Less than 0.2% of vehicles that drove into the zone faced a charge in its first year.

Portsmouth is making strides in tackling ... to improve next year “there may be a conversation around the Clean Air Zone (CAZ) and how well it’s performing". Traffic management and behaviour ...

including the Ultra Low Emission Zone in London and the Clean Air Zone in Liberal Democrat-controlled Portsmouth. Conference calls on local authorities to: Install more pollution sensors near major ...