Written Question·Department for Transport·UIN 97700
Railways: Air Pollution
Tabled: 5 December 2025
Answered: 15 December 2025
Question
Alex Mayer
Labour — Dunstable and Leighton Buzzard
To ask the Secretary of State for Transport, what recent assessment she has made of the air quality on the rail network; and whether her Department plans to issue updated guidance on air quality on the rail network.
Answer
Keir MatherThe Department is funding monitoring and research to assess air quality in stations and onboard trains through the Rail Safety and Standards Board (RSSB). This includes the £5.5 million Air Quality Monitoring Network, which is collecting data at up to 72 ...
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