Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Dorsey is a passenger rail station on the MARC Camden Line between Washington, DC and Baltimore's Camden Station. The station is located at Exit 7 on Maryland Route 100, a.k.a.; the Paul T. Pitcher Memorial Highway. It was built by MARC as a replacement for a former Baltimore and Ohio Railroad station located next to a bridge over Maryland Route 103. MARC, known prior to 1984 as Maryland Rail Commuter Service, is a regional rail system comprising three lines in the Baltimore-Washington Metropolitan Area.