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Traffic Study <br />Lexington Avenue Reconstruction <br /> <br /> <br />Alliant No. 118-0186.0 42 <br />April 18, 2019 <br />Lexington Avenue & Grey Fox Road <br />Proposed improvements: <br />x Add a dedicated SB right-turn lane <br />x Modify Shannon Square driveway to RIRO access <br />x Modification of EB/WB lane geometry to provide a dedicated left-turn lane and shared <br />through / right-turn lane <br />Key benefits include: <br />x Provides operational benefit during peak and non-peak periods <br />o Expected to operate at overall LOS C or better under forecast year 2040 conditions <br />o Improves side-street delay and queuing <br />x Provides flexibility for protective/permissive, protected only, or permissive only operation <br />as determined through a FYA assessment analysis <br />Key design considerations include: <br />x Provide four-section left-turn heads with FYA indications on all approaches <br />o Operate the NB/SB left-turn movements protective/permissive all day except for <br />overnight periods <br />o Operate the EB/WB left-turn movements protective/permissive between 7 a.m. – 7 p.m. <br />x Potentially eliminate access to Shannon Square to further improve safety along the corridor <br />by removing intermediate access and conflict points between signals <br />