Rescue crews have responded to I-495 SB just south of Edgemoor for reports of a serious vehicle accident.
Callers have reported that a vehicle has gone airborne, possibly rolled several times and left the roadway.
Trooper 4 is en route and will land on the road just south of the accident.
I-495 SB is closed at this time.
Avoid the area.
This is a developing story.
