The Open Guide to London: the free London guide - Differences between Version 5 and Version 4 of Crossrail
Contents are identical
A plan to provide a full-size (i.e. 'overground') link between Paddington Station and Liverpool Street Station. Much talked about by politicians; the Olympic bid for 2008 may finally get it moving (although would be unlikely to be finished in time.
Likely to be very expensive, as would invove major tunneling work underneath central London.
epolitix.com has an excellent history of Crossrail.
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