Règles de la route

What is the required blood alcohol level (BAC) for G1, G2, M1 or M2 drivers, and for all drivers aged 21 or under?

Panneau routier de Ontario — Zero — no alcohol in the system
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Bonne réponse : C. Zero — no alcohol in the system

Ontario enforces zero tolerance for alcohol among novice drivers (G1/G2/M1/M2) and all drivers aged 21 or under. Any detectable alcohol results in an immediate licence suspension on the spot. This reflects the elevated crash risk of young and new drivers combined with alcohol.