Question to the Department for Transport:

To ask the Secretary of State for Transport, pursuant to the Answer of 15 June 2026 to Question 7215 on Railway Stations: Nitrogen Dioxide, what the estimated cost is of measures contained in Air Quality Improvement Plans that have not yet received funding approval.

Network Rail does not hold or collate information centrally on estimated costs of measures within Air Quality Improvement Plans. Funding and delivery are managed at a local level.