The two right lanes of the Inner Loop, plus one left lane and the ramp to Route 1 are blocked due to the incident.
Overturned vehicle causes delays on Outer Loop in Prince George's County.
A tractor-trailer crash and fuel spill has blocked the two left lanes of the Capital Beltway Inner Loop after St. Barnabas Road.
The Inner Loop was shut down overnight at Branch Avenue after a crash that killed a motorcyclist, authorities said.
Multi-vehicle accident at 5:18 a.m. closes all but one lane of the Beltway's inner loop in Montgomery County.
An accident on the outer loop of the Beltway at the Woodrow Wilson Bridge blocked multiple lanes and snarled traffic for several hours on Friday afternoon.
Outer loop lanes have reopened near Joint Base Andrews in Maryland.
Traffic is moving very slowly between University Boulevard and MD-355/Rockville Pike/Wisconsin Avenue in Montgomery County.