California drivers: Say goodbye to the Botts Dot, the bump that made your car go thump

California drivers: Say goodbye to the Botts Dot, the bump that made your car go thump

The Sacramento Bee »

The classic white ceramic dot, a notable innovation in its day, appears to be a bad fit as a lane marker in the emerging new world of driverless cars that rely on cameras, radar and computers to “read” and understand lane lines.