By default, RUSs are established by the Office of Rail Regulation (ORR) unless the latter objects within 60 days.
As with other RUSs, the Y&H RUS took into account a number of responses,[5][6][7] including the Office of Rail Regulation (ORR) .
In almost all cases these problems are foreseen, in the absence of interventions, to get worse owing to forecast growth in passenger traffic.
In March 2009 Network Rail published its CP4 Delivery Plan 2009, including Enhancements programme: statement of scope, outputs and milestones,[9] confirming most of the recommended interventions.
Specific projects, scheduled to cost about one billion pounds in total, with their reference and page numbers in the document, are given below: