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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 —
Rules of the Road

Why should you drive more slowly at night compared to during the day?

Show Answer & Explanation
Correct Answer: B. You cannot see as far ahead

Low beams typically illuminate only about 45 metres of road; high beams about 150 metres. Driving the same speed as daylight outruns your headlight range — you cannot stop within the distance you can see.

Why the other answers are wrong

  • A.Street lights are dimmerStreet light brightness is not the key factor — sightline distance is.
  • C.Gas mileage is worseGas mileage has no bearing on night-speed decisions.
  • D.Other drivers drive fasterSpeed limits are the same day and night; you adjust downward because of reduced sightline.