Mapping Britain's Underworld - BBC Radio 4

Has Britain found an answer to avoiding frustrating traffic jams? Four million holes are dug every year in the UK. Five billion pounds are lost through the economic effects of disruption and traffic hold ups, while hitting a utility pipe or cable can prove fatal for those working on the road. Adam Hart-Davis tries out the prototype of a multi-sensor cart where four different sensors operate together to produce an all-in-one solution to this draining problem.

Full programme details are below: http://www.bbc.co.uk/programmes/b01hxt5n