Quebec Knowledge Test Coach
Road signsQuestion 139 of 318

What do barriers at the start of a work site do?

  1. They show the speed limit of the work area
  2. They close part or all of the road to traffic
  3. They tell drivers where workers park
  4. They warn of a school zone ahead
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Correct answer: They close part or all of the road to traffic

Barriers close part or all of a road to traffic while work is in progress. They are placed at the beginning of the work site.

Source: Driver's Handbook, 2nd edition (SAAQ, 2018), Chapter 3, Road Signs and Traffic Signals > Identification and meaning of road signs and traffic signals, page 169

Practice road signs

Questions last reviewed: 18 October 2026