A: Most DUI arrests occur at night and on weekends. The following is a list of indicators that someone might be DUI. The list is based upon research conducted by the National Highway Traffic Safety Administration (NHTSA):

  • Turning with a wide radius
  • Straddling the center of lane marker
  • Almost striking an object or vehicle
  • Weaving
  • Swerving
  • Going more than 10 mph below the speed limit
  • Stopping for no reason in a traffic lane
  • Following too closely
  • Drifting
  • Running tires on the center line or lane marker
  • Braking erratically
  • Driving into opposing or crossing traffic
  • Signaling in a way that doesn’t match driving actions (for example, signaling left and then turning right)
  • Slow response to traffic signals
  • Stopping inappropriately
  • Turning abruptly or illegally
  • Accelerating or decelerating rapidly
  • Driving with the headlights off (at night)