Guide for detecting impaired drivers

*Wide turning radius
*Straddling center of lane marker
*Appearing to be impaired
*Almost striking an object or vehicle
*Weaving
*Driving on other than designated roadway
*Driving 10 mph under the speed limit
*Swerving
*Stopping without cause in traffic lane
*Following to closely
*Drifting
*Braking erratically
*Driving into opposing traffic
*Signaling inconsistent with driving actions