Hs2 have published details of footpath closures and diversions for works starting May 2021 on the airfield.
All routes to Aston-Le-Walls will be cut off over the next few months apart from via the A361 and Welsh Road
https://chippingwarden.org/wp-content/uploads/2021/04/Notice-of-road-footpath-closures-AlW-CW_070421.pdf