United States Permit Test Coach
Traffic signalsQuestion 106 of 223

In a signal face with lights one above the other, which color is at the top?

  1. Yellow
  2. Green
  3. The color depends on the road
  4. Red
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Correct answer: Red

In a vertical signal face, red is always above yellow and green. The usual order from top to bottom is red, yellow, green.

Source: Manual on Uniform Traffic Control Devices for Streets and Highways (MUTCD), 11th Edition with Revision 1 (FHWA, December 2025), Section 4E.04 Positions of Signal Indications within a Vertical Signal Face, page 719

Practice traffic signals

Questions last reviewed: 18 October 2026