March 27, 1976

5 TOTAL STATIONS

After six years of work, Metrorail opens its first 4.2-mile segment of the Red Line between Rhode Island Avenue and Farragut North.

Dec. 1, 1979

38 TOTAL STATIONS

The Orange Line begins service to Ballston, adding four stations—Court House, Clarendon, Virginia Sq-GMU and Ballston—and 2.63 miles to system.

Aug. 25, 1984

54 TOTAL STATIONS

Red Line begins operating 6.81-mile segment to Grosvenor, including Tenleytown-AU, Friendship Heights, Bethesda and Medical Center stations.

Sept. 22, 1990

64 TOTAL STATIONS

Red Line is extended to Wheaton, opening up some of the deepest stations in the system, Forest Glen (the deepest) and Wheaton.

Dec. 11, 1993

75 TOTAL STATIONS

Service begins service on 7.96-mile Green Line segment that includes West Hyattsville, Prince George’s Plaza, College Park-U of Md and Greenbelt stations. It connects with Red Line at Fort Totten. This completes 89.5 miles of the 103-mile system.

Jan. 13, 2001

84 TOTAL STATIONS

A five-station, 6.5-mile segment to Branch Ave. opens, completing the 103-mile, 83-station Metrorail System. Two opening ceremonies are held, one each at Congress Heights and Branch Ave stations. The segment was built in five years.

Dec. 18, 2004

86 TOTAL STATIONS

The Blue Line is extended to Largo Town Center. The segment adds 3.2 miles to the system and is the last significant extension of Metrorail until 2014.

July 26, 2014

91 TOTAL STATIONS

The Silver Line opens to the public, extending Metrorail from Largo Town Center to Wiehle-Reston. The system has currently 117 miles.