If you encounter a dust storm while driving, you should:

If you encounter a severe dust storm, you should immediately reduce your speed, drive completely off the highway, stop as far to the right as possible (taking care not to stop in the travel or emergency lanes), turn off your lights, take your foot off the brake, remain in the vehicle with your seat belt(s) buckled, and wait until the dust storm has passed.

Wait, before you go

Ace Your Arizona DMV Written Test with our Guaranteed Cheat Sheet