SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/cdl-hazmat-no-smoking-rule

You may not smoke within how many feet of a vehicle carrying explosives?

25 feet.

Start playing free

  1. 25 feet ✔
  2. 10 feet
  3. 500 feet

Why: Do not smoke or carry a lighted cigarette, cigar or pipe within 25 feet of a vehicle with explosives, flammable liquids, flammable solids or oxidizers.

Huh, didn't know that: Never use flares near a Class 3 or Division 2.1 tank or Division 1.1 to 1.3 explosives; use reflective triangles.

The dad joke
What did the safety sign say? No ifs, ands or butts.
Like this card?
Play the game

References

Answer: 25 feet. Do not smoke or carry a lighted cigarette, cigar or pipe within 25 feet of a vehicle with explosives, flammable liquids, flammable solids or oxidizers.

  1. California Commercial Driver Handbook (DMV) www.dmv.ca.gov/portal/file/california-commercial-driver-handbook-pdf
    do not smoke or carry a lighted cigarette, cigar, or pipe within 25 feet of any vehicle, which contains
    Checked 2026-10-10.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

Cars & DrivingA major offense, like leaving the scene of an accident, happens while hauling placarded hazmat. What is the first-offense disqualification?Cars & DrivingHow many hazard classes are hazardous materials sorted into?Cars & DrivingWhat kind of hazardous material is Class 2?

That's stuff everyone should know.