12/12/2024
U.S. Highway 171 (US 171) is a significant highway within the United States Numbered Highway System, and it is the only U.S. route located entirely within the state of Louisiana. The highway spans 177.44 miles (285.56 km) in a north-south direction, providing an important transportation corridor across the state.
The southern terminus of US 171 is at the junction of US 90 and Louisiana Highway 14 (LA 14) in Lake Charles, located in the southwestern part of Louisiana.
The northern terminus is in Shreveport, where it intersects US 79/US 80 and Louisiana Highway 3094, situated in the northwestern part of the state.
Throughout its route, US 171 connects several communities and offers access to key locations across Louisiana, playing a vital role in local and regional transportation.