"Paul Terry" wrote
What are those orange and yellow "target" like things one sometimes (but
not always) sees on the front nearside wing of London taxis?
It signifies they are part of Computercab. You can see them on the
changing pix at the top of http://www.computercab.co.uk

Well, well!
"A member of ComfortDelGro" - same owners as MetrolineTravel Ltd - you learn
something new every day (except Tuesday).