Solar Penguin wrote:

Suppose you want to travel, for example, from Crystal Palace to Oxford
Circus. Why can't you simply buy a cheap day return from Crystal Palace
to Oxford Circus?

In all probability I could then do some shopping, wander about and decide
to end up at Piccadilly Circus before going back to Crystal Palace. A zonal
ticket will work fine, your inflexible point-to-point return ticket of
course won't.


--
Phil Richards
London, UK
Home Page: http://www.philrichards1.pwp.blueyonder.co.uk