Portbury Hundred Road Closure for Three Weeks to Enable Essential Surfacing Work Monday, September 29, 2025 portbury somerset portishead m5 northsomerset roadworks surfacing closure traffic diversion The Portbury Hundred, the key route connecting the Somerset town of Portishead to the M5 motorway at Gordano Interchange, will be closed overnight for a three-week period starting tonight. The closure will be in effect from … Read More