Botts Dots are made of ceramic, other dots may be made of plastics such as polyester. On some roads, lanes are marked only with a mix of Botts' dots and...

specific types of raised pavement markers include convex vibration lines, Botts' dots, delineators, cat's eyes, road studs, or road turtles. Sometimes they...

research that led to the development of Botts' dots and possibly the epoxy used to attach them to the road. Botts was born in Missouri in 1893 and was a...

green, red, and blue. Botts' dots (low rounded white or yellow dots), named for the California Caltrans engineer Elbert Botts, who invented the epoxy...

high volume roads; both Botts' dots and cat's eyes are used (typically there is one cat's eye followed by three Botts' dots places in every ten-metre...

markers in some countries and states are marked with Cat's eyes or Botts dots. Botts dots are not used where it is icy in the winter, because frost and snowplows...

Blacker Bombard – Stewart Blacker Bloomers – Amelia Bloomer Botts' dots – Elbert Dysart Botts Bourdon gauge – Eugène Bourdon Bowden cable – Ernest Monnington...

states are marked with cat's eyes, Botts' dots or reflective raised pavement markers that do not fade like paint. Botts dots are not used where it is icy in...

vehicular or pedestrian access through a controlled point. Bottleneck Botts' dots Round non-reflective raised pavement markers used to mark lanes on roads...

bypass Unused highway Wide outside lane Woonerf Demarcation Bollard Botts' dots Cable barrier Cat's eye (road) Concrete step barrier Constant-slope barrier...