On 06/01/2012 12:48, Recliner wrote:
wrote in message

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.