California Permit Test Coach
Safe drivingQuestion 179 of 229

You cannot see more than 100 feet in a heavy rainstorm. What is the fastest safe speed?

  1. 15 mph
  2. 45 mph
  3. 30 mph
  4. 55 mph
Show answer

Correct answer: 30 mph

If you cannot see farther than 100 feet, do not drive faster than 30 mph.

Source: California Driver's Handbook (DL 600, California DMV, 2025), Section 8. Safe Driving: Slippery Roads, page 62

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Questions last reviewed: 18 October 2026