Vehicles waiting in the intersection while the light changes from yellow to red are not photographed.
Find out more about how fixed safety cameras work: Fixed Safety Camera Operation Practices Mobile safety cameras are set up on the side of the road and are either mounted in a vehicle or on a tripod.
When the fixed safety camera is triggered two photographs are taken, usually of the rear of the vehicle.
The photos are taken a minimum of half a second apart and show for Photo 1 the vehicle travelling over the induction loop Photo 2 the vehicle's progression after leaving the induction loop.
Speed and red light safety cameras undergo rigorous certification, testing and maintenance.
The cameras are tested regularly to ensure that the: Technical repairs are carried out in SAPOL’s specialised workshops and laboratories or by the camera manufacturer.Safety camera photos are checked and verified by trained staff in the South Australia Police (SAPOL) Expiation Notice Branch. An expiation notice is not issued until the checks have been completed.Notices can be issued for: Technical repair of all safety cameras is carried out in SAPOL’s specialised workshops and laboratories or by the camera manufacturer.They will work on a desktop, a laptop or a mobile device such as a mobile phone or tablet. We have been around since 23 March 2000 and, with your help, we hope to be around long into the future. The maintenance history of each safety camera is documented and monitored.Fixed safety cameras are regularly tested and maintained by every time they are set up.A vehicle is driven through the radar beam at a set speed and the camera readings are checked to ensure that they are correct.Mobile safety cameras are recalibrated once a year.In South Australia Safe-T-Cam is managed by the Department of Planning, Transport and Infrastructure (DPTI).Find out more about Safe-T-Cam on DPTI's On Road website.