What is a deceleration lane?

A deceleration lane is a lane at a highway exit. You move into it to slow down, away from the traffic on the highway. If you can, do most of your slowing in this lane. Some deceleration lanes are short, so you may have to start to slow down on the highway.

Source: Driver’s Guide: Cars and Light Trucks (Government of Alberta, Spring 2026), Exiting, page 76

Highway drivingQuestion 43 of 235

Practice question

You leave a highway where a deceleration lane exists. Where should you do most of your slowing, if you can?

  1. On the highway, before you signal.
  2. In the deceleration lane.
  3. In the emergency stopping lane.
  4. At the end of the ramp, with hard braking.
Show answer

Correct answer: In the deceleration lane.

Do most of the slowing in the deceleration lane, if you can. Some lanes are short, so you may need to start slowing on the highway.

Practice highway driving

Questions last reviewed: 18 October 2026