Driver's License Test Prep
California Practice Speed Limits

What does California's Basic Speed Law require of a driver?

  1. A.
    You must drive at the posted speed limit at all times
  2. B.
    You may never drive faster than is safe for the current road conditions Correct
  3. C.
    You must match the average speed of surrounding traffic
The Why

The answer is "You may never drive faster than is safe for the current road conditions"

The Basic Speed Law makes the driver's judgment the governing standard: you may never go faster than is safe for the conditions in front of you, even under the posted limit. The posted-limit choice reflects the habit of treating the sign as both floor and ceiling; the manual explicitly names conditions where a lawful driver must go slower.

Why the others miss

The traps in the wrong answers

A. You must drive at the posted speed limit at all times

Treats the posted sign as an absolute standard, which the Basic Speed Law overrides. This answer reads the posted number as a fixed target because that habit is easier than judging conditions.

C. You must match the average speed of surrounding traffic

Matching surrounding traffic is a common driving practice, not a rule the Basic Speed Law establishes. This answer confuses the habit of pacing other drivers with the safety-first standard the manual actually names.

The Rule

This question tests your knowledge of Speed Limits in California. Source: California Driver Manual, "Manage Your Speed," p.67..

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