ULEZ / Clean Air Zone Camera
Various (Siemens/Yunex, Conduent, others) · Various
What does it do?
ANPR camera enforcing Ultra Low Emission Zones (ULEZ) or Clean Air Zones (CAZ). Reads number plates and checks whether the vehicle meets the emission standard for the zone. Vehicles that do not comply are automatically charged or fined.
Documented capabilities
Automatic Number Plate Recognition with real-time lookup against DVLA vehicle records to determine emission standard. Records entry into the zone. Issues penalty charge notices automatically for non-compliant vehicles that have not paid the daily charge. Operates 24/7.
Operator
Transport for London (ULEZ), local authorities (CAZ)
Where it is used
Boundary points of ULEZ and Clean Air Zones, typically on lamp posts or dedicated poles at every entry road. Identified by ANPR cameras with signage indicating the zone boundary. London ULEZ cameras are particularly widespread since the August 2023 expansion to all London boroughs.
Evidence
Camera locations published by Transport for London and local authorities. Charging and enforcement rules set out in statutory instruments. TfL publishes compliance data and camera locations.
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