Traffic and TravelPM Rishi Sunak challenged over smart motorways pledge - as minister insists under construction schemes must go aheadBy Michael UptonPublished 6th Mar 2023, 11:53 BSTUpdated 6th Mar 2023, 11:57 BST TRANSPORT officials have maintained that halting under-construction smart motorway schemes would do more harm than good. Related topics:Rishi Sunak