equipment out of action for days at a time. some smart motorways have a hard shoulder. most don't. national highways says smart motorways are our safest roads. richard bilton reports. break down on a smart motorway and you could be in trouble. there are emergency lay—bys — the government is building more — but if you can't make it, you're trapped in a live lane. what's supposed to keep you safe is technology, cameras, radar and signals. but it can't help you if it's not working. we found that on a regular basis much of the safety equipmentjust doesn't work. either no power or the kit itself is broken. so, no vehicle detection, no cameras. that means the motorway is not smart any more and you're on your own. we put in a freedom of information request and found that between june 2022 and february this year, power was lost on the smart