Practice question
A route plan sends a placarded vehicle through a tunnel marked with a hazmat prohibition. What should the driver do?
- Do not enter; use an authorized route or get lawful instructions
- Enter if traffic is light
- Cover placards until through the tunnel
- Proceed if the shipping paper is in the cab
Answer: A — Do not enter; use an authorized route or get lawful instructions
The correct answer is shown above. Try the full quiz for additional practice.
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