Camera Captures and Confirmed Vehicles seen in the Congestion Charge Zone by Month Camera Captures and Confirmed Vehicles seen in the Congestion Charge Zone by Month during charging hours. Camera Captures since July 2010 and Confirmed Vehicles since October 2016. The count of captures is based on the unique Automatic Number Plate Recognition (ANPR) camera captures per day, which are added up to provide the total number for the month. ...