Practice question

Which vehicles must stop at railroad crossings under CDL rules?

  1. Certain placarded hazmat vehicles and buses carrying passengers, among others
  2. Only empty pickup trucks
  3. All CMVs at every private driveway track
  4. Only vehicles with automatic transmissions

Answer: A — Certain placarded hazmat vehicles and buses carrying passengers, among others

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