Like potholes, the fading lane stripes are a winter phenomenon, and road crews need a warm up to make fixes.
Some of the travel lanes along the parkway will be blocked while crews are in the area.
AAA Mid Atlantic offers some advice on how to keep your car up and running in this cold weather.
Highway officials urged motorists to stay off the roads to allow plows and salt trucks room to do their jobs.
Incident involved a tractor trailer.
Massachusetts Avenue is closed from Duvall Street to the traffic circle where Montgomery County and the District meet.
Route 301 northbound is closed in Waldorf, drivers are advised to avoid the area.
Police briefly shut down streets as Ferguson protesters continue to march through downtown D.C.
The southbound lanes were closed throughout the day Tuesday, causing major congestion.
Accident caused part of South Capitol Street to be shut down.