Ontario G1 Knowledge Test — G1 Practice Question
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Accuracy —
Road Signs
An orange-and-red triangle on the back of a vehicle ahead means:
Show Answer & Explanation
Correct Answer: B. The vehicle is slow-moving and travelling 40 km/h or less
The SMV triangle is a federal design — fluorescent orange centre, red reflective border — warning drivers approaching fast from behind to slow down. Farm tractors, road-maintenance equipment, and some horse-drawn vehicles use it.
Why the other answers are wrong
- A.Oversized loadOversized loads use 'Wide Load' and chase vehicles.
- C.Hazardous materialsHazmat uses diamond-shaped class labels.
- D.Student driverStudent driver signs are rectangular, not triangular.