United States Permit Test Coach
Traffic signalsQuestion 120 of 223
Overhead lane signal with one white left-turn arrow on a dark square

What does this lane signal mean for the lane under it?

  1. The lane is for left turns from both directions
  2. The lane is open for through travel
  3. The lane is for left turns in your direction only, not for through travel
  4. The lane is closed to your direction
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Correct answer: The lane is for left turns in your direction only, not for through travel

A white one-way left-turn arrow marks a lane for left turns in one direction. Oncoming drivers do not turn from it. It is not for through travel.

Source: Manual on Uniform Traffic Control Devices for Streets and Highways (MUTCD), 11th Edition with Revision 1 (FHWA, December 2025), Section 4T.02 Meaning of Lane-Use Control Signal Indications, page 795

Practice traffic signals

Questions last reviewed: 18 October 2026