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On 06/01/2012 12:48, Recliner wrote:
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Was there a particularly good reason not to do it? I can't think of
any disadvantages.

It was discussed at length here, last year I think. Basically, there
isn't room in non-articulated small Tube stock. Future Tube stock
may be articulated, and would then have open gangways.


I always thought that was the initial plan, and was slightly surprised
when I found out they were not walk through.

Yup, it is a disappointment. Had it not been for the PPP scheme, there's
a reasonable chance that the 2009 stock would have been based on the
space train ideas, with articulation, wider carriages, open gangways and
maybe even some form of air cooling.