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Ontario · G1 Knowledge Test · G1 · DriveTest (MTO)

Ontario G1 Knowledge Test — G1 Practice Question

Knowledge test administered by DriveTest (MTO) for the G1 licence. 40 questions, 80% to pass.

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Accuracy —
Road Signs

A sign showing '4.1 m' above an overpass indicates:

Ontario road sign — The maximum allowable vehicle height
Show Answer & Explanation
Correct Answer: B. The maximum allowable vehicle height

Height-limit signs show the maximum loaded vehicle height. Truck drivers must verify their loaded height against the posted figure — striking the overpass causes serious damage to vehicle and structure.

Why the other answers are wrong

  • A.The speed limit under the bridgeSpeed is posted on a regulatory speed sign.
  • C.The length of the overpassLength is not posted on height signs.
  • D.The weight limitWeight limits use different signs.

More Road Signs Questions

Above a lane, you see a red 'X' signal. This means: The solid white line at the right edge of a highway lane is called the: A painted 'sharrow' (bicycle symbol with two chevrons pointing forward) indicates: A flashing amber (yellow) arrow means: Hitting a rumble strip at the edge of the lane means:

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