As of 9:30 a.m., eastbound Route 100 was closed between I-97 and Oakwood Road due to an accident involving two vehicles.
Emergency roadwork caused one southbound lane to be closed on Route 45 at Fox Tail Road in Baltimore County.
The Maryland Mass Transit Administration was warning MARC patrons that there could be delays of up to 55 minutes on the Camden, Penn and Brunswick lines as crews work to restore full service following Tuesday's earthquake.