"Peter Masson" wrote in message
...

Colin Rosenstiel wrote in message
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In article , d
() wrote:
On a similar note - how far down the piccadilly line towards heathrow can
surface stock venture?

Brake testing at South Ealing? The line was cleared to just short of
Hounslow West IIRC.

Until the early 1960s there were a few District trains which ran to (the old
station at) Hounslow West.

Peter

Its seems very short sighted that they didn't dig full size tunnels to
Heathrow. Now they could have benefited from S7s going to the airport
instead of an undersized tube train.

Kevin