Practice question

Why should you check overhead clearance before driving under a bridge or canopy?

  1. Vehicle height can exceed posted or actual clearance
  2. All bridges have the same clearance
  3. Clearance only matters for empty trailers
  4. Mirrors automatically show roof clearance

Answer: A — Vehicle height can exceed posted or actual clearance

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

Practice more: Missouri CDL General Knowledge Practice Questions - Missouri Commercial Driver License General Knowledge Test Exam →