Waymo’s robotaxi service is going live at its fourth major airport today: San Antonio International. The company said its vehicles will drop off riders curbside at the terminals, and pick up passengers at the airport’s designated rideshare area. This is the first airport Waymo is servicing in Texas, where the company currently operates in San Antonio, Austin, Dallas, and Houston. Waymo has been offering airport pickups and drops at Phoenix’s Sky Harbor International for a few years now, and has started servicing the San Francisco and San Jose Mineta international airports over the past few months. It also serves a handful of regional airports. Waymo launched its San Antonio robotaxi service in February, though it’s still not fully available to the public yet. The company has been operating an invitation-based system that it is scaling on a rolling basis — an approach it used in Dallas, Houston, and Orlando, too. The company said on Tuesday that its waitlist in San Antonio is now “[t]ens of thousands of people” long and that it plans to make its service available to “all public riders soon.” This phased approach is one way that Waymo is still being cautious in a year of otherwise rapid expansion. The company has said it wants to launch in around 20 new cities this year, including Tokyo and London. Its robotaxi service is currently live in 10 cities and is running more than 500,000 paid rides per week, roughly double the number it was operating at this time last year. Waymo is expected to start offering rides in its newest vehicle, the Zeekr-built van called Ojai, at some point this year. The company has shared data that it says proves its robotaxis are already safer than human drivers and reducing serious crashes. Still, Waymo keeps running into new