Panneaux routiers

A flashing yellow beacon above or near a warning sign means:

Panneau routier de Île-du-Prince-Édouard — Extra caution — hazardous condition is active (e.g., school in session, fog, reduced sight)
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Bonne réponse : A. Extra caution — hazardous condition is active (e.g., school in session, fog, reduced sight)

A beacon signals that the warning is currently active — drivers slow while it flashes and can resume normal speed when it is off.