Blue Line (Washington Metro)

Blue Line
Blue Line train at Federal Triangle in April 2019
Overview
Status	Operating
Locale	Fairfax County, Alexandria, and Arlington, VA Washington, D.C. Prince George's County, MD, U.S.
Termini	Franconia-Springfield Largo
Stations	28
Service
Type	Rapid transit
System	Washington Metro
Operator(s)	Washington Metropolitan Area Transit Authority
Rolling stock	3000-series, 6000-series, 7000-series
History
Opened	July 1, 1977; 47 years ago (1977-07-01)
Technical
Line length	30.3 mi (48.8 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 Blue Line highlighted in blue Show interactive map Legend Downtown Largo I-495 Capital Beltway Morgan Boulevard Addison Road Capitol Heights MD DC Benning Road Landover Subdivision DC 295 Anacostia Freeway to New Carrollton Anacostia River Stadium–Armory Potomac Avenue Eastern Market Capitol South First Street Tunnel to Washington Union Station I-395 Third Street Tunnel Federal Center SW to Branch Avenue L'Enfant Plaza to Greenbelt to Mount Vernon Square L'Enfant Smithsonian Federal Triangle Metro Center ( to Glenmont) McPherson Square Farragut North ( to Shady Grove) Farragut West Foggy Bottom–GWU Potomac River DC VA I-66 Custis Parkway Rosslyn to Vienna or Ashburn Arlington Cemetery 14th Street bridges (Potomac River) Pentagon I-395 Shirley Highway Pentagon City Crystal City | Crystal City National Airport Four Mile Run Potomac Yard Braddock Road King Street–Old Town | Alexandria Union Sta. to Huntington Alexandria Yard Washington Subdivision Van Dorn Street I-95 / I-495 Capital Beltway Franconia–Springfield RF&P Subdivision to Richmond Multiple services sharing track All stations are accessible This diagram: view talk edit Show route diagram

The Blue Line is a rapid transit line of the Washington Metro system, consisting of 28 stations in Fairfax County, Alexandria and Arlington, Virginia; Washington, D.C.; and Prince George's County, Maryland, United States. The Blue Line runs from Franconia–Springfield to Largo. The line shares track with the Orange Line for 13 stations, the Silver Line for 18, and the Yellow Line for six on the same segment and seven altogether. Only three stations (Franconia-Springfield, Van Dorn Street, and Arlington Cemetery) are exclusive to the Blue Line.

Trains run every 10 minutes during weekday rush hours, every 12 minutes during weekday off-peak hours and weekends, and every 15 minutes daily after 9:30pm.^[1]