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Chapter 4 Environmental Setting Impacts, and Mitigation Measures <br />Noise Levels in dBA CNEL at 50 feet <br />Increase <br />with Project <br />Year203O <br />Year 2030 <br />over <br />Exceeds <br />Existing <br />Without Project <br />With Project <br />Existing <br />Project <br />Significance <br />Significance <br />Roodway Segment <br />Conditions <br />TraRlc Volumes <br />Traffic Volumes <br />Conditions <br />Contribution <br />Threshold- <br />Threshold? <br />Broadway -Civic <br />Center Dr to <br />68.8 <br />69.4 <br />69.5 <br />0.7 <br />0.1 <br />3.0 <br />No <br />Washington Ave <br />Civic Center Dr - <br />Broadway to <br />66.7 <br />67.3 <br />67.7 <br />1.0 <br />0.4 <br />3.0 <br />No <br />Sycamore St <br />Broadway -Santa <br />67.1 <br />67.6 <br />67.7 <br />0.6 <br />0.1 <br />3.0 <br />No <br />Ana Blvd to 5th St <br />Santa Ana Blvd - <br />Broadway to <br />63.6 <br />64.3 <br />64.5 <br />0.9 <br />0.2 <br />5.0 <br />No <br />Sycamore St <br />Broadway-5th St to <br />67.0 <br />67.6 <br />67.7 <br />0.7 <br />0.1 <br />3.0 <br />No <br />4th St <br />5th St -Broadway to <br />61.0 <br />61.4 <br />61.8 <br />0.8 <br />0.4 <br />5.0 <br />No <br />Ross St <br />5th St -Broadway to <br />61.0 <br />61.4 <br />61.7 <br />0.7 <br />0.3 <br />5.0 <br />No <br />Main St <br />Broadway-3rdSt to <br />67.0 <br />67.5 <br />67.7 <br />0.7 <br />0.2 <br />3.0 <br />No <br />4th St <br />Broadway-3rdSt to <br />67.0 <br />67.5 <br />67.8 <br />0.8 <br />0.3 <br />3.0 <br />No <br />1st St <br />Broadway -South of <br />65.5 <br />66.4 <br />66.5 <br />1.0 <br />0.1 <br />3.0 <br />No <br />1st St <br />1 st St -Broadway to <br />73.8 <br />74.4 <br />74.5 <br />0.7 <br />0.1 <br />3.0 <br />No <br />Ross St <br />1st St -Main St to <br />73.6 <br />74.5 <br />74.6 <br />1.0 <br />0.1 <br />3.0 <br />No <br />Broadway <br />Civic Center Dr - <br />Sycamore St to Main <br />66.7 <br />67.1 <br />67.5 <br />0.8 <br />0.4 <br />3.0 <br />No <br />St <br />Santa Ana Blvd - <br />Sycamore St to Main <br />63.6 <br />64.1 <br />64.4 <br />0.8 <br />0.3 <br />5.0 <br />No <br />St <br />5th St -Sycamore St <br />61.0 <br />61.4 <br />61.7 <br />0.7 <br />0.3 <br />5.0 <br />No <br />to Broadway <br />5th St -Sycamore St <br />61.0 <br />61.5 <br />61.8 <br />0.8 <br />0.3 <br />5.0 <br />No <br />to Main St <br />Main St -Civic Center <br />68.7 <br />69.2 <br />69.4 <br />0.7 <br />0.2 <br />3.0 <br />No <br />Dr to Santa Ana Blvd <br />Main St -Civic Center <br />68.8 <br />69.4 <br />69.5 <br />0.7 <br />0.1 <br />3.0 <br />No <br />Dr to Washington Ave <br />4.8-28 City of Santa Ana Transit Zoning Code (SD 84A and SD 848) EIR <br />