BoristheSpider wrote:
The change is basically a loss of resilience for the Chesham punter,
at the moment if the met is broken they can get the Chiltern to
Chalfont & Latimer to get the shuttle, now if the Met is SNAFU so is
everyone living in Chesham....the next step closure?

If nothing was getting out of London, nothing would be sent into London: the
trains turned short would go to Amersham and Chesham alternately.