Autonomous car specialist Waymo has said it's expanding its robotaxi service in Los Angeles less than a year after launching there.

Waymo on Tuesday opened its robotaxi service to anyone who wants a ride around Los Angeles, marking another milestone in the evolution of self-driving car technology since the company began as a secret project at Google 15 years ago.

While anyone in Los Angeles can book a trip with Waymo there are limitations such as it doesn't provide a ride to airports or trips on the highway.