California Permit Test Coach
Safe drivingQuestion 176 of 229

How much should you reduce your speed on a wet road?

  1. By 1 to 2 mph
  2. By 5 to 10 mph
  3. By half
  4. To no more than 5 mph
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Correct answer: By 5 to 10 mph

Slow down by 5 to 10 mph on wet roads. On packed snow, cut your speed by half.

Source: California Driver's Handbook (DL 600, California DMV, 2025), Section 8. Safe Driving: Slippery Roads, page 61

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Questions last reviewed: 18 October 2026