We’ve only recently picked this up but it sounds very worthwhile and includes proposals for locations including routes for Heathfield and Hailsham. There’s a survey for public feedback / support, and the deadline is 11th December.
Here’s the background:
Local cycle groups have been working for a number of years with East Sussex County Council to produce a Local Cycling and Walking Infrastructure Plan (LCWIP), and this is now out for consultation. Cycling and walking groups say: “In order to build on the momentum behind the declarations of a Climate Emergency and the setting of Zero Carbon goals by Lewes, Eastbourne, Rother and Hastings, we need to demonstrate popular support for better cycling and walking routes.” Apparently the UK is decades behind other European Countries in the development this infrastructure.
The 1066 Cycle Club, the Hastings and Rother Volunteer Rangers, and the Battle Health Pathway Project Group ask you to join them in showing your support by completing ESCC’s survey and they ask people to tell their friends, neighbours and families who live in East Sussex.  Here’s the link:https://consultation.eastsussex.gov.uk/economy-transport-environment/escc-lcwip-2020/
The survey takes less than five minutes. 
On the East Sussex LCWIP page (above), there’s also a link to the proposals. They’re very comprehensive, but it’s worth checking out the local plans for places such as Heathfield and Hailsham, from pp20 onwards.