Sharing the road with driverless cars

Chris Vallance finds out about research to help self-driving cars communicate with other road users. Hear what happened when he came into contact with a virtual vehicle!Also this week: you've probably seen the app on TV news recently, but how does MarineTraffic know which ships are doing what in the Strait of Hormuz? And Shiona McCallum checks out changes to Roblox age checks for children.Presenter: Chris Vallance Producer: Tom Quinn(Photo: An image of a driverless car on a main road. It's approaching a pedestrian crossing, with people walking in front of and around the side of the car. The car has sensors to detect its surroundings. Credit: Getty Images)