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City explains choice of video detection for signalized intersections, weighs radar alternatives
Summary
Traffic engineers told the committee Norman uses video detection at almost all signals and cited video's flexibility, existing investment, and traffic-management benefits; staff outlined trade-offs and said switching platforms would be costly.
City traffic engineers explained to the Community Planning and Transportation Committee on Sept. 25 why Norman relies primarily on video detection at signalized intersections and described the operational and financial trade-offs of switching to radar detection.
Staff said the city has nearly completed a multi-year conversion away from pavement loops and toward video detection at roughly 156 traffic signals, a transition that began more than a decade ago and which staff said reduces the need for lane closures and in-pavement repairs. The video feeds also are carried back to the city's fiber network, allowing staff to view live images for incident response and to collect turning-movement counts from the…
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