The Washington Metropolitan Area Transit Authority is a government agency that operates transit service in the Washington, D.C.metropolitan area. WMATA provides rapid transit service, as well as fixed-route bus, a paratransit service, and is part of the public-private partnership that operates the DC Circulator bus system.
Virginia Railway Express provides commuter rail service from the Northern Virginia suburbs to Alexandria, Crystal City and downtown Washington, D.C., along the I-66 and I-95 corridors. The service operates 29 trains from 18 stations and carries an average of 16,000 passengers daily.
The Southeastern Pennsylvania Transportation Authority (SEPTA) is a regional public transportation authority that operates bus, subway / elevated rail line, commuter and light rail line, and electric trolleybus services to nearly 4 million people in five counties in and around Philadelphia, Pennsylvania.