>Here's something to make you think about speeding.
>
>120mph crash test
>
>
http://www.youtube.com/watch?v=6dI5ewOmHPQ&feature=player_embedded#!Their logic seems a bit wonky. One car hitting a wall at 120 is not the same as two cars hitting each other head on at 120. Wouldn't the car have to do 240 to simulate that ?
In practice I'd guess a combined impact speed of 120 is *very* rare. Usually one or both drivers has braked pretty hard before the impact - the 40 mph test is probably a truer reflection of what happens in reality....
