Appendix A Noise Study Report - Laserfiche WebLink

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ter 1. Introduction The Caltrans Traffic Noise Analysis Protocol for New Highway Construction, Reconstruction, and Retrofit Barrier Projects (Protocol) (Caltrans 2011) provides Caltrans policy for implementing 23 CFR 772 in California. The Protocol outlines the requirements for preparing Noise Study Reports (NSRs). The purpose of this NSR is to evaluate noise impacts and noise abatement consistent with the requirements of 23 CFR 772. 1.2. Project Purpose and Need The Project Area has a history of traffic congestion; however, the proposed Project would improve traffic flow and alleviate congestion in this area. The proposed Project would also increase pedestrian safety at Fairview Street bridge by constructing new barrier rails, sidewalks, bicycle lanes, a raised median, and lighting on the proposed bridge structure. 1.2.1. Project Purpose The purpose of the proposed Project is to improve pedestrian/bicyclist safety and traffic flow on and in the vicinity of Fairview Street bridge. The following goals/ objectives have been identified for the proposed Project: • Provide for adequate vehicular capacity and greater pedestrian and bike safety on Fairview Street bridge; and • Make the Fairview Street bridge design and capacity consistent with the Orange County Master Plan of Arterial Highways and the City of Santa Ana General Plan Circulation Element. 1.2.2. Project Need The existing Fairview Street bridge has insufficient safety barriers and capacity to handle existing and projected traffic levels in the Project Area and is operating with the following deficiencies within the Project limits: • No sidewalks, bike lanes, center median or barrier, or lighting; and • Congestion on and around the existing bridge due to high traffic demands and a limited number of lanes relative to areas north and south of the bridge. 2 Fairview Street Improvements from 9th Street to 16th Street and Bridge Replacement Project Noise Study Report