On Apr 29, 2:36*pm, Barry Salter wrote:
Hi folks,

As has been reported in the past, the extension of Oyster PAYG to
National Rail will see an end to the current fixed maximum journey time
of 2.5 hours for certain journeys. Instead, a *variable* maximum will be
applied when you touch out, based on the zones travelled through.

The latest list of stations affected by this has now appeared, and reads
as follows:

Acton Town * * * * * * *Hammersmith (D&P) * * * Southall (NR)
Amersham * * * * * * * *Hanger Lane * * * * * * Sudbury & Harrow Rd (NR)
Bank / Monument * * * * Hayes & Harlington (NR) Sudbury Hill
Barking * * * * * * * * Kenton * * * * * * * * *Sudbury Hill Harrow (NR)
Bond Street * * * * * * Liverpool St (LU & NR) *Upminster
Camden Road (LO) * * * *Mile End * * * * * * * *Victoria
Camden Town * * * * * * Northwick Park * * * * *West Drayton (NR)
Canary Wharf (LU & DLR) Paddington (LU & NR) * *West Ham
Canning Town * * * * * *Park Royal * * * * * * *West Hampstead (LU & NR)
Earl's Court * * * * * *Poplar (DLR) * * * * * *Westminster
Euston (LU & NR) * * * *Rayners Lane * * * * * *White City
Greenford * * * * * * * Royal Victoria (DLR) * *Wimbledon
Gunnersbury * * * * * * Shepherd's Bush (Cen) * Wood Lane
Hammersmith (C&H) * * * Shepherd's Bush (NR) * *Woolwich Arsenal (DLR)

Note, however, that the definition of the variable maximums isn't given.

How does Oyster handle break-of-journey of 15 minutes today, and
will there be future changes? I can't see it offering the flexibility
to, say, break my journey at every station between Victoria and Purley
for no additional cost, as I can today with any walk-up ticket.