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

To ask the Secretary of State for Environment, Food and Rural Affairs, what data has been used to assess the western boundary of the Bristol Clean Air Zone, specifically the Portway and Brunel Bridge regional through route.

Bristol is introducing a Clean Air Zone (CAZ) to bring the roads in the city into compliance with NO2 limits in the shortest possible time.

Bristol has proposed that the zone boundary should include the Portway and Brunel Bridge routes, and has carried out modelling to understand the traffic and air quality data to show the impact of removing these routes from the CAZ. This modelling indicated that removing these roads from within the zone boundary would delay the date by which roads in Bristol are compliant with legal limits for NO2. The Government is currently considering this information as part of our review of Bristol’s Full Business Case.