Letter of the week

What about camber as a contributor to road accidents? I have noticed very often, while driving secondary roads, a series of bends in which the outer edge was raised above the inner. This is not just restricted to race tracks but is essential to driving at speed. Superelevation counteracts the force which tries to launch a car off the outside edge of the bend - centrifugal force. Then approach a bend which has flat or a negative banking, which does not oppose the centrifugal but puts it in overdrive. This is all the more dangerous if

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