Self-driving cars have been promised as the future for the last decade with various manufacturers experimenting with their own designs alongside tech giants Google, Uber and Apple.

Nick Chater, Professor of Behavioural Science, has been trying to model the trickiest task for autonomous vehicles of navigating the cluttered and narrow roads of the UK's towns and cities.

But he admits to Core Insights host Trevor Barnes that it is an impossible task and he now believes self-driving vehicles will need their own roads rather than mixing with human controlled cars. Read more on the problems for autonomous vehicles here.