Règles de la route

A flashing red traffic light must be treated as:

Panneau routier de Ontario — A stop sign — complete stop, then proceed when safe
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Bonne réponse : B. A stop sign — complete stop, then proceed when safe

Flashing red = come to a full stop, treat intersection like a stop sign. Other directions at the intersection usually have flashing yellow (caution) or also flashing red (all-way stop).