On Fri, 11 May 2007, Clive D. W. Feather wrote:

In article , Tom
Anderson writes

Camden Town's not cross-platform?

Is it? I thought it has two close, but separate "sub-stations"?

Not exactly. There are separate bits for the Barnet and Edgware
branches, but the southbound platforms for both are sunk below the
northbound platforms, and there are level passageways connecting each
directional pair. Hang on, i'll have a crack at some ascii art:

Actually only the northbound connection is level - the southbound
passageways involves stairs to connect to them.

Ah, didn't realise that. Presumably, this is not such a huge deal, as
trains to both southern branches depart from each southbound platform, so
you have a same-platform interchange going south (provided a suitable
train is actually on its way). Going north, if you're on the wrong kind of
train, you will absolutely have to change platforms.

It's a shame that when Camden Town was built, it wasn't built as a proper
cross-platform interchange. I assume there are good reasons for it, but
it's still a shame.

tom

--
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