In message , at 09:13:22 on
Sun, 2 Dec 2012, Paul Corfield remarked:
It also means that ITSO spec cards issued by train companies will be
able to be read and accepted in London provided the card holds a
product valid in London.

As discussed recently over in uk.railway regarding the Southern "The
Key" ITSO card.

http://www.southernrailway.com/smart...ing-the-key/4/

(In London from Winter 2013).
--
Roland Perry