Bus service for the campus of Stanford University, with routes that serve the Palo Alto Transit Center (Caltrain), Stanford Shopping Center, and San Antonio Shopping Center (Mountain View). Service is offered year round, with fewer services available nights, weekends, holidays, and school breaks. Major routes use full size buses, with feeders and minor lines served by cutaways or van conversions. Parking & Transportation Services (P&TS) administers the Marguerite Shuttle, which is operated as of 2012 by Veolia.