United States Permit Test Coach
Regulatory signsQuestion 22 of 223
White sign with the black words TWO-WAY LEFT TURN ONLY and two arrows that point away from each other

What is a lane with this sign used for?

  1. Passing slow vehicles on a two-lane road
  2. Left turns by vehicles from both directions
  3. Through travel in one direction only
  4. Parking while you wait to turn
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Correct answer: Left turns by vehicles from both directions

A two-way left-turn-only lane is for left turns from either direction. Do not use it for passing or for through travel.

Source: Manual on Uniform Traffic Control Devices for Streets and Highways (MUTCD), 11th Edition with Revision 1 (FHWA, December 2025), Section 2B.32 Two-Way Left-Turn-Only Signs (R3-9a and R3-9b) and Plaques, page 135

Practice regulatory signs

Questions last reviewed: 18 October 2026