HS1 access dispute resolution rules and appeals
30 September 2026
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Information on how disputes and appeals are dealt with on the High Speed 1 (HS1) network.
Economic regulation
Benchmarking of Network Rail’s costs
30 September 2026
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This cost benchmarking section of our website summarises our econometric benchmarking of Network Rail’s expenditure.
Monitoring Network Rail's efficiency
30 September 2026
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Reports on Network Rail’s efficiency and wider financial performance, and the wider rail industry’s productivity.
Network Rail finances: Inflationary pressures outpacing strong delivery of efficiencies
30 September 2026
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ORR’s latest assessments show that Network Rail is exceeding its efficiency targets, but rising costs and reduced financial headroom are increasing pressure on renewals.
Annex A: Institute for Transport Studies assurance statement, 2024 to 2025 analysis
30 September 2026
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Technical report on our modelling approach for cost benchmarking 2024 to 2025.
3. Data issues
30 September 2026
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Technical report on our modelling approach for cost benchmarking 2024 to 2025.
2. Analytical approach for maintenance expenditure
30 September 2026
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Technical report on our modelling approach for cost benchmarking 2024 to 2025.
3. Track renewals expenditure analysis
30 September 2026
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Benchmarking of Network Rail's maintenance and renewals expenditure, 2024 to 2025.