Orange Line (Washington Metro)

Orange Line
An Orange Line train at Smithsonian station in July 2019
Overview
Status	Operating
Locale	Fairfax County Arlington Washington, D.C. Prince George's County, MD
Termini	Vienna New Carrollton
Stations	26
Service
Type	Rapid transit
System	Washington Metro
Operator(s)	Washington Metropolitan Area Transit Authority
Rolling stock	3000-series, 6000-series, 7000-series
History
Opened	November 20, 1978; 45 years ago (November 20, 1978)
Technical
Line length	26.4 mi (42.5 km)
Number of tracks	2
Character	At-grade, elevated, and underground
Track gauge	4 ft 8+1⁄4 in (1,429 mm)
Electrification	Third rail, 750 V DC
Route map Orange Line highlighted in orange Show interactive map Legend I-66 Vienna Dunn Loring I-495 Capital Beltway Falls Church Yard West Falls Church to Ashburn East Falls Church Ballston–MU Virginia Square–GMU Clarendon Court House to Franconia–Springfield Rosslyn I-66 Custis Parkway Potomac River VA DC Foggy Bottom–GWU Farragut West Farragut North ( to Shady Grove) McPherson Square Metro Center ( to Glenmont) Federal Triangle Smithsonian RF&P Subdivision to Virginia L'Enfant Plaza () L'Enfant Federal Center SW I-395 Third Street Tunnel First Street Tunnel to Union Station Capitol South Landover Subdivision Eastern Market Potomac Avenue Stadium–Armory Anacostia River to Downtown Largo DC 295 Anacostia Freeway Minnesota Avenue Deanwood DC MD Landover Subdivision Alexandria Extension Amtrak NEC and MARC Penn Line to Union Station Cheverly Landover US 50 New Carrollton New Carrollton Yard Amtrak NEC and MARC Penn Line to Baltimore Multiple services sharing track All stations are accessible This diagram: view talk edit Show route diagram

The Orange Line is a rapid transit line of the Washington Metro system, consisting of 26 stations in Fairfax County and Arlington in Northern Virginia; Washington, D.C.; and Prince George's County, Maryland, United States. The Orange Line runs from Vienna in Virginia to New Carrollton in Maryland. Half of the line's stations are shared with the Blue Line and over two thirds are shared with the Silver Line. Orange Line service began on November 20, 1978.