Ontario G1 Knowledge Test — G1 Practice Question
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Accuracy —
Road Signs
A yellow diamond warning sign showing a curving black arrow means:
Show Answer & Explanation
Correct Answer: A. The road curves ahead — slow to the recommended speed
A curve-ahead warning sign tells drivers to anticipate a bend in the road. Taking a curve too fast is a top cause of single-vehicle collisions — slowing before the curve lets the tires maintain grip through the turn.
Why the other answers are wrong
- B.The road is closed aheadRoad-closed warnings use 'ROAD CLOSED' text signs or barricades, not curve-arrow diamonds.
- C.Construction zone beginsConstruction uses orange diamond signs, not yellow curve-arrow ones.
- D.Parking is allowed on the curveParking permissions use rectangular 'P' signs, not curve warnings.