You can turn on and off each individual notification. And it also has voice commands built in to control the app. You don't even need the phone's screen on. It can be in your pocket while driving.

And it is relevant to you no matter what lane you are in. If there is a car on the shoulder, someone in the right lane could be not paying attention, and swerve into you to avoid that car. Though you should be always on high alert while driving, having a little extra notification and awareness could save your life.