Louisiana Highway 2 Alternate (LA 2 Alt.) is a state highway located in northern Louisiana that runs 43.1 miles (69.4 km) in a west–east direction from Shongaloo to Bernice, connecting to its parent route at either end. LA 2 Alternate parallels the route of LA 2 to the north, traveling through the town of Haynesville where it intersects U.S. Highway 79 (US 79). It is the only "Alternate" state route in Louisiana.