When you are involved in a car wreck it can be hard to think clearly at that time. You may go to speak with the other driver and be unsure which of their information you should obtain. For starters, you want to gain their contact information including name, number and address. Get their insurance information as well including the policy number, the provider and the phone number. Get a picture of their driver’s license if you can, as well as their license plate. It is a good idea to take pictures of the scene, as this can be useful later to stage together what happened.