Class 7 Coach

What does a white diamond marking in a lane mean?

A white diamond marking shows that the lane is reserved for specific vehicles. Signs near the lane can show the times and the vehicles that can use it.

Source: Driver’s Guide: Cars and Light Trucks (Government of Alberta, Spring 2026), Pavement markings, page 41

Road signsQuestion 145 of 235
Long white outlined diamond painted on a grey lane between two white lines

Practice question

A long white diamond is painted on a lane. Who can use the lane?

  1. Only specific vehicles.
  2. All vehicles.
  3. Only vehicles that turn left.
  4. Only vehicles that go to a railway.
Show answer

Correct answer: Only specific vehicles.

A diamond marking shows that the lane is for specific vehicles. A sign near it can show the times or the vehicles.

Practice road signs

Questions last reviewed: 18 October 2026