> It ignores that much of the risk comes from outside of the drivers control. True; on the other hand I remember (I don't have a handy reference, sorry) a stud

> It ignores that much of the risk comes from outside of the drivers control. True; on the other hand I remember (I don't have a handy reference, sorry) a study showing that car drivers were leaving less space around cyclists wearing a helmet (hence increasing the probability of a collision) than around those without...