 Amtrak, Coaster, and Metrolink trains may stop on Platform 1, Platform 2 or Platform 3.To enhance the regional transit service, this station had major expansion including building a third track and platform in the middle of the existing tracks, extending all platforms, and adding a passenger walkway.Construction on the project began in 2016, the third platform opened in May 2017, and Platform 1 reopened November 20.