Arizona Police are told to look for the following twenty driving behaviors which indicate you might be driving drunk. This list of driving behaviors is in descending order of probability that you have an illegal blood alcohol concentration.


1. Turning with a wide radius

2. Straddling center of lane marker

3. "Appearing to be drunk"

4. Almost striking object or vehicle

5. Weaving

6. Driving on other than designated highway

7. Swerving

8. Speed more than 10 mph below limit

9. Stopping without cause in traffic lane

10. Following too closely

11. Drifting

12. Tires on center or lane marker

13. Braking erratically

14. Driving into opposing or crossing traffic

15. Signaling inconsistent with driving actions

16. Slow response to traffic signals

17. Stopping inappropriately (other than in lane)

18. Turning abruptly or illegally

19. Accelerating or decelerating rapidly

20. Headlights off