James Derrick
Hi FellWalker,
I've added paths using a mix of NPE old OS, Bing imagery and Strava high-res data. The density of data suggests the ways are well used, but doesn't give information on the usage (bike/ run) nor the surface. 
Several align with (likely imported) forest cutline gaps - suggesting a wider track. Others match older NPE OS tracks.
A review of the additions would be appreciated, but for now, I'll close the comment as the specific path referenced has been added.

Happy Mapping,

James