The contractor working on a £5m roundabout upgrade has announced the upcoming dates it is set to be closed. Breheny is working to make the A20 Coldharbour Roundabout in Maidstone larger, with the addition of give way lines. Kent County Council (KCC) says it will help reduce congestion in the area and boost air quality. Over the past month, the traffic lights on the roundabout have been completely removed, along with the existing footpath. New drainage has been put in which is set to reduce the threat of flooding. However, this meant the existing foliage couldn’t be retained. Kerbs have been ad…