The regional commuter rail system connecting Los Angeles, Orange, Riverside, San Bernardino, Ventura and San Diego counties. The system started operation with the opening of the San Bernardino, Santa Clarita and Ventura County Lines on October 26, 1992. Inter-county commuter rail system established and operated under the authority of the Southern California Regional Rail Authority (SCRRA), using contracted service providers. Currently, AMTRAK is contracted to operate the system. Also see SCRRA.