Quebec Knowledge Test Coach
Traffic lights and pavement markingsQuestion 171 of 318

A bus priority light shows a white vertical bar. What may the bus driver do?

  1. Turn left only
  2. Turn left or right
  3. Go straight only
  4. Go in any direction
Show answer

Correct answer: Go straight only

A white vertical bar allows only straight movement. Left and right turns are not allowed for the bus.

Source: Driver's Handbook, 2nd edition (SAAQ, 2018), Chapter 3, Road Signs and Traffic Signals > Signal lights > Bus priority lights, page 111

Practice traffic lights and pavement markings

Questions last reviewed: 18 October 2026