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 too closely

*Drifting

*Braking erratically

*Driving into opposing traffic

*Signaling inconsistent with driving actions