The future of public transport

Alistair Darling has come out in favour of scrapping the High Speed Rail project, citing the increased costs from £30bn to £70bn as the main reason.
The Lib-dems have put forward a plan to scrap all petrol and diesel engined cars by 2040.
Why not accept my plan, first made public in 2009. Read here:

http://www.kevilldavies.com/2009/07/article-in-readeres-july-8th.html

and here: http://www.kevilldavies.com/2012/03/road-transport-policy.html

and solve all the problems of public transport by scrapping both free wheeling cars AND the railways and introducing PODS.