Under federal rules, may a CMV driver text while stopped at a red light?

Start playing free

  1. Yes, the truck is not moving
  2. Yes, if the parking brake is set
  3. No, that still counts as driving

🔒 The answer is for AhaBulb members. Members see the answer, why it's right and the official sources for every card of Stuff Every CDL Driver Should Know, plus timed practice exams.

The first 50 cards of every test are free to play.

Play the free cards See membership

Like this card?
Play the game

References

  1. 49 CFR 392.80 (eCFR) www.ecfr.gov/current/title-49/section-392.80 Checked 2026-10-10.

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