Metro will replace the entire rail interlocking (four switches) at the Pentagon City Metrorail station, replace 2,000 feet of rail, 735 ties, perform concrete and deck joint repairs along the Ronald Reagan Washington National Airport Metrorail station aerial structure, and conduct fire line.

The Blue Line will operate between the Largo Town Center and Pentagon Metrorail stations, and between the Franconia-Springfield and Braddock Road Metrorail stations. 

The Yellow Line will operate between the Greenbelt and Pentagon Metrorail stations and between the Huntington and Braddock Road Metrorail stations.

At the Pentagon Metrorail station from 9:30 p.m., Friday, Sept. 4., to closing (midnight) on Monday, Sept. 7., all Blue Line trains from the Largo Town Center Metrorail station will operate into the upper level of the station and all Yellow Line trains from the Greenbelt Metrorail station will operate into the lower level of the station.