On Thu, 13 Aug 2009 13:38:28 +0100
"Colin McKenzie" wrote:
If other posts to this thread are right, 4cm extra width adds about 0.6
sqm floor space. Crush-loaded, that must be about 3 extra people per
carriage. That's useful capacity.

Well it would be if people could be broken up into pieces and slotted into
the carraige in odd little bits of free space. But anyway who's been in a
tube when its packed and your back is against the door knows that an extra
inch behind you is going to make bugger all difference to the amount of
people who can squeeze on.

B2003