Select riders can now call a self-driving taxi in Mountain View, Los Altos, Palo Alto, and parts of Sunnyvale. Is the Alphabet-owned company looking to get ahead of Tesla's robotaxi ambitions?

Alphabet's self-driving arm has continually been adding new cities to its roster. Here's where Waymo's robotaxis are available now.

The city of Walnut Creek recently placed signs prohibiting superbloom tourists from taking up all the nearby parking.