On the Red Line, Bethesda and Medical Center stations will close and no trains will run between Friendship Heights and Grosvenor-Strathmore. Metro will offer shuttle buses between the closed stations, or riders can use the Silver Spring and Glenmont side of the Red Line instead.
Due to the work, the last train from Shady Grove on Saturday night is scheduled to leave at 11:45 p.m., 40 minutes earlier than usual.
On the Yellow Line, no trains will run north of Reagan National Airport due to concrete work on the bridge between the Pentagon and L’Enfant Plaza stations. Yellow Line trains will run between Huntington and Reagan National Airport. Riders can use the Blue Line to travel between the airport, Pentagon and D.C.
Both Red and Yellow line shutdowns return next weekend too, and the Red Line work is scheduled to continue for an additional weekend after that.
No other track work is scheduled during the day this weekend, but the Blue and Silver lines are scheduled to use a single track beginning around 10 p.m. each night.
As a reminder, the rail system now closes at 11:30 p.m. on weeknights and 1 a.m. on Friday and Saturday nights. Trains runs from 8 a.m. to 11 p.m. on Sundays.
Crews are scheduled to block one of the two southbound lanes between Interstate 195 and Maryland Route 100 from 9 p.m. Friday night through as late as 5 a.m. Monday.
Last weekend, the work created significant delays and Interstate 95 or U.S. Route 1 were better options. Travelers leaving the airport also have the option of getting on the parkway beyond the work by driving past the airport’s rail station to use Maryland Route 100.
Also in Maryland, two northbound and one southbound lanes of Rockville Pike will be closed between Woodmont Avenue and Wilson Drive at Medical Center between 10 p.m. on Friday and 5 a.m. on Monday. Various lanes will be closed in this area over the next three weekends.
In Virginia, significant detours are planned overnight along the Dulles Greenway and Dulles Toll Road as pedestrian bridges are installed over the road to connect to the new Silver Line stations.
Weather permitting, the eastbound Dulles Greenway is scheduled to be closed near Old Ox Road from 10 p.m. Friday night to 6 a.m. Saturday. The backup date is the same times from Saturday into Sunday. Traffic will be sent onto Old Ox Road/Route 606.
As part of the work, eastbound traffic from Dulles Airport will be detoured onto the toll road between Route 28 and Centreville Road. After midnight, some traffic will be slowed as the pedestrian bridge is moved to the station site. This could affect traffic in both directions on the toll road and on westbound Greenway ramps.
Like WTOP on Facebook and follow @WTOP on Twitter to engage in conversation about this article and others.