Panneaux routiers

At an intersection with a flashing red traffic light, a driver must:

Panneau routier de Ontario — Come to a complete stop, then proceed when safe
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Bonne réponse : B. Come to a complete stop, then proceed when safe

A flashing red light works exactly like a stop sign — full stop, then proceed when safe. These are common at intersections where traffic is light or at 4-way stops converted from signals overnight.