BC Class 7 Knowledge Test · Question
On a wet road, your stopping distance compared to a dry road is roughly:
On a wet road, your stopping distance is doubled because water on the pavement reduces friction between the tires and the asphalt, which compromises traction. C
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Question: On a wet road, your stopping distance compared to a dry road is roughly:
Answer options:
- The same ✅ Doubled
- Halved
- Quadrupled
Correct answer: Doubled
Explanation: On a wet road, your stopping distance is doubled because water on the pavement reduces friction between the tires and the asphalt, which compromises traction. Choosing "the same" or "halved" is incorrect because moisture always increases the required braking distance due to decreased grip. While "quadrupled" is also an increase, this extreme distance is typically associated with icy or snowy conditions rather than standard wet pavement. According to ICBC guidelines, drivers must understand how environmental conditions affect vehicle control. This concept is highly relevant for the Class 7 theory exam questions concerning safe following distances and adverse weather management.
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