Transport: Cost Benefit Analysis
The question
To ask the Secretary of State for Transport, with reference to her oral statement of 8 July on Road and Rail Projects, Official Report, column 815-817, what the benefit-cost ratio is for each project.
Answered by Simon Lightwood
Business case documents, costs and benefit cost ratios for major schemes, including for the Strategic Road Network and for relevant schemes in the Rail Network Enhancement Pipeline are published on gov.uk.
For the set of 50 schemes referenced in the Secretary of State’s statement on 8 July 2025, detailed Green Book analyses, costs, and benefit cost ratios for each scheme have not been published as a single package.
As each scheme progresses, further documentation is released and made available on gov.uk as appropriate. The Government is committed to transparency and will continue to make business case documents available in line with Green Book and Treasury guidance as schemes move forward.
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