MARC Train
The MARC Train (Maryland Area Rail Commuter) train service has two lines that traverse Prince George's County. The Camden Line, which runs between Baltimore Camden Station and Washington Union Station and has six stops in the county at Riverdale, College Park, Greenbelt, Muirkirk, Laurel and Laurel Race Track. The Penn Line runs on the Amtrak route between Pennsylvania and Washington Union stations. It has three stops in the county: Bowie, Seabrook and New Carrollton.