8:40 A.M. Update:
Delays persist for traffic on eastbound I-66 at Sully Road in Centreville. The left shoulder is still blocked due to the earlier accident there.
The accident on the westbound Southeast-Southwest Freeway is still blocking the left lane near Maine Avenue SW, so stay to the right.
An accident on I-95 South is blocking the shoulder at Darcy Road.
8:35 A.M. Update:
A reader reports that southbound George Masin Drive is a mess in Arlington, with problems around Route 50.
8:20 A.M. Update:
An accident on the westbound Southeast-Southwest Freeway is blocking the left lane near Maine Avenue SW, according to the District Department of Transportation.
An accident at North Capitol and K streets NE is slowing traffic there, according to D.C. police.
8:10 A.M. Update:
A disabled truck at Foxhall and Reservoir roads NW is causing backups there, according to the District Department of Transportation.
An accident in the 5300 block of MacArthur Boulevard NW is likely going to slow traffic
An accident at 4th and Bryant streets NW could cause delays around that intersection.
7:55 A.M. Update:
The accident on eastbound I-66 at Sully Road in Centreville has been cleared from the main lanes and moved to the left shoulder. All eastbound lanes are now open, but they are badly backed up.
7:40 A.M. Update:
The northbound lanes have reopened on Crain Highway/MD 3 at Annapolis Road/MD 450.
An accident on eastbound I-66 at Sully Road in Centreville is blocking the left three lanes. Only the right lane is getting by, and there are already heavy delays approaching this spot.
An accident on South Dakota Avenue and Irving Street in Northeast Washington is blocking some lanes. Avoid the area.
7:20 A.M. Update:
An accident in the 2400 block of Southern Avenue SE is blocking the right lane, according to D.C. police, though it’s unclear which direction. Expect delays approaching this block.
7:10 A.M. Update:
Traffic signals are malfunctioning at the intersection of 14th Street and Spring Road in Northwest Washington, according to the District Department of Transportation. Use caution approaching this spot.
An accident at 13th and Monroe Streets in Northeast Washington could slow traffic in this area.
7:05 A.M. Update:
Watch out for delays stemming from two accidents in Washington:
— At Louisiana Avenue and D Street NW
— At Benning Road and Hanna Place NE
6:50 A.M. Update:
The northbound lanes remain blocked on Crain Highway/MD 3 at Annapolis Road/MD 450 due to an overnight accident. The southbound shoulder is also blocked.
6:40 A.M. Update:
The accident on the outer loop of the Beltway after Connecticut Avenue has been cleared.
6:30 A.M. Update:
I-95 North is congested around the Fairfax County Parkway and approaching Occoquan right now.
A disabled vehicle on the inner loop of the Beltway at Braddock Road is blocking the right shoulder.
There’s also an accident on the outer loop of the Beltway after Connecticut Avenue.
Good morning, commuters! We’ll be keeping an eye on the roads and rails this morning, reporting any delays or issues — and we will need your help: If you hear about any congestion, delays, problems or anything at all, tell us in the comments section below or by tweeting @drgridlock.
The day begins foggy and drizzly, with showers remaining on and off throughout the day, according to the Capital Weather Gang.
— An overnight accident involving a tractor trailer on Crain Highway/MD 3 is blocking northbound traffic at Annapolis Road/MD 450. One of the southbound shoulders is also blocked, but otherwise the southbound lanes are open after being closed.
— There’s also an accident on the inner loop of the Beltway at Rockville Pike/MD 355.
Also this morning, if you take the Bay Bridge, watch out for lane closures and traffic pattern changes this week.
— One lane on the eastbound side could be closed each morning through Thursday from 9:30 a.m. to 2:30 p.m., so two-way traffic will run on the westbound side.
— The eastbound side could also be closed on Tuesday and Wednesday nights from 8 p.m. to 5 a.m. the following morning, as well as on Thursday from 10 p.m. to 5 a.m. on Friday and Friday from 11 p.m. to 7 a.m. on Saturday. Again, two-way traffic will run on the westbound side.
— There could also be some traffic shifts while two-way traffic is moving on the westbound side.