Traffic lights and pavement markingsQuestion 168 of 318

A vehicle ahead has a flashing or rotating yellow light. What does this light tell you?

  1. It may drive through red lights
  2. It may drive much slower than the speed limit
  3. It may force other drivers to stop
  4. It may pass other vehicles on the right only
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Correct answer: It may drive much slower than the speed limit

A yellow rotating light warns you that the vehicle may hinder traffic or travel much slower than the speed limit. Be careful.

Source: Driver's Handbook, 2nd edition (SAAQ, 2018), Chapter 3, Road Signs and Traffic Signals > Signal lights > Work site lights, page 109

Practice traffic lights and pavement markings

Questions last reviewed: 18 October 2026