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  • Based on 2025 NB commercial driver's licence manual
  • Updated for March 2025

NB Class 2 (Bus) Commercial Licence Practice Test 4

From road signs to mechanical knowledge, this practice test is comprehensive. Master the Class 2 topics and get ready for your exam.
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  • Perfect for first-time and renewal commercial applicants, and those adding endorsements
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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.
What to expect on the official exam
50

questions

40

correct answers to pass

80

passing score

List of questions (classic view)
  1. What are the consequences if you exceed your maximum on-duty hours and a peace officer stops you?
  2. What are the main components of a simple, basic air brake system?
  3. What are the recommended positions for your hands on the steering wheel?
  4. What colour are the flashing lights used by an ambulance driver to warn others to yield?
  5. What do these roadway markings mean?
  6. What does a downward-pointing green arrow above your lane mean?
  7. What does the term "space cushion" mean?
  8. What does this image indicate?
  9. What does this road sign mean?
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