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Ontario Class B (Bus) Commercial Licence Practice Test 6

  • Based on 2025 ON commercial driver's licence manual
  • Updated for September 2025
  • Perfect for first-time and renewal commercial applicants, and those adding endorsements
  • Triple-checked for accuracy

You’ve reached Practice Test 6! This time, we’re focusing on braking systems, including anti-lock brakes. In Ontario, Class B drivers are required to understand various braking systems as part of the license requirements. The test contains questions, and you’ll need to score at least 80% to pass. Make sure you’re up-to-date with these key topics for the 2025 exam.

Pass the first time with Premium
ON driver's license
  • Based on 2025 ON commercial driver's licence manual
  • Perfect for first-time and renewal commercial applicants, and those adding endorsements

What you need to know

5 out of 5 • 1 votes
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.

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