United States Department of Transportation
i
New York Demonstration Project: Improvements to the Winton Road/I-590 Interchange in Rochester
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2013-06-01
[PDF-2.05 MB]
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Edition:Final Report
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Abstract:As part of a national initiative sponsored by the Federal Highway Administration under the Highways for LIFE program, the New York State Department of Transportation (NYSDOT) was awarded a grant for a demonstration project that involved the construction of a diverging diamond interchange (DDI) at the intersection of Interstate 590 and Winton Road in Brighton. This DDI is the first of its kind in New York, allowing traffic to access the interstate using the concept of “free” or unopposed left turns, minimizing the risk of serious crashes and decreasing travel times. Additional benefits include improved access and safety for bicyclists and pedestrians, shorter construction time, and less real estate acquisition. Several innovative strategies were used on this project to speed construction, reduce congestion, and increase work zone safety. NYSDOT allowed complete closure of on and off ramps on weekends during periods of high construction activity, providing signed detours to motorists. The agency also required a complete shutdown of Winton Road while the final traffic patterns were developed to eliminate driver confusion. The construction costs for the Winton Road improvement totaled about $8 million, $4.9 million less than the traditional alternative
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