Ontario G1 Knowledge Test — G1 Practice Question
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Accuracy —
Rules of the Road
In rain, snow, or reduced visibility, the minimum safe following distance should be increased to at least:
Show Answer & Explanation
Correct Answer: B. Four seconds or more
Stopping distance multiplies when traction is reduced — wet pavement adds 20–40% to braking distance; ice can double or triple it. Four seconds gives the margin needed for the longer stop.
Why the other answers are wrong
- A.Two secondsTwo-second rule is for good conditions.
- C.One secondOne second is insufficient even in good weather.
- D.Half a secondHalf a second is below any reaction time threshold.