On Thu, 2 Oct 2008 05:37:17 -0700 (PDT), Jamie Thompson wrote:

I was having a moment of curiosity last night about the train lengths,
and vaguely recalled (and seemed to find mentions of) platform
lengthening as part of the upgrade...but no details. Don't suppose
anyone knows any?

IIRC there was talk of Notting Hill Gate, Bayswater, Edgware Road, and
Baker Street (Circle) being lengthed from 6 to 7 cars, to allow 7-car
trains on the entire Circle. But did someone suggest it had been
canned?