Metrolink is the commuter rail system serving the Greater Los Angeles area of Southern California. The system is governed by the Southern California Regional Rail Authority (SCRRA) and operated under contract by Amtrak, serving five counties in the regionâÂÂOrange, Los Angeles, Riverside, San Bernardino, and VenturaâÂÂas well as the city of Oceanside in San Diego County. The network consists of 69 stations along eight lines, with a total route length of . Arrow is operated under a contract with the San Bernardino County Transportation Authority (SBCTA).