22-06-1992:
Manassas Line > Union Station
- Broad Run/Airport
20-07-1992: Fredericksburg Line > Union
Station - Fredericksburg
16-11-2015: Fredericksburg Line > Fredericksburg - Spotsylvania
Metro (WMATA)
29-03-1976: Red Line >
Rhode Island Ave-Brentwood - Farragut
North
15-12-1976: Red Line > Gallery
Pl-Chinatown station added
17-01-1977: Red Line > Farragut
North - Dupont Circle
01-07-1977: Blue Line > Stadium-Armony
- Ronald Reagan Washington National Airport
06-02-1978: Red Line > Rhode
Island Ave-Brentwood - Silver Spring
20-11-1978: Blue Line > Stadium-Armony
- New Carrollton
01-12-1979: Blue Line > Stadium-Armony
- New Carrollton service withdrawn
01-12-1979: Orange Line > (New
Carrollton) - Rosslyn - Ballston-MU
22-11-1980: Blue Line > Stadium-Armony
- Addison Road-Seat Pleasant
05-12-1981: Blue Line > Stadium-Armony
- New Carrollton and Stadium-Armony
- Addison Road-Seat Pleasant service
withdrawn
05-12-1981: Orange Line > Stadium-Armony
- Addison Road-Seat Pleasant and Stadium-Armony
- New Carrollton service withdrawn
15-12-1981: Red Line > Dupont
Circle - Van Ness-UDC
30-04-1983: Yellow Line > (Ronald
Reagan Washington National Airport) - Pentagon
- Gallery Pl-Chinatown
17-12-1983: Blue Line > Stadium-Armony
- Addison Road-Seat Pleasant and Stadium-Armony
- New Carrollton service withdrawn
17-12-1983: Orange Line > Stadium-Armony
- New Carrollton and Stadium-Armony
- Addison Road-Seat Pleasant service
withdrawn
17-12-1983: Yellow Line > Ronald
Reagan Washington National Airport - Huntlington
25-08-1984: Red Line > Van
Ness-UDC - Grosvenor-Strathmore
15-12-1984: Red Line > Grosvenor-Strathmore
- Shady Grove
07-06-1986: Orange Line > Ballston-MU
- Vienna/Fairfax-GMU
22-09-1990: Red Line > Silver
Spring - Wheaton
11-05-1991: Yellow Line > Gallery
Pl-Chinatown - U St/African Amer Civil
War Memorial/Cardozo
15-06-1991: Blue Line > (Ronald
Reagan Washington National Airport) - King
Street - Van Dorn Street
28-12-1991: Yellow Line > U
St/African Amer Civil War Memorial/Cardozo - Mt
Vernon Sq/7th St-Convention Center service
withdrawn
28-12-1991: Green Line > (U
St/African Amer Civil War Memorial/Cardozo) - LŽEnfant
Plaza - Anacostia
11-12-1993: Green Line > Fort
Totten - Greenbelt
30-06-1997: Blue Line > Van
Dorn Street - Franconia-Springfield
25-07-1998: Red Line > Wheaton
- Glenmont
18-09-1999: Green Line > U
St/African Amer Civil War Memorial/Cardozo - Fort
Totten
13-01-2001: Green Line > Anacostia
- Branch Avenue
20-11-2004: Red Line > New
York Ave-Florida Ave-Gallaudet U station added
20-12-2004: Blue Line > Addison
Road-Seat Pleasant - Largo Town Center
31-12-2006: Yellow Line > (Mt
Vernon Sq/7th St-Convention Center) - (Fort
Totten)
26-07-2014: Silver Line > (Largo Town Center) - East
Falls Church - Wiehle-Reston East
People Mover (Metropolitan Washington Airports Authority)
26-01-2010: AeroTrain > Concourse C - Concourse B
Tramway (dcstreetcar)
27-02-2016: H/Benning Line > Union Station - Oklahoma Ave/Benning Rd (+3.9 km)
