Practice question

Before changing lanes, what should a CMV driver do?

  1. Signal, check mirrors, check blind spots as practical, and move only when safe
  2. Move first and signal afterward
  3. Rely on the trailer to force a gap
  4. Change lanes only by using the horn

Answer: A — Signal, check mirrors, check blind spots as practical, and move only when safe

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: ID CDL General Knowledge Practice Questions - Idaho CDL General Knowledge Test Exam →