Class 4 Commercial Driver Practice · 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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Related Questions
- What should you do if your accelerator pedal sticks while you are driving?
- What type of information should a Class 4 driver generally NOT include in their daily trip records or logbook
- When operating a taxi or small bus, when are you required to ensure passengers are using seatbelts?
- What is the correct procedure for a small bus driver approaching an uncontrolled railway crossing?
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More for Class 4 Commercial Driver Practice candidates
Question explanations
- What should you do if your accelerator pedal sticks while you are driving?
- What type of information should a Class 4 driver generally NOT include in their daily trip records or logbook
- When operating a taxi or small bus, when are you required to ensure passengers are using seatbelts?
- What is the correct procedure for a small bus driver approaching an uncontrolled railway crossing?
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