Belair Road has been shut down due to a Tuesday evening crash.
The crash was reported at about 7:15 p.m.
The State Highway Administration reports that all lanes of US-1 have been shut down between Silver Spring Road and Blakely Avenue.
There has been no word on any injuries.
The crash affected some power lines in the area, which will likely delay reopening of the roadway.
Motorists should use an alternate route.