High Quality Content by WIKIPEDIA articles! The Orange County Transportation Authority (OCTA) is the public sector transportation planning body and mass transit service provider for Orange County, California. Its ancestor agencies include not only the prior Orange County Transit District but also such diverse entities as the Pacific Electric Railway and the South Coast Transit Corporation. In 2005, OCTA was judged America`s Best Public Transportation System by the American Public Transportation Association, for its record ridership gains in the bus and the Metrolink commuter trains that it operates or funds. OCTA also operates the 91 Express Lanes.