Question to the Department for Transport:

To ask the Secretary of State for Transport, pursuant to the Answer of 6 February 2025 to Question 27405 on Highways England: Carbon Emissions, what the carbon emissions were by (a) source and (b) activity in each year since 2014.

Below is a breakdown of National Highways’ (NH) Carbon Emissions, covering the period 2021/22 to 2023/24.

Carbon emissions prior to this were not reported to this level and are not available.