The fast expansion of Waymo’s driverless car service is growing competition for Uber. The companies are also partners.

Uber is one step closer to letting customers hail a self-driving vehicle in Austin, Texas, through its app. The company on Wednesday opened up its interest list so that curious riders can declare their interest in potentially being matched with a Waymo robotaxi,

Uber is opening its "interest list" for riders in Austin, Texas who want to try Waymo robotaxi service there soon. Riders in Austin will be able to travel across 37 square miles of the city when Uber and Waymo fully launch the service.

Uber riders in Austin can now increase their chances of being matched with a fully autonomous vehicle for trips around town. Why it matters: Waymo has been testing driverless taxi services in Austin since last year,

Uber is launching an “interest list” for users in Austin, Texas, who want early access to Waymo robotaxis. The upcoming Uber-Waymo service will span 37 square miles of Austin and offer rides in Jaguar iPace electric vehicles equipped with Waymo’s autonomous driving systems.