End of the Road for Botts' Dots: Round Markers Being Phased Out in California - 99% Invisible

Caltrans is phasing out the white plastic Botts Dot that separates

Blog — Hochstein Design - Golf Course Architecture

Anthropology - Butler University

I believe those are the old-fashioned marble type reflector units

Highway Billboards — Design Life-Cycle

The Best Cyber Monday Deals (Of The Thousands We've Scanned

California Invented 'Botts' Dots' Raised Pavement Markers—Now it's

Caltrans is phasing out the white plastic Botts Dot that separates

Podcasts Archive

Botts' Dots, after a half-century, will disappear from freeways