https://www.reuters.com/article/autos-tesla-autopilot/san-francisco-raises-tesla-self-driving-safety-concerns-as-public-test-nears-idUSKBN2GJ1Y3 >San Francisco transport authorities on Thursday raised concerns about the safety record of Tesla's advanced driver assistant system, as the electric car maker prepared a wide release of a test version of the software that works on city streets and highways.