The National Disability Rights Network inspected 94 stations in 25 states and the District of Columbia.
Trains on the Camden Line are experiencing delays of 30 to 45 minutes.
Trains 845 and 847 on the Camden Line are running behind schedule.
A University of Maryland doctoral candidate has come up with a program to harness tweets about hot Metro rail cars.
While service on the Fredericksburg line has resumed, riders are warned to expect residual delays for all morning trains. Metro is honoring VRE tickets.
Light snow and severe cold could make for a slow commute Thursday morning.
Metro riders are facing delays on three of five train lines this morning.