On 25/05/2010 13:26, Paul Rigg wrote:


If you ignore the wheelchair symbol the Dalston Junction symbol looks
the same as the Mile End or Finsbury Park symbols , both of which are
cross platform interchanges.

I note that Hammersmith has also been changed so that the District and
Hammersmith & City stations are joined as one station. I am sure that at
one time they were not. Does this show some change in policy on the part
of LRT . Is it to indicate that Oyster recognises that travel via those
stations is an interchange?

I would imagine that Hammersmith coalesced when the wheelchair blobs
were introduced. The old system of having one interchange blob separated
from the other two would obviously no longer work, since the wheelchair
blob hides the interchangeness.