transport

Why are pedestrian crossings so narrow?

Why is it that at most traffic lights, the crossings for pedestrians are so narrow? Even in Melbourne's CBD, where heavy pedestrian numbers are expected, most crossings are far too narrow for the number of people. It appears that technically, anybody crossing outside the lines is in breach of Road Safety Rule regulation 234 (a) - which says you can't cross a road less than 20 metres fro