Quote:
Originally Posted by Richard Lowe
it's a bit counter-intuitive but 30mph head on is the same impact as hitting a wall at 30, Newton's laws and all that 
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Kind of true Rich. A car has crumple zones designed to absorb the energy whereas a wall doees not. The kinetic energy (1/2mv^2) is therefore far greater in a car doing 100mpg than 2 cars doing 30mph in opposite directons.
However the original point still holds true, its bloody stupid and would probably end in a nasty way (and probably more so for the innocent guy driving towards you in the opposite direction as he is likely to be going slower than the guy overtaking)