To ask the Secretary of State for Transport what estimate he has made of the number of hours of delays there will be on the railway in (a) 2010, (b) 2015 and (c) 2025. (226696)

The High Level Output Specification, published in July 2007, required an improvement in the Public Performance Measure (PPM) to an average of 92.6 per cent. by the end of 2013-14, with associated reductions in significant lateness and cancellations. Delay hours are reported periodically by Network Rail, but are not separately estimated by the Department for Transport.