United States Permit Test Coach
Warning signsQuestion 61 of 223

What does a TRUCK CROSSING sign warn of?

  1. Trucks must use the right lane
  2. Trucks may not pass here
  3. Trucks may enter or cross the road without warning
  4. A weigh station is ahead
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Correct answer: Trucks may enter or cross the road without warning

Vehicle warning signs mark places where other vehicles may enter the road at an unexpected spot. Watch for them and be ready to slow down.

Source: Manual on Uniform Traffic Control Devices for Streets and Highways (MUTCD), 11th Edition with Revision 1 (FHWA, December 2025), Section 2C.54 Vehicular Traffic Warning Signs (W8-6, W11-1, W11-5, W11-8, W11-10, W11-11, W11-12P, W11-14, W11-15, and W11-15a), page 232

Practice warning signs

Questions last reviewed: 18 October 2026