Question to the Department for Transport:

To ask the Secretary of State for Transport, what her Department's original budget for the Great Western Railway modernisation project was; how much her Department has spent since that project started; and what the estimated final cost is in (a) real and (b) current terms.

The Great Western Route Modernisation Programme was estimated to cost £2,967m at the time of the 2015 Business Case. The outturn cost for the Programme in 2021/22 was £3,863m.