Assessing the effect on roadside air quality from introducing phase 1 of the 20mph speed limit on restricted roads in Abergavenny, Cardiff and Magor.
This is the latest release
The report has been published on the Transport for Wales website.
Reports
Transport for Wales website
Contact
Statistician
Email: monitoring20mph@tfw.wales
Rydym yn croesawu gohebiaeth yn Gymraeg / We welcome correspondence in Welsh.