questionText: To ask the Secretary of State for Transport, pursuant to the Answer of 14 January 2026 to Question 102105 on Network Rail: Assets, what estimate she has made of the level of expenditure required to redress the predicted Composite Sustainability Index (CSI) rail asset sustainability reduction of 2.6%.
answerText: The objectives and funding for GBR in the next funding period (running from April 2029 to March 2034) will be determined via the coming funding and objective-setting process. 
heading: Network Rail: Assets