End of the Road for Botts' Dots: Round Markers Being Phased Out in

The 1950s postwar boom led to rapid increase of cars (and collisions) on California roads and, in turn, the development of Botts’ dots, a design solution that is just now starting to be phased back out. Developed by Caltrans, the dots (sometimes referred to as “turtles” in the Pacific Northwest or “buttons” in Texas) were named after Dr. Elbert

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End of the Road for Botts' Dots: Round Markers Being Phased Out in