Crews are on the scene of a serious crash in Joppa.
At just after 4 p.m., paramedics responded to the 500 block of Pulaski Highway for a report of a crash.
All lanes of Route 40 have been shut down and a medevac chopper is on the scene, as well as numerous ambulances.
Serious injuries have been reported as well as major delays.
Motorists should avoid the area.