Northwest Territories Knowledge Test Coach
Signals and markingsQuestion 18 of 202

A vertical traffic signal has three lights. Which colour is at the top?

  1. Amber
  2. Green
  3. Red
  4. It changes
Show answer

Correct answer: Red

On a vertical signal, red is on top, amber in the middle and green at the bottom.

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, Traffic Control Signals, page 44

Practice signals and markings

Questions last reviewed: 18 October 2026