Ontario G1 Knowledge Test — G1 Practice Question
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Accuracy —
Road Signs
A warning sign showing a rock falling beside a cliff means:
Show Answer & Explanation
Correct Answer: B. Rocks may fall onto the road
Falling-rock signs appear in areas where cliffs or cuts can drop debris onto the road. Watch the shoulder and roadway surface; brake gently if you see rocks — sudden swerves at speed can lose traction on the debris.
Why the other answers are wrong
- A.Road constructionConstruction uses orange signs, not yellow cliff imagery.
- C.Mountain road onlyMountain-road warnings use winding-road or grade symbols.
- D.Mine site aheadMine sites use specific commercial signage, not warning diamonds.