What is the legal blood alcohol concentration (BAC) limit for drivers of Class 1 vehicles?

• A. 0.02%
• B. 0.04%
• C. 0.05%
• D. 0.08%

Answer: (B)

The legal blood alcohol concentration (BAC) limit for drivers of Class 1 vehicles is set at 0.04%. This threshold is lower than the general limit of 0.08% that applies to non-commercial drivers. The rationale behind this stricter limit for Class 1 drivers, who operate large vehicles such as trucks, is to ensure higher safety standards due to the potential risks associated with driving heavy vehicles. The impairment of motor functions and judgment caused by alcohol consumption can lead to severe accidents, especially when operating larger and heavier vehicles. Consequently, maintaining a lower BAC limit reflects the responsibilities and challenges that come with driving a Class 1 vehicle, prioritizing the safety of the driver, the passengers, and other road users.