San Francisco Central Freeway replacement project : environmental assessment PDF
Preview San Francisco Central Freeway replacement project : environmental assessment
^ San Francisco Central Freeway Replacement Project Environmental Assessment pursuantto 42 U.S.C.4332(2)(C) wy APR 3 U.S. Department of Transportation Federal Highway Administration and State of California Department of Transportation April 1997 DOCUMENTS DEPARTMENT SAN FRANCISCO PUBLIC LIBRARY REFERENCE BOOK Not tobetaken fromthe Library 3 1223 04647 8195 4-SF-101-4.7/5.1 4-0211-291000 SAN FRANCISCO CENTRAL FREEWAY REPLACEMENT PROJECT Environmental Assessment Pursuant to : 42 U.S. C. 4332 (2) (C) U. S. Department of Transportation Federal Highway Administration and State of California Department of Transportation Darnall W. Reynoros, Chief Date Division ofPlanning California Department ofTransportation District 4 L / David H. Densmore, Division Administrator Date Federal Highway Administration California Division Preface The Federal Highway Administration is the federal lead agencyfor this project, which is subject to theNational Environmental PolicyAct (NEPA). This projectis statutoriallyexemptfromthe California Environmental QualityAct (CEQA), pursuant to California PublicResources Code Section21080 Qo) (2), (3) and (4) and 21172. This legislationwas signed into lawfollowingthe Loma Prieta earthquakein 1989. The intent ofthe legislationis to expeditethe constructionof seismic retrofitprojects by excludingthem fromCEQA. REF 388.411 Sa5282 San Francisco Central Freeway replacement 1997 . 3 1223 04647 8195 Sf. PUBLIC LIBRARY Central Freeway Regional Replacement Project Exhibit 1 Location IVIap Table Of Contents 1.0 PURPOSE AND NEED J 1.1 Background 2 1.2 Purpose 3 1.3 Need 3 2.0 PROJECT DESCRIPTION. 7 2.1 Alternative lA 7 2.2 Alternative IB & 2.3 Alternative 8B 11 2.4 Alternative 10 14 2.5 No-Project Alternative 14 2.6 Project Funding. 17 2.7 Other Projects in the Vicinity. 17 3.0 ALTERNATIVES CONSIDERED AND WITHDRAWN 1,9 3.1 Alternative 3 19 3.2 Alternative 8 20 A 3.3 Alternative 8 20 3.4 Alternative 9 20 4.0 TRANSPORTATION SYSTEM MANAGEMENT MEASURES (TSM) 21 4.1 TMP Instituted Measures 21 4.2 Proposed TSM measures 23 5.0 AFFECTED ENVIRONMENT, EVIPACTS AND MITIGATION 26 5.1 Environmental Setting. 26 5.2 Seismicity 27 5.3 Air duality 28 5.4 Noise 31 5.5 Visual Resources 3l6 5.6 Traffic and Circulation .44 5.7 Land Use, Economic and Social Effects. 56 5.8 Right-of-Way 66 5.9 Architectural Resources 67 5.10 Archaeological Resoxu"ces .72 5.11 Hazardous Materials 73 5.12 Energy..... 74 5.13 Conclusion 74
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