 The Special Event Line was eliminated; instead, the Green Line will add cars and offer more frequent service to Petco Park, San Diego Convention Center, SDCCU Stadium and Viejas Arena at San Diego State University when necessary.The Old Town Transit Center hosts passenger trains operating on Amtrak's "Pacific Surfliner" intercity rail route and on the San Diego Coaster commuter rail line.Of the 22 weekday Amtrak "Pacific Surfliner" trains operating in San Diego, 18 of them stop at the Old Town Transit Center, though the Surfliner trains operating at Old Town do not offer checked luggage service, and stop at Old Town to board passengers (northbound trains) or detrain passengers (southbound trains) only, respectively.