Botts' Dots, and other random California things - light-in-leaves
Botts' Dots, after a half-century, will disappear from freeways, highways – Orange County Register
Botts' Dots Make Roads Safer for Motorcyclists - Motorcycle Classics
CHP - Sacramento Communications Center - What are Botts' Dots? Botts' dots are raised markers used along roadways all over the United States, and especially in California. They were developed right here
California Invented 'Botts' Dots' Raised Pavement Markers—Now it's Phasing Them Out | Planetizen News