8:45 A.M. Update

The earlier accidents on I-495 South, one between Route 7 and I-66, and one at the Dulles Toll Road, have both been cleared. However, delays remain and traffic backs up into Maryland.

8:20 A.M. Update

An accident is being reported on I-495 N. at the American Legion bridge in Maryland. Traffic is backed up to River Road.

8 A.M. Update

An accident is tying up the I-495 South at the Dulles Toll Road in Virginia. Traffic slows before Georgetown Pike. Traffic gets by single file to the right.

7:40 A.M. Update

An accident is blocking the left shoulder and three lanes on I-495 South before I-66. Only one lane gets by. Expect delays.

7:20 A.M. Update

An accident is tying up I-495 South in Maryland between the Greenbelt Metro station and Route 1/College Park. Traffic slows before Route 1.

An accident is blocking the left shoulder of I-9 North in Lorton.

7 A.M. Update

The earlier accident on I-95 North has cleared, but backups remain.

Traffic lights are out on Dumfries Road at Bristow Road in Prince William County. Expect delays.

6:40 A.M. Update

Virginia just seems to get busier this morning. The right shoulder of Route 123 North at the Capital Beltway is closed due to a tractor trailer accident. Expect possible delays.

On I-95 North, traffic now backs up to Woodbridge due to an earlier crash at the Capital Beltway in the Springfield area.

6:20 A.M. Update

In Virginia, the left lane and shoulder are closed on I-95 North at the Capital Beltway in Springfield. Traffic slows before Newington.

The earlier accident on I-66 East has been cleared.

Original post:

Good morning, commuters,

We’ll be tracking the morning commute and any traffic issues that come up. Nearly 1,800 motorcycles will roar into town Friday afternoon for a tribute remembering the victims of the Sep. 11 terrorist attacks.

Major commuter routes and roads will be affected in Maryland and Virginia.

Make sure to tell us about anything you see out there — either in the comments below or via Twitter (@DrGridlock).

So far:

An accident has closed the right lane and shoulder of I-66 East just before the Capital Beltway.