A section of the road C18 outside Thornden Farm, Red Barn, Ashburnham is due to be closed from 14th to 18th October for works by UK Power Networks. Diversions will be signed but are lengthy and are via Windmill Hill. At a guess would take 15-20 minutes. Read more to download the map download the map. Savvy locals will know that a far quicker deviation is via Farthing Lane. Early indications from UK Power Networks are that the road will be closed 24 x 7.