Emergency roadwork has blocked several lanes of U.S. 40 in both directions at Rogers Avenue in Howard County, state transportation officials said.
The left lane and left shoulder are closed to westbound traffic, in addition to the left turn lane and left shoulder for eastbound traffic.
A three-vehicle crash blocks the shoulder on Interstate 95 south past Exit 80 for MD 534 in Harford County.
Emergency roadwork has closed the right lane and shoulder of MD 70 to northbound traffic in Anne Arundel County.
MARC and Amtrak trains were reported to be running on time.