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Class 4 Commercial Driver Practice · Question

When driving at night, you must dim your high beam headlights when you are within what distance of an oncoming vehicle?

High beams must be dimmed when within 150 meters of an oncoming vehicle or when within 60 meters of a vehicle you are following (distances may vary slightly by

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Question: When driving at night, you must dim your high beam headlights when you are within what distance of an oncoming vehicle?

Answer options:

  • 50 meters
  • 300 meters
  • 500 meters ✅ 150 meters

Correct answer: 150 meters

Explanation: High beams must be dimmed when within 150 meters of an oncoming vehicle or when within 60 meters of a vehicle you are following (distances may vary slightly by province, but 150/60 is the standard reference).

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