Saskatchewan Knowledge Test Coach
Signals and markingsQuestion 224 of 345

What may alternating flashing amber lights warn you about?

  1. A railway crossing is ahead
  2. A school bus is stopped
  3. A lane is closed
  4. Traffic lights ahead are red or about to turn red
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Correct answer: Traffic lights ahead are red or about to turn red

These flashing lights give early warning of a red signal ahead.

Source: Saskatchewan Driver's Handbook (SGI, 2026-27), 4.15 Traffic signals, page 93

Practice signals and markings

Questions last reviewed: 18 October 2026