In message , at
20:34:52 on Tue, 25 Dec 2007, Dave remarked:
One possibility is to give the go ahead to the extension in principle
but not guaranteeing it will be built until finances are clearer.

Isn't that the regime that all railway building projects operate under,
anyway? The SPILL box and several remaining bits of Thameslink spring to
mind, let alone any of the Crossrail scheme.
--
Roland Perry