9:20 A.M. Update:
An accident Dolley Madison Boulevard/VA 123 at Merchant Lane in McLean is blocking the northbound right outside lane.
A Green Line train heading for Branch Avenue is off-loading at Prince George’s Plaza due to a brake problem, so watch for minor delays on the Green Line.
Both of the Rosslyn escalators that should be going up out of the station are out of service, according to a rider. Metro is working on that as we speak, the transit agency tweeted. Watch for crowding and headaches at Rosslyn.
8:55 A.M. Update:
I-395 North is typically backed up around the 14th Street Bridge, with several other spots badly congested between the bridge and the Springfield Interchange.
8:45 A.M. Update:
A disabled vehicle on the outer loop of the Beltway near G.W. Parkway is blocking the right shoulder.
I-66 East is heavily backed up at the Teddy Roosevelt Bridge, with delays stretching well west of Rosslyn.
8:40 A.M. Update:
The disabled vehicle on I-270 South at Middlebrook Road has been cleared and the lanes reopened.
8:20 A.M. Update:
A disabled vehicle on I-270 South at Middlebrook Road is blocking one lane and one of the shoulders.
The accident on I-95 North just after Joplin Road in Triangle is now just blocking the left shoulder. The left lane has reopened, but delays remain approaching this spot.
8:15 A.M. Update:
An Orange Line train going to New Carrollton was just off-loaded at Rosslyn. Delays are possible for other Orange Line trains heading for New Carrollton.
8 A.M. Update:
An accident on I-95 North just after Joplin Road in Triangle is blocking the left lane and left shoulder, creating large delays before that spot.
7:45 A.M. Update:
MARC train 894 is running 15 minutes late approaching Germantown after a communication issue involving the track foreman at Monocacy, according to the Maryland Transit Administration.
A disabled vehicle on I-66 East at Nutley Street is blocking the left shoulder.
7:25 A.M. Update:
An accident on I-395 North near Duke Street is blocking the right shoulder.
There was a disabled vehicle on the outer loop of the Beltway at the Georgia Avenue exit, but it has been cleared.
7:05 A.M. Update:
The disabled vehicle on the inner loop of the Beltway at the G.W. Parkway has been cleared from the shoulder.
There’s now a disabled vehicle on the outer loop near Leesburg Pike, also blocking the right shoulder.
6:45 A.M. Update:
A disabled vehicle on the inner loop of the Beltway at the G.W. Parkway is blocking the right shoulder.
I-395 North is backed up just after the Springfield Interchange, while I-95 North is also slow approaching the interchange.
6:35 A.M. Update:
The Foggy Bottom Metro entrance escalators are back up and running, according to Metro.
6:15 A.M. Update:
There are no reported delays so far this morning for VRE or MARC trains.
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 see or hear about any congestion, delays or problems, tell us in the comments section below or by tweeting @drgridlock.
Some patchy fog could create visual problems this morning, particularly with schools in session and children out near bus stops and schools, according to the Capital Weather Gang. Also, it’s going to be warm, with potential showers later in the day.
— Red Line trains were single-tracking between Friendship Heights and Van Ness due to a track problem at Van Ness, but normal service just resumed between the two station, according to Metro. Still, watch for any lingering delays.
— The Foggy Bottom Metro entrance escalators are all down due to a power problem. The station is still open and shuttle buses have been requested.
Click here to receive e-mail alerts for major traffic and transit issues.