Trains are single-tracking between NoMa-Gallaudet and Fort Totten stations.
The blocks between H and K streets and 14th Street and Vermont Avenue were closed to traffic. The Vermont Avenue entrance of the McPherson Square Metro station also was closed .
A pedestrian was struck Thursday morning, leading to traffic delays near Gallery Place, police said.
Red line trains are facing 25- to 30-minute delays in both directions due to a disabled train outside Bethesda.
The ramp from the 11th Street Bridge to northbound Interstate 295 opened Wednesday afternoon
The Maryland State Highway Administration says afternoon and evening driving may be slow, and possibly slippery.
The transit authority needs to assure riders that the trains will run when Metro says they will run.
A driver complains that travelers err by being overly courteous.
Eyes will be on three big events: the AIDS Walk, the Marine Corps Marathon and Hurricane Sandy.
But he fears roadway courtesy is not contagious among other travelers.