Capital Subdivision Capital Subdivision The Capital Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. state of Maryland and the District of Columbia. The line runs from near Baltimore, Maryland southwest to Washington, D.C. along the former Baltimore and Ohio Rail Road (B&O) Washington Branch. The subdivision's Alexandria Extension provides a connection to Virginia and points south. The northeast end of the line is at Halethorpe, Maryland, just north of the historic Thomas Viaduct, where it meets the Baltimore Terminal Subdivision and the Old Main Line Subdivision. Its southwest end is at the yard north of Union
Maryland Route 214 MD 214 is a part of the National Highway System as an intermodal connector between the Addison Road Metro station and the Capital Beltway. The highway is a National Highway System principal arterial from Southern Avenue to the Addison Road Metro station, from the Capital Beltway to US 301, and from Vicksburg Road near Davidsonville to Shoreham Beach Road in Beverley Beach. Central Avenue from Washington east to Edgewater was planned as one of the original state roads laid out by the Maryland State Roads Commission in 1909. This road followed most of MD 214's present alignment from Capitol Heights