It is common for people to feel a rush of adrenaline when they are struck by tractor-trailers. This can make you feel confused and unsure of how to handle the situation. Immediately after your accident, try to remain as calm as possible and assess the situation. Determine whether you are injured, and check others involved in the accident for any injuries. Call 911 to summon the police and emergency medical personnel, and remain at the scene until the police arrive. Never leave the scene of an accident until