PHOENIX (AP) — A fleet of self-driving Uber cars left for Arizona on Thursday after they were banned from California roads over safety concerns.

The announcement came after Arizona Gov. Doug Ducey took to social media on Wednesday and Thursday touting Arizona as an alternative to California for the ride-hailing company to test out its self-driving cars.

Ducey, a Republican, sent tweets advertising Arizona's friendly business environment, saying Uber should ditch California for the Grand Canyon state.

Uber said in a statement that it had shipped its cars to Arizona and will be expanding its sel...