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Baltimore-Washington

The Baltimore–Washington Parkway (also referred to as the B–W Parkway) is a highway in the U.S. state of Maryland, running southwest from Baltimore to Washington, D.C. The road begins at an interchange with U.S. Route 50 and Maryland Route 201 near Cheverly in Prince George's County at the D.C. border, and continues northeast as a parkway maintained by the National Park .