An officer stops a vehicle traveling at an unusually slow speed on an interstate after observing lane movement. During the traffic stop, the driver admits to consuming alcohol earlier in the evening. To safely continue the investigation away from traffic, the officer conducts field sobriety exercises at a nearby weigh station. As the evaluation progresses, the driver’s demeanor shifts as she begins to understand the seriousness of the situation. The encounter ultimately results in a DUI investigation and arrest. This video is presented for informational and educational purposes. An arrest does not equal a conviction.