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〕 |established= |maint=NPS |direction_a=South |direction_b=North |section1=Southern segment |terminus_a1= in Mount Vernon, VA |terminus_b1= in Alexandria, VA |section2=Northern segment |terminus_a2= in Alexandria, VA |junction2= in Arlington, VA in Washington, DC in Arlington, VA in Arlington, VA in McLean, VA |terminus_b2= in Langley, VA |system= All-American Road |states=Virginia, District of Columbia }} The George Washington Memorial Parkway, colloquially the "GW Parkway", is a parkway that runs along the south bank of the Potomac River from Mount Vernon, Virginia, northwest to Langley, Virginia, and is maintained by the National Park Service (NPS). Located almost entirely within Virginia, except for a short portion of the parkway northwest of the Arlington Memorial Bridge that passes over Columbia Island within the District of Columbia. The parkway is separated into two sections joined by Washington Street (State Route 400, SR 400) in Alexandria. A third section, which is the Clara Barton Parkway, runs on the opposite side of the Potomac River in the District of Columbia and suburban Montgomery County, Maryland. A fourth section was originally proposed for Fort Washington, Maryland, but never built. The parkway has been designated an "All-American Road". Virginia's state designation for the Parkway is State Route 90005. ==Route description== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「George Washington Memorial Parkway」の詳細全文を読む スポンサード リンク
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