Route 503 serves Seco Canyon residents who use Metrolink to commute to their jobs. Each morning, Route 503 will pick up people on Seco Canyon Road and take them to the Santa Clarita Metrolink Station in time to catch their train. At night, Station Link will be there to bring them home again. Late train? No problem! Route 503 will wait until the train arrives. Route 503 connects with other Santa Clarita Transit commuter express and local routes at the Metrolink station on Soledad Canyon Road.