Franchise bidders will of course develop and submit their own plans and ideas in their bids, and if these offer better value for money than the assumptions in the Rolling Stock Strategy, this will put them in a good position to win franchises. Open access operators are also a further source of supply and demand for rolling stock. The principles for the strategy are set out in Appendix 4 to indicate the direction that we believe needs to be taken and we are intending to develop and refine them further with a view to preparing an initial.