Central Birmingham Birmingham has a Clean Air Zone which covers an area of the city centre inside the A4540 Middleway (but not the Middleway itself). It operates 24 hours a day, seven days a week, 365 days a year. Check before you travel. City centre movement and access strategy City centre public realm Dartmouth Middleway proposals Moor Street Gateway Paradise Circus multi-storey car park Snow Hill public realm Southside public realm City Centre Movement and Access Cheapside Public transport HS2Midland Metro extension Digbeth Digbeth Active Travel and Streets programmeDigbeth High Street public realm