Left <-> right interchange doesn't really happen anymore since radial tires have become standard on most vehicles. Radial tires are unidirectional, so if you g

Left <-> right interchange doesn't really happen anymore since radial tires have become standard on most vehicles. Radial tires are unidirectional, so if you go left -> right your tires will be rotating backwards, and then they won't be able to channel water out from the treads.