Phase 2a was announced today. Due to happen ‘next year’. Here’s the stations listed by line heading clockwise from 9 o’clock.
https://www.gov.uk/government/news/transport-secretary-fires-the-starting-gun-on-rail-reform-as-public-ownership-bill-reaches-final-stages-in-commons
Saunderton, Princes Risborough, Monks Risborough, Little Kimble, Aylesbury
Great Missenden, Wendover, Stoke Mandeville, Aylesbury, Aylesbury Vale Parkway
Luton, Leagrave, Harlington
Welwyn North, Knebworth
Watton-at-Stone
Roydon, Harlow Mill, Harlow Town, Sawbridgeworth, Bishop’s Stortford, Stansted Mountfitchet, Stansted Airport
Ingatestone, Chelmsford, Hatfield Peverel, Witham
Billericay, Wickford, Rayleigh, Hockley, Rochford, Southend Airport, Prittlewell, Southend Victoria
Woldingham, Hurst Green, Oxted, Lingfield, Dormans, East Grinstead
Reigate
Ashtead, Leatherhead, Box Hill & Westhumble, Dorking (Main)