New rules regarding Pedestrian Crossovers came into effect January 1, 2017. Basically, provincial law now requires that drivers and cyclists stop and not go until pedestrians have fully stepped off the road only at SPECIALLY DESIGNATED “crossovers” — and whenever a crossing guard is in action. It is the responsibility of both drivers and pedestrians to understand and follow the rules of the road.
Pedestrian crossovers are a new way for pedestrians to safely cross the road. By law, drivers and cyclists must stop and yield to pedestrians intending to cross the road, and wait for them to completely reach the other side before driving.
Pedestrian Crossovers are marked by signs and pavement markings. In some cases, but not always, they may also have pedestrian-activated flashing lights.
Here is an explanation published by the city of Hamilton. https://www.hamilton.ca/streets-transportation/driving-traffic/pedestrian-crossovers