ROSS CLARK: It s always difficult for a government to admit it has made a mistake and wasted millions of pounds of taxpayers money making something worse.
Smart motorways could be abandoned, say construction industry sources 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.
Ministers had already paused the construction of new smart motorways, which convert the hard shoulder into another active traffic lane and use variable speed limits, in January last year.