Class 7 Coach
Road signsQuestion 24 of 235
Yellow diamond sign with a flat road line and three bumps

A yellow diamond sign shows a flat road line with three humps. What does it warn about?

  1. A steep hill
  2. Ice on a bridge
  3. A bump in the road
  4. The end of the pavement
Show answer

Correct answer: A bump in the road

The humps on the sign show a bump in the road. The guide lists this sign with changing road conditions.

Source: Driver’s Guide: Cars and Light Trucks (Government of Alberta, Spring 2026), Warning signs, page 37

Practice road signs

Questions last reviewed: 18 October 2026