Uber self-driving cars to be tested on San Francisco roads

Uber is heading back to its hometown after getting the green-light to test its self-driving cars on public roads. The ride-sharing giant received a permit to conduct trials with two of its Volvo SUVs in San Francisco on Wednesday. Regulators have also approved 48 people as backup drivers who must sit behind the wheel in case the cars malfunction, but the vehicles are not allowed to pick up passengers along the way. Uber is heading back to its hometown after getting the green-light to test its self-driving cars on public roads. In December, Uber released a handful of its self-driving Volvo vehicles on the public roads of San Francisco - without checking with authorities.