Règles de la route

Even with a green light, you must not enter an intersection if:

Panneau routier de Ontario — You cannot clear the intersection before the light turns red
Afficher la réponse et l'explication
Bonne réponse : B. You cannot clear the intersection before the light turns red

Blocking an intersection is an offence — it prevents cross traffic from moving during their green, cascading gridlock. 'Do not block intersection' markings (cross-hatched zone) make the rule explicit.