In message , at 22:44:21 on
Tue, 22 Dec 2009, Batman55 remarked:
I'm sorry? Are you saying that people passing a point, say half way down the
escalator at speed X in 2 columns will carry more than one column at speed X
and the other at 3-4X (which is what walking achieves)?

I doubt that walking down more than doubles the throughout, and against
that you have to balance the increased separation between walkers
compared with standees.
--
Roland Perry