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Ontario G Road Test Training · Question

What is the minimum legal following distance you should maintain from the vehicle ahead in ideal driving conditions, measured in time?

The Official MTO Driver's Handbook recommends a minimum following distance of three seconds under ideal driving conditions. This three-second rule ensures you h

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Question: What is the minimum legal following distance you should maintain from the vehicle ahead in ideal driving conditions, measured in time?

Answer options:

  • 1 second
  • 2 seconds ✅ 3 seconds
  • 4 seconds

Correct answer: 3 seconds

Explanation: The Official MTO Driver's Handbook recommends a minimum following distance of three seconds under ideal driving conditions. This three-second rule ensures you have a safe buffer to react and stop if the vehicle ahead brakes suddenly. Distances of one or two seconds do not provide enough reaction time to avoid a collision, while a four-second gap is recommended for poor weather or road conditions rather than the minimum for ideal circumstances. Drivers determine this distance by counting the seconds after the lead vehicle passes a fixed marker. Expect to see this fundamental defensive driving concept on the G1 knowledge exam.

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