Speed Limits & Following Distance — Alberta

Alberta commercial knowledge test practice: 229 free practice questions (Based on the official driver handbook). The official format is not yet verified; check the official site before your test. Speed Limits & Following Distance: 9 questions. Updated

Posted speed limits, school and construction zones, stopping and following distance.

This topic page is still being reviewed against the official handbook. Until review is finished it is hidden from search engines.

Topic / MetricValue
TopicSpeed Limits & Following Distance
License testAlberta Commercial knowledge tests (Class 1–4)
Topic questions9 (4% of 229 total)
Review statusThis topic page is still being reviewed against the official handbook. Until review is finished it is hidden from search engines.

Official handbook

Not yet verified Not yet verified against an official source

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Questions (9)

1. Generally the safest drivers are those who
  1. have the best reaction time.
  2. have the best vision.
  3. always stay within the law.
  4. adjust their driving to the conditions. ✓

Answer: D. adjust their driving to the conditions.

Official handbook: Official handbook
2. What is the main reason for driving in a lower gear?
  1. To stay within speed limit
  2. To provide more turning power ✓
  3. To save fuel
  4. Quieter operation

Answer: B. To provide more turning power

Official handbook: Official handbook
3. Assuming good traction and constant vehicle weight, if you double your speed, your vehicle's braking distance will be
  1. tripled.
  2. doubled.
  3. eight times as long.
  4. quadrupled. ✓

Answer: D. quadrupled.

Official handbook: Official handbook
4. Why is it risky to drive faster than the traffic flow?
  1. Because you may tire more quickly
  2. Because you may be more likely to make a wrong decision
  3. Because you may not be able to maintain a safe following distance
  4. For all of the above reasons ✓

Answer: D. For all of the above reasons

Official handbook: Official handbook
5. The minimum following distance for a taxi or ride-hailing (e.g., Uber) vehicle is
  1. 2 seconds. ✓
  2. 3 seconds.
  3. 4 seconds.
  4. 5 seconds.

Answer: A. 2 seconds.

Official handbook: Official handbook
6. What components make up the total stopping distance of an air-brake-equipped commercial vehicle?
  1. Perception distance + reaction distance + air-brake lag distance + braking distance ✓
  2. Perception distance + reaction distance + braking distance
  3. Acceleration distance + coasting distance + braking distance
  4. Reaction distance + deceleration distance + braking distance

Answer: A. Perception distance + reaction distance + air-brake lag distance + braking distance

Official handbook: Official handbook
7. Assuming good traction and constant vehicle speed, if you double your vehicle's weight, your vehicle's braking distance will be
  1. doubled. ✓
  2. quadrupled.
  3. tripled.
  4. eight times as long.

Answer: A. doubled.

Official handbook: Official handbook
8. What does the term "total stopping distance" mean?
  1. The sum of perception distance, reaction distance, lag time distance, and braking distance ✓
  2. The minimum distance a driver needs to maintain from the vehicle ahead
  3. The distance covered by the vehicle once the brakes are applied
  4. The maximum distance a vehicle covers before coming to a stop

Answer: A. The sum of perception distance, reaction distance, lag time distance, and braking distance

Official handbook: Official handbook
9. What is a normal reaction time for a driver?
  1. 0.75 seconds ✓
  2. 0.5 seconds
  3. 1.5 seconds
  4. 1 second

Answer: A. 0.75 seconds

Official handbook: Official handbook
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Last checked: 2026-10-17 · Verified from official source

Updated: · Based on the official driver handbook