The rollout of smart motorways has been stopped because of safety fears, but there are still 250 miles of the network with no hard shoulder. The government says new technology will make existing stretches of smart motorways safe. But what happens when the technology doesnโt work? Panorama reveals how equipment failure and power cuts can leave motorists in danger if they break down. When the system isnโt working, the cameras wonโt see you, the radar wonโt find you and youโll have no idea the motorway isnโt smart anymore. Reporter Richard Bilton meets the people whose lives have been changed by the roads that keep failing.