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4.8 Noise <br />Noise Levels in dBA CNEL at 50 feet <br />Increase <br />with Project <br />Year203O <br />Yecr203O <br />over <br />Exceeds <br />Existing <br />Wdhout Project <br />Wdh Project <br />Existing <br />Project <br />Significance <br />Significance <br />Roadway Segment <br />Conditions <br />Traffic Volumes <br />Traffic Volumes <br />Conditions <br />Contribution <br />Threshold- <br />Threshold? <br />Civic Center Dr -Main <br />65.6 <br />66.1 <br />66.5 <br />0.9 <br />0.4 <br />3.0 <br />No <br />St to Bush St <br />Main St -Santa Ana <br />68.7 <br />69.4 <br />69.6 <br />0.9 <br />0.2 <br />3.0 <br />No <br />Blvd to 5th St <br />Santa Ana Blvd- <br />63.6 <br />64.1 <br />64.4 <br />0.8 <br />0.3 <br />5.0 <br />No <br />Main St to Bush St <br />Main St-5th St to 4th <br />68.7 <br />69.4 <br />69.6 <br />0.9 <br />0.2 <br />3.0 <br />No <br />St <br />5th St -Main St to <br />59.5 <br />60.1 <br />60.5 <br />1.0 <br />0.4 <br />5.0 <br />No <br />Bush St <br />Main St-3rd St to 4th <br />68.2 <br />68.9 <br />69.2 <br />1.0 <br />0.3 <br />3.0 <br />No <br />St <br />Main St -1st St to 3rd <br />68.2 <br />68.9 <br />69.2 <br />1.0 <br />0.3 <br />3.0 <br />No <br />St <br />Santa Ana Blvd - <br />Bush St to Spurgeon <br />63.6 <br />64.1 <br />64.3 <br />0.7 <br />0.2 <br />5.0 <br />No <br />St <br />5th St -Bush St to <br />59.4 <br />59.9 <br />60.3 <br />0.9 <br />0.4 <br />5.0 <br />No <br />French St <br />1st St -Spurgeon St <br />73.7 <br />74.2 <br />74.4 <br />0.7 <br />0.2 <br />3.0 <br />No <br />to Main St <br />Santa Ana Blvd - <br />Lacy St to Standard <br />65.3 <br />65.8 <br />65.8 <br />0.3 <br />0.0 <br />3.0 <br />No <br />Ave <br />Civic Center Dr - <br />65.6 <br />66.5 <br />66.8 <br />12 <br />0.3 <br />3.0 <br />No <br />French St to Lacy St <br />Santa Ana Blvd - <br />65.0 <br />65.6 <br />66.1 <br />1.1 <br />0.5 <br />3.0 <br />No <br />Lacy St to French St <br />4th St -Lacy St to <br />62.5 <br />62.9 <br />63.0 <br />0.5 <br />0.1 <br />5.0 <br />No <br />French St <br />1stSt-Lacy St to <br />73.7 <br />74.2 <br />74.4 <br />0.7 <br />0.2 <br />3.0 <br />No <br />Spurgeon St <br />1 st St -Lacy St to <br />73.7 <br />74.2 <br />74.4 <br />0.7 <br />0.2 <br />3.0 <br />No <br />Standard Ave <br />Santiago St - <br />Washington Ave to <br />64.7 <br />65.4 <br />65.9 <br />1.2 <br />0.5 <br />5A <br />No <br />Civic Center Dr <br />Santiago St - <br />Washington Ave to <br />64.6 <br />65.2 <br />65.6 <br />1.0 <br />0.4 <br />5.0 <br />No <br />17th St <br />City of Santa Ana Transit Zoning Code (SD 84A and SD 84B) EIR 4.8-29 <br />