Metrolink is the commuter rail system serving Los Angeles, California, United States and the greater Los Angeles area of Southern California. The system is governed by the Southern California Regional Rail Authority and operated under contract by Amtrak, serving five counties in the region—Orange, Los Angeles, Riverside, San Bernardino, and Ventura—as well as Oceanside in San Diego County. The system stops at 62 stations along seven lines, with a total route length of 534 miles (859 km).