As of  April 1st. 2008 everyone aged over 60, or eligible as disabled, can get free off-peak* bus travel on local buses anywhere in England. (Over 60s in Scotland and Wales already get free national bus travel at any time of the day)

*Off-peak is travel between 9.30am and 11pm weekdays and anytime during the weekend.

Free bus pass: 20 great bus routes

(link via telegraph.co.uk)