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BC Class 4 Practice Test · Question

The legal blood-alcohol limit for Class 4 commercial drivers in most provinces is:

Commercial drivers are held to a stricter standard — zero or near-zero BAC while on duty in most provinces.

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Question: The legal blood-alcohol limit for Class 4 commercial drivers in most provinces is:

Answer options:

  • 0.08
  • 0.05 ✅ Zero tolerance / 0.00 while on duty
  • 0.10

Correct answer: Zero tolerance / 0.00 while on duty

Explanation: Commercial drivers are held to a stricter standard — zero or near-zero BAC while on duty in most provinces.

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