Richard J. wrote:

Eventually there will be an interchange passage between the
"tube" and "subsurface" platforms without the need to pass through
the ticket gates, one of the last, achievable, recommendations of
the Cullen report following the Kings Cross fire.

Do you have a date for this "eventual" change? Is it part of the
current project or a "nice-to-have" feature for the indefinite future?

Firstly, nobody spotted the deliberate mistake, it's the Fennell report.
Secondly, no date, as the works can only be started once the new ticket hall
opens, but it's a part of the current project. However, the Northern ticket
hall...