These D.C. Metro lines and stations will be disrupted in the next year

Continuous single-tracking between Shady Grove and Twinbrook. Reduced service at Shady Grove and Rockville. On Saturday, August 20, and Sunday, August 21, free shuttle buses will replace Red Line trains between Grosvenor and Shady Grove to complete necessary switch rehabilitation work. As a result, White Flint, Twinbrook, Rockville and Shady Grove stations will be closed.