Authorities are investigating a crash before the 38A, MD 32 exit.
"Severe" pothole on a bridge deck going over Route 17 was found at about 10:15 a.m., and repairs were completed by about 1:40 p.m.
Two accidents partially closed I-95 in Triangle.
An accident involving a tractor trailer had blocked all northbound lanes on Interstate 95 south of the Beltway.
All lanes of I-95 north were closed, now one is getting by. Drivers urged to avoid area.
Some drivers heading south from the D.C. area this weekend will encounter delays because of the region's biggest road work project.
Only the left shoulder is getting by on I-95 North between Route 17 and Centreport Parkway.
All northbound lanes are closed after a vehicle overturned on the roadway.
There are major delays following a four-vehicle crash near the Prince William Parkway, authorities said.
Morning commuters see travel time estimates to the Pentagon via regular lanes versus the HOV lanes.