 Laser guns are capable of pin-pointing individual vehicles at any distance from 9m to 1km away. The camera can also be mounted on tripods.
Measurements are taken by aiming the laser beam at the registration plate of the vehicle and can be taken as the vehicle is approaching or receding from the camera. Its image is then captured by video camera, showing time and date of offence, together with the vehicle speed and the distance from the device. It takes less than one third of a second for a speed to be displayed. |
Each time a safety camera operator attends a mobile site to undertake enforcement, the operator checks the site for correct signage and for absence of any obstruction such as overhanging trees. Staff of the Norfolk County Council associated with the safety camera operations are also diligent in conspicuity checks when on business.
Spontaneous checks are also carried out by the Senior Camera Operator and Partnership Data Analyst. |
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