On Jun 4, 7:16*pm, 1506 wrote:
It is a pity that the North Acton and Shepherds Bush has gone. *I
guess the Central Line could be droppep into a sub surface trench and
a new link built above it.

No chance - from North Acton the Central Line quickly rises to
embankment once it emerges from under the GWML and North Pole depot
and passes over a number of bridges and then, just after East Acton,
the WB line crosses over as right-hand running is in place from there
to just before Shepherd's Bush (a throwback to the old CLR Wood Lane
loop).

THC