On Sun, 20 Jan 2008, MIG wrote:

New stations and better interchanges on existing lines could provide a
lot of new person-routes, both north and south of the Thames, at much
less cost than new lines.

I think the original suggestion was about capacity, not routes. Building
more stations on existing lines can't increase capacity.

There are probably cheaper options than extending the Bakerloo, though.

tom

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