You have held a category A licence for more than two years and have just obtained category B. What will be the maximum permitted blood alcohol level when you are driving a car?
Human factor: Alcohol, drugs, and medications
Explanation
The maximum blood alcohol concentration allowed for driving a passenger car with a B license, when the driver has held an A license for more than two years, is **0.25 milligrams of alcohol per liter of exhaled air**.
- The permitted blood alcohol concentration varies depending on the type of vehicle and the length of time the driver has held the license. For drivers who have had their license for more than two years and do not drive special vehicles, the permitted concentration is **0.25 milligrams per liter of air**.
- This limit applies to any vehicle and driver not in special categories, such as those transporting heavy goods, more than nine people, minors, or hazardous loads, who have a lower permitted limit of **0.15 milligrams per liter of air**.
- Additionally, it is important to remember that driving with a blood alcohol concentration between **0.25 and 0.50 milligrams per liter of air** can result in the loss of driving license points, which underscores the importance of not exceeding this limit.
Therefore, for a driver with a B license and more than two years of experience, the maximum permitted concentration is **0.25 milligrams of alcohol per liter of exhaled air**.
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