Ontario G1 Practice Test · Question
The 'three-second rule' is used to:
Pick a point; when the vehicle ahead passes it, count 'one one-thousand…'. You should not reach it before 2–3 seconds.
Start free practice for Ontario G1 Practice Test
40 questions · no signup required · 40 free questions per day
Question: The 'three-second rule' is used to:
Answer options:
- Decide when to brake ✅ Measure safe following distance from the vehicle ahead
- Time your signal
- Time a lane change
Correct answer: Measure safe following distance from the vehicle ahead
Explanation: Pick a point; when the vehicle ahead passes it, count 'one one-thousand…'. You should not reach it before 2–3 seconds.
Start free practice for Ontario G1 Practice Test
40 questions · no signup required · 40 free questions per day
More about Ontario G1 Practice Test
Related Questions
- What does an inverted (upside-down) red and white triangle mean?
- A yellow diamond-shaped sign is used to indicate what?
- What does a circular sign with a red border and diagonal line through a black 'P' indicate?
- You are driving in Edmonton and see a flashing amber light on a school bus. What action must you take?
- A diamond-shaped sign with a yellow background and black symbols is always a:
- What does a blue sign with a white 'H' typically indicate?
More for Ontario G1 Practice Test candidates
Practice tests
Question explanations
- What does an inverted (upside-down) red and white triangle mean?
- A yellow diamond-shaped sign is used to indicate what?
- What does a circular sign with a red border and diagonal line through a black 'P' indicate?
- You are driving in Edmonton and see a flashing amber light on a school bus. What action must you take?
Ready to practice?
Free, no signup required. Build a wrong-question list as you go.
Start Free Ontario G1 Practice Test Practice →Related courses
Other Canadian certifications candidates often prepare for alongside this one.