As moves continue to convert much of the M27 next year, here’s our at-a-glance-guide
BusinessHow do smart motorways work?By The NewsroomPublished 17th Jan 2017, 13:12 BSTUpdated 17th Jan 2017, 13:17 BST They're becoming more and more common - but how do smart motorways work?As moves continue to convert much of the M27 next year, here’s our at-a-glance-guideRelated topics:M27