When a dust storm engulfs the highway in Arizona, what should you do according to the 'Pull Aside, Stay Alive' campaign?

1. Slow down and continue with your headlights and flashers on
2. Pull completely off the paved roadway, turn off all lights, and keep your foot off the brake
3. Stop in the travel lane and turn on your hazard flashers
4. Speed up to get through the storm as quickly as possible