In message , Andy
writes
Apparently the trains are to be craned out during the closure for
modification.

That's the only way they will get out of the drain. Andrew
Considering all the years the Drain has been running why has a ramp not
been built to get trains out to B.R. or since conversion, as it's 92
stock connect it to the nearest tube at Bank or the nearest underground
line at waterloo.
--
Clive