At 13:29 hrs. Co 24 & Co.22, Co. 11 were dispatched to RT 15 and Old Frederick Rd for a vehicle accident. C24-1 arrived on scene to find two cars and one car with the patient's still in their vehicle. A229 arrived on scene and started patient care. C24-1 established RT15 command and requested a second ambulance. E221 arrived on scene and blocked traffic. RS24 and E111 arrived on scene and begin checking the vehicle for leaking fluids and assisted with patient care. One patient was transported to meritus medical center and another to FMH. Units went in service as ready.