I trust, of course, that you wouldn't advocate making NO effort to improve the Tube/T/etc?
Fair points, assuming that running a reboring machine through it is the only way to alter the cross-section of a tunnel (which it may well be--I don't know anything about the tech involved for that)
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I don't, but I can't think of a cheaper way. Any tunnel widening is disruptive. Even more so if you need to move the line anyway to extend the platforms.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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