Ontario G1 Knowledge Test — G1 Practice Question
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Road Signs
A lane marked with a white diamond on the pavement and a sign with a diamond symbol means:
Show Answer & Explanation
Correct Answer: B. Reserved lane for buses, taxis, or high-occupancy vehicles
Diamond lanes are reserved for a specific authorised class of vehicle during posted hours — most often buses, taxis, and carpool/HOV vehicles meeting the minimum occupancy. Ordinary single-occupant vehicles using the lane are fined.
Why the other answers are wrong
- A.Diamond dealer aheadThe diamond is a lane-use symbol, not a commercial sign.
- C.Toll laneToll lanes have specific Express Toll Route (ETR) signs.
- D.Emergency vehicle use onlyEmergency lanes are marked on the shoulder, not with a diamond.
