Highway drivingQuestion 193 of 235
Why do you do a shoulder check in addition to a mirror check?
- It shows the area that your mirrors cannot show.
- It shows your speed.
- It tells others that you plan to move.
- It takes the place of the signal.
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Correct answer: It shows the area that your mirrors cannot show.
Mirrors leave blind spots. A quick look over your shoulder can show a vehicle or cyclist there.
Source: Driver’s Guide: Cars and Light Trucks (Government of Alberta, Spring 2026), Changing lanes, page 73
Practice highway drivingQuestions last reviewed: 18 October 2026