Toronto’s mayor is fighting to keep the city’s speed cameras in operation, with council passing a motion Wednesday it hopes will cause Premier Doug Ford to reconsider his pledge to get rid of them.

In what may not come as a shock to those who stew in frustration behind the wheel of a car in Toronto, the city has identified construction as the leading cause of worsening traffic on its streets.

At a red light or stop sign, you should stay stopped until it’s safe to go but there’s no magic number of seconds that police ...