Political parties are being urged to commit to the "lifesaving" choice of scrapping all "smart" motorways nearly five years after the "needless" death of two men on a stretch of the MI in Yorkshire.
Collisions on motorways with the hard shoulder removed will fall under the remit of the Road Safety Investigation Branch launched by the Department for Transport.
National Highways will not face corporate manslaughter charges over fatal crashes on smart motorway walesonline.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from walesonline.co.uk Daily Mail and Mail on Sunday newspapers.