> What I’m still wondering is what is limiting the scaling for Waymo

I'm also very curious about this. Probably a mix of many things: training the driver to handle tricky conditions better (e.g. flooded roads), getting more Ohai vehicles imported and configured, configuring the backlog of Jaguar iPace and trucking them out to new markets, mapping roads and non-customer testing in new markets, getting regulatory approval/cooperation in other market (e.g. DC), finding depot space, hiring maintenance team, etc.