http://www.guardian.co.uk/politics/2010/jul/05/rac-privatised-toll-road-...
I heard the guy who compiled the particular report for the RAC & he really was suggesting pritisation of the motirway network.

But others think this might be a front for government to introduce another tax revenue
http://www.telegraph.co.uk/news/uknews/road-and-rail-transport/7873583/R...