Members
- Aylesbury Vale District Council
- Bedford Borough Council
- Buckinghamshire County Council
- Cambridge City Council
- Cambridgeshire County Council
- Central Bedfordshire Council
- Cherwell District Council
- Forest Heath District Council
- Ipswich Borough Council
- Luton Borough Council
- Mid-Suffolk District Council
- Milton Keynes Council
- Norfolk County Council
- Norwich City Council
- Oxford City Council
- Oxfordshire County Council
- St. Edmundsbury District Council
- South Norfolk District Council
- Suffolk Coastal District Council
- Suffolk County Council
- Swindon Borough Council
- Vale of White Horse District Council
- Network Rail
- Port of Felixstowe (Hutchison Ports)
- Great Yarmouth Port Authority
- Aylesbury Vale Advantage
- Members shown in bold are part of the steering group.