There is Marriotts Way in Norfolk that runs between Norwich & Aylsham and follows 2 disused railway lines. It includes paved path, gravel, sand, dirt and a fair bit of mud in winter! 26 miles of lovely non traffic riding (and its also part of the Sustrans Route No.1).
Edit: Wikipedia has a good amount of info about the railway history of the route.
There is Marriotts Way in Norfolk that runs between Norwich & Aylsham and follows 2 disused railway lines. It includes paved path, gravel, sand, dirt and a fair bit of mud in winter! 26 miles of lovely non traffic riding (and its also part of the Sustrans Route No.1).
Edit: Wikipedia has a good amount of info about the railway history of the route.