Question to the Department for Environment, Food and Rural Affairs:

To ask the Secretary of State for Environment, Food and Rural Affairs, with reference to page 17 of the report by the National Audit Office entitled Department for Transport overview 2024-25, published in November 2025, what the £478 million whole-life cost of the NO2 Programme comprises, by project, programme and local authority scheme; and how much of that cost has been spent to date.

The Department for Transport (DfT) spend on the NO2 Programme up to the end of financial year 2024/25 was £450m.