Matthew Dickinson wrote:
BAA did consider accepting PAYG, but decided not to proceed.

http://www.whatdotheyknow.com/reques...ncoming-243086

Hmm, looks like the issues are more complex than I thought:
http://www.whatdotheyknow.com/reques...vices.pdf.html

Oyster supporting a maximum of 15 fare zones looks like a bit short-sighted.
I think we're up to 12 already (according to another thread here or in
uk.r).

Theo