United States Permit Test Coach
Traffic signalsQuestion 89 of 223
Traffic signal face with the top red circle lit and the yellow and green circles dark

What must you do when you face this signal?

  1. Stop at the stop line and wait for a signal to go
  2. Slow down and go on if the road is clear
  3. Stop only if other vehicles are in the intersection
  4. Go on if you plan to turn right or left
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Correct answer: Stop at the stop line and wait for a signal to go

A steady red signal means stop. Stop at the stop line. Stay stopped until a signal tells you to go. Some places do not allow a turn on red. Look for a sign that bans it.

Source: Manual on Uniform Traffic Control Devices for Streets and Highways (MUTCD), 11th Edition with Revision 1 (FHWA, December 2025), Section 4A.03 Meanings of Steady Vehicular Signal Indications, page 685

Practice traffic signals

Questions last reviewed: 18 October 2026