Biggest challenge for self-driving cars is human drivers

In just a few years, well-mannered self-driving robotaxis will share the roads with reckless, law-breaking human drivers. The prospect is causing migraines for the people developing the robotaxis. A self-driving car would be programmed to drive at the speed limit. A self-driving Uber car stops at a red light on Liberty Avenue through the Bloomfield neighborhood of Pittsburgh. In just a few years, well-mannered self-driving robotaxis will share the roads with reckless, law-breaking human drivers.