Waymo robotaxis are now available exclusively on the Uber app in Atlanta. It’s the second city after Austin host the companies’ burgeoning partnership.

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Riders can hail a Waymo across 90 square miles of Austin, including neighborhoods like Crestview, Windsor Park and Franklin Park and locations like The Domain and McKinney Falls State Park.

“With recent growth in Austin and California, plus opening in Atlanta with Uber, Waymo now serves more than 700 sq mi across the US,” the company said. According to Waymo, it has driven over 100 million fully autonomous miles without a human behind the wheel.

Alphabet's Waymo announced it has significantly expanded its autonomous ride-hailing service in Austin, growing its coverage from 37 to 90 square miles and adding new neighborhoods and destinations to its network.

Alphabet's Waymo is expanding its service in Austin, Texas, to 90 square miles from 37 square miles earlier, the software giant's self-driving unit said on Thursday, seeking to protect its top position in the city from rivals such as Tesla.

Waymo currently operates fully autonomous robotaxi services in Phoenix, San Francisco, Los Angeles, and Austin.