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Old August 31st 07, 01:07 PM posted to uk.transport.london
Kev Kev is offline
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First recorded activity at LondonBanter: Nov 2005
Posts: 221
Default canning town jubilee line replacement program

On Aug 31, 1:15 pm, John B wrote:
(but never previously made operational anywhere, ever)

I think you will find that the world is littered with operational loop
based systems.

Kevin