Panneaux routiers

On a multi-lane Ontario highway, slow-moving traffic is required to:

Panneau routier de Ontario — Keep to the right; faster traffic uses the left lanes for passing
Afficher la réponse et l'explication
Bonne réponse : B. Keep to the right; faster traffic uses the left lanes for passing

Keeping slower traffic to the right lets faster vehicles pass safely on the left, reducing lane-changing conflicts and collision risk. Sitting in the left lane when you are not passing is both unsafe and a Highway Traffic Act offence.