How does a red light camera work?


Quick Answer

Red light cameras work by using sensors beneath the pavement or above ground to trigger a video camera that records when cars pass at a speed indicating potential violations, explains the Chicago Tribune. Employees of the red light camera vendor analyze the video and decide whether a violation subsequently occurred.

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Full Answer

After the video has been reviewed, the red light monitoring company forwards its findings to the city or other government entity that has contracted it to operate the cameras, according to the Chicago Trinune. Once the owner of the vehicle has been identified, the government entity mails out a ticket, often accompanied by a still image lifted from the video that was used to identify the car.

After the owner receives the ticket, he has the right to appeal, following the terms listed in the ticket, notes the Chicago Tribune. Such items as the dates, location, the correct match between vehicle and license plate number, and any other administrative information on the ticket are all grounds for appealing the ticket. If the appeal is upheld, the fine is removed from the system, and the owner is no longer liable for the ticket. If the appeal is denied, the owner of the vehicle remains liable for the ticket.

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