 If you're on southbound Fairfax County Parkway, you're in good shape. It's northbound side of the Fairfax County Parkway. After 123, the left lane is blocked for the work zone. Northbound 395 after the Pentagon Express Lanes entrance. That's where the left center lane is blocked for a broken down vehicle. Beyond that, you are clear as you head across the 14th Street Bridge. Traveling at this point in Arlington, Wilson Boulevard westbound between North Randolph Street and Stewart Street, all lanes blocked for the work zone.