On Fri, 25 Jan 2008 10:25:20 -0800 (PST), Mizter T
wrote:

I cannot envisage a scenario where passengers had
to touch-out when they exited the bus as being remotely workable
whatsoever, so that's not really what I'm asking about.

As mentioned, it is entirely workable and is implemented or about to
be implemented like that in a number of countries. Indeed, with
London-style split entrances and exits it is dead easy to implement
and glaringly obvious as to the purpose of each reader.

Neil

--
Neil Williams
Put my first name before the at to reply.