There will be major delays on the Metro Friday evening through Saturday for track maintenance.
On the Red Line trains will share one track between Shady Grove and Twinbrook.
On the Blue and Orange lines, trains will single track between Eastern Market and Stadium-Armory.
Also, Orange Line trains will share one track between Vienna and West Falls Church.
On the Blue and Yellow lines, trains will single track between National Airport and Braddock Road.
All of these projects will start Friday evening at 10 p.m. and last through Saturday night. The work will be wrapped up just in time for Sunday's dedication of the Martin Luther King Junior Memorial.
Metro will open two hours early on Sunday, at 5 a.m.
