El Paso County to Interstate 10 at McNary in Hudspeth County. The route passes through the city of El Paso as well as suburban and rural farming communities along the Rio Grande.