Turning with a wide radius

Turning with a wide radius or drifting duringa curve is the final cue in this category of driverbehaviors. A vehicle appears to drift to the outsideof the lane or into another lane through thecurve or while turning a corner. Watch for thiscue, and stop the driver when you see it. Manyalcohol-involved crashes are caused by anexpanding turn radius or drifting out of laneposition during a curve.