 South of Riverside the track is still in place to Perris, where the Orange Empire Railway Museum has a connection to the mainline.This section is being rehabilitated to the Perris Valley Line, an extension of Metrolink 91 Line service to stations at Hunter Park, March Air Reserve Base, Perris, and South Perris.At the southern end the section between San Diego and Oceanside also sees heavy use by Amtrak California's "Pacific Surfliner" trains as well as those of the San Diego Coaster.