Sharing the roadQuestion 124 of 229

A vehicle has an orange and red triangle on its back. What is its usual speed?

  1. 35 to 45 mph
  2. 45 to 55 mph
  3. More than 55 mph
  4. 25 mph or less
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Correct answer: 25 mph or less

The triangle marks a slow-moving vehicle, such as a road maintenance vehicle. Expect it to go 25 mph or less.

Source: California Driver's Handbook (DL 600, California DMV, 2025), Section 7. Laws and Rules of the Road: Slow-moving Vehicles, page 45

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Questions last reviewed: 18 October 2026