Tim Roll-Pickering wrote:
All the signs up say this came in on October 10th.

I'm not sure where you saw that, but the official word is November
2006. Also, this is from london.gov.uk - "A £4 charge for Oyster pay
as you go users who do not touch in and out at the start and end of
their journey will be introduced in November 2006"

also found on tfl.gov.uk at the following link -
http://www.tfl.gov.uk/tfl/press-cent...t.asp?prID=891