Northwest Territories Knowledge Test Coach
Sharing the roadQuestion 159 of 202

You see the flashing lights of an emergency vehicle at an incident ahead. How much should you reduce your speed?

  1. To 20 km/h under the limit
  2. To one quarter of the limit
  3. To half of the posted speed limit
  4. You need not change speed
Show answer

Correct answer: To half of the posted speed limit

Flashing lights warn of a problem ahead. Slow to half the posted limit and follow directions of personnel.

Source: Driver's Manual: A guide to safely operate cars and light trucks (Government of the Northwest Territories, revised August 2022), Chapter 6, Emergency flashing lights, page 112

Practice sharing the road

Questions last reviewed: 18 October 2026