Updated at 6:56 a.m.
Arlington County Police said Route 1 in Crystal City has re-opened after an earlier accident.
No further details were available at this time on the condition of the pedestrian who was struck in an earlier incident along the road.
Officials had expected the roadway to be closed until 10 a.m. at earlier reports.
Original post at 5:54 a.m.
Route 1 southbound, between 20th and 23rd streets, is closed Friday until at least 10 a.m. because of an earlier accident involving a pedestrian.
Police said they responded around 2:30 a.m. to a report of a person struck by a vehicle.
Authorities closed the roadway shortly after the incident was reported.
Drivers are advised to avoid the area in their morning commutes.
With the road closed, travelers headed to Reagan National Airport are advised by police to use the George Washington Parkway as an alternative.
Authorities said they did not immediately know the condition of the person who was struck.