120 km/h speed limits may be the future of Ontario highways

TORONTO -- Ontario's government plans to launch a review of speed limits on provincial highways, with the transportation minister musing that some of those roads can safely handle traffic at 120 kilometres per hour. Here's a look at the context around the issue: HOW ARE SPEED LIMITS DETERMINED? According to Mohamed Hussein, a transportation engineering professor at McMaster University in Hamilton, there are effectively three speed limits for any highway: the "design" speed, which is the maximum