On 2015\06\23 23:01, Recliner wrote:
wrote:

In my book the absence of the Northern Line City branch is more surprising.
I know the City is still pretty dead outside office hours, but Old Street
and London Bridge?

Perhaps because of the looming rebuilding of Bank station, with a new
southbound platform tunnel for the Northern line?

That wouldn't stop them running northbound service via Bank and two-way
service via Charing Cross, would it?