ICBC British Columbia Written Exam Practice Test 2025 - Free Practice Questions and Study Guide

The legal blood alcohol concentration (BAC) limit for drivers over 21 in British Columbia is indeed 0.08% or less. This standard is established to ensure the safety of all road users by minimizing the risk of impaired driving. Blood alcohol concentration reflects the amount of alcohol present in a person's bloodstream, and as this percentage increases, so does the level of impairment in coordination, judgment, and reaction times.

Having a BAC limit set at 0.08% provides a clear and enforceable guideline for law enforcement and helps to promote responsible drinking behavior among drivers. Offenses related to driving with a BAC above this limit can lead to serious penalties, including fines, license suspensions, and even criminal charges.

Other limits presented in the incorrect options, such as 0.05%, 0.10%, and 0.15%, do not align with the established legal limit for drivers over 21 in BC. While a BAC of 0.05% is recognized in certain contexts, particularly for novice drivers and those with certain conditions, it does not apply to fully licensed drivers over the age of 21. The 0.10% and 0.15% figures also exceed the safe and legal threshold for driving and would carry more