Question to the Department for Transport:

To ask the Secretary of State for Transport, what proportion of Network Rail's expenditure on its top 20 supplier companies in each year of the current Control Period was on (a) maintenance, (b) works delivery, (c) renewals, (d) operations and (e) stations; and what the break down was of those costs between (i) labour and (ii) capital in each case.

Network Rail is unable to provide a breakdown of the information in the categories requested.