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Town: Consultant Finds that Gerdes-South Avenue Intersection Functions at Lowest Possible Level of Service
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A New Haven-based consulting firm has found that the intersection of Gerdes Road and South Avenue—long backed-up with Merritt Parkway-skirting motorists using navigation apps at rush hour, causing safety and other concerns for residents—functions at the lowest possible level of service, officials say. Traffic engineers at the firm of Hardesty & Hanover have assigned a grade of F to the intersection on a scale of A to F with “F being the worst,” for westbound traffic in the morning, according to Public Works Director Tiger Mann.
The same intersection functions at a level D in the afternoon, Mann told members of the Police Commission at their Feb. 21 meeting, held at Town Hall and via videoconference. Yet in looking at how the intersection will perform over a five-year period, the consultants “came up with the fact that if they took nine seconds off of one of the legs, basically the northbound leg on South Avenue, and gave it to Gerdes, it would raise Gerdes from an F to a D,” Mann said, with C and D being acceptable and common service levels for such intersections. By transferring nine seconds of green light from South Avenue to the commuter traffic, “the queuing lengths on Gerdes would reduce from 700 feet to somewhere on the order of below 500 feet, which I think would almost put us before the intersection of Conrad Road ,and then prevent some people from shooting up Conrad Road,” Mann said.