Thanks for the note. The route in question has been set as access=no by default (I'd have used private) but with foot=designated and the public footpath tags, such as on this way https://www.openstreetmap.org/way/1180917816 and the route planners on OpenStreetMap.org happily use it - I've recently walked it myself (see http://Mapillary.com ), parts when walking from Little Clacton to Brightlingsea, and parts when walking from Bentley Country Park to Colchester. Since your note (which I've only just spotted) I've been adding fields, fences, gates etc from Mapillary to make it even easier to follow the route. So I'll close this note.