Updated post at 7:20 a.m.

Normal service has resumed on Metro’s Red and Silver lines.

Updated post at 6:36 a.m.

Metro said the Red Line is no longer single-tracking trains.

An alert said residual delays would continue in both directions because of the earlier track problem at Forest Glen station.

Updated post at 5:54 a.m.

Riders should also expect delays on Metro’s Silver Line Thursday morning.

Metro said the delay is due to a signal problem outside Wiehle-Reston East station.

Original post at 5:51 a.m.

Metro riders can expect delays Thursday morning on Metro’s Red Line, with trains single-tracking.

Trains are single-tracking between the Silver Spring and Forest Glen stations because of a track problem outside the Forest Glen station.

Metro said to expect delays in both directions.

For more transportation-related news, go to Dr. Gridlock.