Streetcars in Washington, D.C. and Maryland Streetcars in Washington, D.C. and Maryland Streetcars and interurbans operated in the Maryland suburbs of Washington, D.C., between 1890 and 1962. Lines in Maryland were established as separate legal entities, but eventually they were all owned or leased by DC Transit (see Streetcars in Washington, D.C.). Unlike the Virginia lines, the Washington and Maryland lines were scheduled as a single system. Most of the streetcars were built with grand plans in mind, but none succeeded financially. A combination of the rise of the automobile, various economic downturns and bustitution eventually spelled the end of streetcars in southern Maryland. The Rock
Summerfield, Maryland Summerfield, Maryland Summerfield is a census-designated place near Landover in Prince George's County, Maryland, in the United States. The population of the CDP was 10,898 at the 2010 census. It is a suburb of Washington, D.C. Fedex Field is located in Summerfield CDP, as is the Prince George's County Sports and Learning Complex. Prior to the 2010 Census, the area was not covered by another census-designated place. According to the U.S. Census Bureau, Summerfield has a total area of , of which , or 0.03%, is water. The CDP is bordered to the east by the Capital Beltway (I-495/95) and