VDOT's zigzag road striping (Mike Salmon/VDOT via Washington Post)

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Zigzag. In April 2009, the Virginia Department of Transportation installed a painted zigzag stripe where a road and a bike trail intersect. Wash Cycle reports that VDOT has since studied the effects of the experimental installation and determined the lines have improved safety and reduced speeds at the trail crossing. These zigzags common overseas, but could they be coming to a street corner near you?

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