Question to the Department for Transport:

To ask the Secretary of State for Transport, what estimate was made of the cost of Control Period 5 in (a) the initial industry plan published in September 2011 and (b) Network Rail's final strategic business plan.

(a) The initial industry plan (IIP) of September 2011 for England and Wales, which set out a range of options for investment in the railway in Control Period 5, included proposals for funding of up to an additional £4.9 billion beyond that already committed. The separate IIP for Scotland included proposals for up to an additional £699 million.

(b) Network Rail’s Strategic Business Plan (SBC) for England and Wales, published in January 2013, included a total of £10.041 billion and the SBC for Scotland included a total of £1,430 million.