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Drunk Driving Signs

According to the NHTSA there are 24 driving signs that may predict that a driver's blood alcohol content is .08 percent or greater. Those signs were divided into four categories:

1. Difficulties in Maintaining Proper Lane Position:
   1. Weaving
   2. Weaving Across Lane Lines
   3. Straddling a Lane Line
   4. Drifting
   5. Swerving
   6. Almost Striking a Vehicle or Other Object
   7. Turning With a Wide Radius, or Drifting During a Curve
2. Speed and Braking Problems:
   8. Stopping Problems (Too Far, Too Short, Too Jerky)
   9. Accelerating for no Reason
   10. Varying Speed
   11. Slow Speed
3. Problems Being Alert:
   12. Driving Without Headlights at Night
   13. Failure to Signal a Turn or Lane Change, or Signaling Inconsistently With Actions
   14. Driving in Opposing Lanes or the Wrong Way on a One-Way Street
   15. Slow Response to Traffic Signals
   16. Slow or Failure to Repsond to Officer's Signals
   17. Stopping in the Lane for No Apparent Reason
4. Problems with Judgment:
   18. Following Too Closely
   19. Improper or Unsafe Lane Change
   20. Illegal or Improper Turn (too fast, jerky, sharp, etc.)
   21. Driving on Other than the Designated Roadway
   22. Stopping Inappropriately in Response to an Officer
   23. Inappropriate or Unusual Behavior
   24. Appearing to Be Impaired.

After the officer has stopped the suspected drunk driver, the following signs help him to determine if the BAC of the driver is .08 or above and if a DUI arrest should be made.

1. Difficulty with Motor Vehicle Controls
2. Difficulty Exiting the Vehicle
3. Fumbling with Driver's License or Registration
4. Repeating Questions or Comments
5. Swaying, Unsteady, or Balance Problems
6. Leaning on the Vehicle or Other Object
7. Slurred Speech
8. Slow to Respond to Officer/Officer Must Repeat Questions
9. Provides Incorrect Information or Changes Answers
10. Odor of Alcoholic Beverage from the Driver

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