Photo by PoPville flickr user pablo.raw

From WMATA:

Work to rebuild the Metrorail system will continue over Labor Day weekend (August 31 through September 3) with scheduled track work on the Red, Orange and Blue lines. The work will begin at 10 p.m. Friday and continue through system closing on Monday (Labor Day).

A previously scheduled shutdown on the Green and Yellow over Labor Day weekend has been cancelled due to Nationals home games at Navy Yard. Green and Yellow line service will operate on a regular weekend schedule.

Red Line trains will single track between Rhode Island Avenue and Fort Totten to allow for platform reconstruction. Throughout the weekend, Red Line trains will operate between Shady Grove and Glenmont every 15 minutes in each direction. On Saturday and Sunday, between 9:30 a.m. and 9 p.m., additional trains will operate between Shady Grove and NoMa-Gallaudet U stations, providing service an average of every 7-8 minutes between these stations. Red Line customers traveling through the work zone should allow about 10 minutes of additional travel time.

Orange Line trains will single track between between Stadium-Armory and Cheverly to allow for platform reconstruction. Throughout the weekend, Orange Line trains will operate every 20 minutes in each direction. Customers should allow 10 minutes of additional time.

Blue Line trains will single track between Arlington Cemetery and Foggy Bottom stations to allow for structural rehabilitation of the track bed and leak mitigation. Throughout the weekend, Blue Line trains will operate every 20 minutes in each direction. Customers should allow 10 minutes of additional time.