Benchmarking of Network Rail support functions

*Please note that this is a re-advertised opportunity. The scope for this service has been amended from the previous one* The ORR has recently begun its 2023 periodic review of Network Rail covering the five years from April 2024 to March 2029. A central element of every periodic review is a cost assessment whereby ORR determines the appropriate level of expenditure required to deliver the outputs set by funders and ORR. This invitation to tender is concerned with the assessment of Network Rail's expenditure on an...