londoncityslicker wrote to uk.transport.london on Fri, 17 Jun 2005:

I don't think the Bank to Beckton trains are timetabled ones (I may be
wrong)
They just happen every so often for operational reasons I guess and when
there is engineering work.


I think there are one or two timetabled during the peaks.
--
"Mrs Redboots"
http://www.amsmyth.demon.co.uk/
Website updated 23 May 2005