It seams obvious that the most serious traffic accidents happen at the highest speeds. The idea set forth in this post can be modified for town driving, with increased technology, but I figure I will list what can happen "today" on the highways and freeways. I have commuted for many years in bumper to bumper traffic. Usually 1.5-2 hours a day. I often wondered if there is an apparatus that can be connected to the back and front frames of cars so that they can connect and disconnect...