A flashing red beacon above an intersection means…?

  1. Slow down and drive with increased caution
  2. Slow down and if necessary yield right-of-way to cars approaching from the left or right
  3. You must come to a complete stop and move through the intersection only when it is safe to do so ✓
  4. Signal light is out of order, proceed with caution

Answer: C. You must come to a complete stop and move through the intersection only when it is safe to do so

A flashing red beacon above an intersection means you must come to a complete stop and move through only when it is safe.

Why this is the answer

The Ontario handbook says a flashing red beacon above an intersection or stop sign requires a complete stop. After that stop, you may go through the intersection only once it is safe. That supports the answer because the beacon is treated as a stop requirement, not just a warning to slow down. The handbook gives the same instruction for a flashing red light, so the key action is a full stop followed by a safe crossing.

Why the other answers are wrong

Remember it

Treat a flashing red beacon like a stop sign: stop first, then go when clear.

Official handbook: Official MTO Driver's Handbook, Traffic lights – Flashing red beacon

Explanation drafted with AI (deepseek-flash) from the official handbook passage cited above, then checked automatically and by a second model on 2026-10-23. Always confirm with the official handbook.