Toxic Custard newsletter, transport

Four minutes? Impossible!

I can't help noticing that when traffic is relatively light, this sign on Kings Way always it's 4 minutes to Williamstown Road. This seems as optimistically unlikely as those old Citylink travel time promises. Google Maps reckons it's 7.7 kilometres, and estimates a travel time without traffic of 6 minutes. The speed limit along the freeway and over the Westgate bridge is 80 km/h, which