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Redflex flexes its camera muscle
Drawback: Camera pictures blur at 142 mph Positive: Farragut residents familiarity

Redflex Traffic Systems presented its plans and technology for red light traffic enforcement to Farragut Board of Mayor and Aldermen at its meeting July 10.

Regional director Cherif Elsadek said Redflex is the largest provider in the United States, with 22 years experience and traffic systems in Knoxville, Oak Ridge and Kingsport.

“The proposed technology is pretty much identical to what we have in Knoxville right now,” Elsadek said.

“Farragut has an advantage” because residents are familiar with the cameras in Knox County, he added.

The system uses three digital high-resolution cameras and a video camera mounted in a roadside box.

“The bad news, unfortunately, is at about 142 miles per hour, it is possible the image would be blurred and the red light violator would be able to get away, but we don’t expect anybody to reach anywhere near those speeds,” Elsadek said of the technological capabilities of the cameras.

The cameras take several shots. If the system detects a motorist approaching the intersection at a speed at which he is unlikely to stop, a camera takes a rear shot of the motorist. If the motorist continues through the intersection, the cameras take a picture of the license plate and a photograph of the red light violation, as well as a 12-second video.

Elsadek presented information from Knox County Sheriff’s Office that cited safety statistics at intersections in Knoxville.

These statistics showed a 93 percent issuance rate in the City and a 100 percent decrease in traffic deaths at monitored intersections. At monitored intersections, there has been a 16 percent decrease in rear end collisions and a 42 percent decrease in right angle collisions.

In addition, since the red light cameras were installed, KCSO reports a 40 percent decrease at non-monitored intersections.

Vice Mayor J. Michael Haynes asked how the Redflex system is triggered.

Elsadek said the Town could choose between in-ground loops, flush-mounted sensors, laser, radar or virtual video triggers. He added that in-ground sensors are the most accurate type of triggering devices, having the fewest false triggers.

“We understand that each town is different and we sit down with them … it’s a consultative discussion on how to do this,” he said.

Alderman Tom Rosseel asked if Redflex offered an “all red hold” system.

Elsadek answered in the affirmative, but said in “90 percent of cases, we are requested to take them out,” because false triggers in the radar sensor can alter the traffic light sequence.

Redflex allows violators to view the ticket, photographs and video online and would provide a kiosk at Town Hall for those residents without Internet access.

In addition, each camera is given an IP address that allows police officers to monitor each camera in real time.

Because Redflex has a full service center in Knoxville, Elsadek promised an at-most 24 hour turnaround in a “hard down” situation and remote assistance for most technical problems.

Finally, Elsadek said Redflex would post signage at the entrances to the Town and before each monitored intersection.

Redflex is the third traffic vendor to report to the Board; the final vendor will make a presentation July 24.

Red light cameras will be placed at the Campbell Station Road at Kingston Pike, Smith Road at Kingston Pike, Campbell Station at Grigsby Chapel/-Parkside Drive and Kingston Pike at Concord Road intersections.


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