SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/cdl-attending-hazmat-vehicle

If you are not in your parked placarded truck, how close must you stay to attend it?

Within 100 feet, with it in clear view.

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  1. Within 1,000 feet
  2. Anywhere with phone signal
  3. Within 100 feet, in clear view ✔

Why: To attend a placarded vehicle, be in it awake (not in the sleeper berth) or within 100 feet with it in clear view. Know the hazards and be able to move it.

Huh, didn't know that: Someone must always watch a placarded vehicle parked on a public roadway or shoulder.

The dad joke
Why did the trucker bring binoculars to lunch? He likes to keep his rig in view.
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References

Answer: Within 100 feet, in clear view. To attend a placarded vehicle, be in it awake (not in the sleeper berth) or within 100 feet with it in clear view. Know the hazards and be able to move it.

  1. California Commercial Driver Handbook (DMV) www.dmv.ca.gov/portal/file/california-commercial-driver-handbook-pdf
    Be in the vehicle, awake, and not in the sleeper berth, or within 100 feet of the vehicle, and have it within clear view.
    Checked 2026-10-10.

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Test yourself in the game

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