Bedford: http://www.travelbedford.co.uk/Cycling_maps.html

Buckinghamshire: https://www.buckscc.gov.uk/services/transport-and-roads/cycling-and-walking/cycle-bucks/

Cambridgeshire: https://www.cambridgeshire.gov.uk/residents/travel-roads-and-parking/cycling/cycle-routes-and-maps

Central Bedfordshire: https://www.centralbedfordshire.gov.uk/info/82/countryside/423/cycling_in_the_countryside

Lincolnshire: https://www.lincolnshire.gov.uk/downloads/download/100/cycle-routes-in-lincolnshire

Norfolk: https://www.norfolk.gov.uk/out-and-about-in-norfolk/norfolk-trails/cycle-routes

Northamptonshire: https://www.northamptonshire.gov.uk/councilservices/northamptonshire-highways/cycle-northants/where-to-cycle/Pages/journey-planner.aspx

Oxford: https://www.oxford.gov.uk/info/20077/cycling/853/bicycle_routes_in_oxford

Peterborough: https://travelchoice.org.uk/cycling/peterborough-routes/

Suffolk: https://www.suffolkonboard.com/cycle