Northwest Territories Knowledge Test Coach
Signals and markingsQuestion 36 of 202
A grey road with a solid white line down the centre.

What does a solid white line mean?

  1. You may change lanes
  2. You must not change lanes
  3. You may pass
  4. You must stop
Show answer

Correct answer: You must not change lanes

Stay in your lane where you see a solid white line.

Source: Driver's Manual: A guide to safely operate cars and light trucks (Government of the Northwest Territories, revised August 2022), Chapter 2, Traffic Controls, Pavement Markings, Solid Lines, page 52

Practice signals and markings

Questions last reviewed: 18 October 2026