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Table T-1 <br />PM Peak Hour Intersection Project Volumes <br />Intersection PM Peak Hour Volume <br />First Street at I-5 Southbound Ramp 25 <br />Fourth Street at SR-55 Northbound Ramps 17 <br />Fourth Street at SR-55 Southbound Ramps 33 <br />C. Result in a change in air traffic patterns, including <br />either an increase in traffic levels or a change in <br />location that results in substantial safety risks? <br />No Impact <br />According to the Orange County Airport Environs Land Use Plan <br />for John Wayne Airport the project site is not located within <br />clear zone or accident potential zone. The proposed project is <br />would have a maximum height of 39-feet and would not encroach <br />into the height restriction criteria established in the Orange <br />County Airport Environs Land Use Plan for John Wayne Airport. <br />Implementation of the proposed project would not interfere with <br />air traffic patterns within the area or create substantial <br />safety risks. Additionally, implementation of the proposed <br />project would also not increase the level of the level of air <br />traffic within the project area. <br />D. Substantially increase hazards to a design feature <br />Potentially Significant Unless Mitigation Incorporated <br />The proposed project fronts along First Street. Along most of <br />the project site First Street currently is an undivided six lane <br />arterial. The proposed project includes two points of access. <br />The points of access would be from Golden Circle Driveway and a <br />driveway at the western end of the project site. The driveway <br />entrance at Golden Circle is signalized and would provide safe <br />ingress and egress movements. The driveway entrance at the <br />western end is unsignalized. Left-turn westbound movements from <br />the project site would have to cross over three travel lanes <br />creating an unsafe vehicle movement. To eliminate unsafe west <br />bound left-turn vehicle movement, a median should be constructed <br />along First Street in front of the western driveway. <br />Mitigation Measure <br />• Prior to issuance of Building Permits, the project <br />developer shall construct a raised median along First <br />31 <br />3~5~7 <br />