California Permit Test Coach
Freeways and passingQuestion 97 of 229

How much space do you need to merge into traffic on a highway?

  1. Half a block, about 150 feet
  2. Two car lengths, about 40 feet
  3. A full block, about 300 feet
  4. A quarter mile
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Correct answer: A full block, about 300 feet

On city streets you need half a block, about 150 feet. On a highway you need a full block, about 300 feet.

Source: California Driver's Handbook (DL 600, California DMV, 2025), Section 6. Navigating the Roads: Crossing or Entering Traffic, page 24

Practice freeways and passing

Questions last reviewed: 18 October 2026