Panneaux routiers

A green-painted bike box at an intersection means:

Panneau routier de Ontario — Motor vehicles must stop before the box, not in it
Afficher la réponse et l'explication
Bonne réponse : B. Motor vehicles must stop before the box, not in it

Bike boxes give cyclists a visible, protected stopping area at the front of the queue, letting them make left turns and go straight without being squeezed by right-turning cars. Cars stopping in the box is illegal.