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The Yellow Line of the Washington Metro consists of 17 rapid transit stations from Huntington or Franconia Springfield in Virginia to either Mount Vernon Square (where most peak hours trains terminate), Fort Totten (at all times, but with limited peak hours service) or Greenbelt (served only during peak hours). During rush hours, a small handful of trains run from Franconia Springfield to Greenbelt and the final two trains which depart from Huntington before afternoon peak service continue north to Greenbelt. Additional Yellow Line trains may continue passenger service to Greenbelt during off-peak hours and weekends in order to stage them for Green Line service or for storage at the Greenbelt rail yard.〔http://greatergreaterwashington.org/post/15099/how-will-rush-plus-affect-the-yellow-line〕 In non rush/peak hours, almost all regularly scheduled trains run to Fort Totten. As a result of Metro's "Rush Plus" services, started on June 18, 2012, the Yellow Line now sees some peak hours trains ending at Greenbelt in Maryland and some trains originating from Franconia Springfield in Virginia. The additional result of Rush Plus is that the section of the Yellow Line between Shaw–Howard University and Fort Totten sees more off-peak hours service than peak hours service from the Yellow Line, however, all stations along that section are also served by the Green Line.〔 The line starts in Fairfax County, Virginia, crosses the Capital Beltway, joins the Blue line, and goes through Alexandria and Arlington, it leaves the Blue Line as it crosses the Potomac River, and continues north into the District of Columbia, and then Maryland, during peak hours. The line shares tracks with the Green Line from L'Enfant Plaza northward to Fort Totten and Greenbelt. It is a quick link between downtown Washington and National Airport, and shares nearly all of its track with either the Green or Blue Line. The Yellow Line has only two stations that are not shared by any other lines (Eisenhower Avenue and Huntington), and only two sections of track that are not shared by any other lines – the section at the south end of the line, and the section between the Pentagon and L'Enfant Plaza stations, crossing the Potomac. == Route == The Southern terminus of the Yellow Line is adjacent to Kings Highway (Virginia Route 241) in Fairfax County, Virginia.〔 The line heads northeast on a bridge over Hunting Creek and the Washington Beltway (Interstate 95) to a station just south of Eisenhower Avenue, which serves a number of government office buildings including the United States Patent Office. The Yellow Line then merges with the Blue Line and follows the right-of-way of the CSX Railroad through the City of Alexandria.〔 The line enters a short tunnel under U.S. Route 1. After crossing a bridge over Four Mile Run, the line enters Arlington County on an elevated structure above the National Airport parking lots.〔(【引用サイトリンク】title=Potomac Yards Metrorail Station EIS )〕 At the north end of the airport, the Yellow Line enters a tunnel under 18th Street South and South Hayes Street.〔 The tunnel continues along the southwest face of the Pentagon which is a two level station to facilitate a fork with the Blue Line. After the Pentagon station, the Yellow Line emerges from its tunnel east of the Pentagon and crosses the Charles R. Fenwick Bridge over the George Washington Memorial Parkway, the Potomac River, and Ohio Drive.〔 At the end of the bridge, the Yellow Line re-enters a tunnel near the Jefferson Memorial and crosses under the Washington Channel.〔 The tunnel merges with the Green Line tunnel under 7th Street Southwest just south of the L'Enfant Plaza.〔 The joint Yellow Line — Green Line tunnel continues north through downtown Washington under 7th Street, turns west under Florida Avenue and U Street, and then north under 14th Street Northwest.〔 The tunnel then turns toward the northeast under Park Road and New Hampshire Avenue.〔 The tunnel then bends eastward under Rock Creek Cemetery and Fort Totten Park to emerge just before entering the lower level of the Fort Totten station. The track continues northeast as just the Green Line to the Greenbelt terminus. The Yellow Line needs 10 six-car trains (60 rail cars) to run at peak capacity. Internally, the Yellow Line in Virginia was called the "Huntington Route" (C) and the route through the District of Columbia and beyond to Greenbelt as the "Greenbelt Route" (E).〔Schrag at p. 188.〕 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「Yellow Line (Washington Metro)」の詳細全文を読む スポンサード リンク
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