On Mar 5, 4:38*pm, Clive Page wrote:
The other day I needed to reach the Old Street area and noticed on the
London Central Bus map leaflet the 812, which might have been useful.

It's run by HCT, and contracted by Islington and Hackney councils -
not TfL.
There are some details at http://www.hctgroup.org/index.php?sectionid=95
and Wikipedia has a picture of one in all its yellow glory at
http://en.wikipedia.org/wiki/Plus_Bus_route_812