A study into driverless cars has used a "ghost driver" to record other road user's responses.
https://www.bbc.co.uk/news/uk-england-nottinghamshire-65857348?at_medium=RSS&at_campaign=KARANGA&utm_source=dlvr.it&utm_medium=blogger
https://www.bbc.co.uk/news/uk-england-nottinghamshire-65857348?at_medium=RSS&at_campaign=KARANGA&utm_source=dlvr.it&utm_medium=blogger