Environmental

Environmental Documents

 

Alaskan Way Viaduct Replacement Project

 

South Holgate Street to South King Street Viaduct Replacement Project

 

Battery Street Tunnel Fire and Safety Improvements Project

 

South Massachusetts Street to Railroad Way South Electrical Line Relocation


Alaskan Way Viaduct Replacement Project | (August 2011)

Record of Decision

 

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Alaskan Way Viaduct Replacement Project | (July 2011)

Final Environmental Impact Statement and Section 4(f)

The Final EIS is available at local libraries in Seattle. To request a free executive summary and CD or to purchase a printed copy for $50 (additional $75 for the appendices), call 206-805-2832 or email angovea@wsdot.wa.gov.

 

Appendices:

  1. Public involvement Discipline Report (pdf 1.4 mb)
  2. Alternatives Description and Construction Methods (pdf 2.9 mb)
  3. Transportation Discipline Report (pdf 22 mb)
  4. Visual Quality Discipline Report (pdf 2.1 mb)
  5. Visual Simulations (pdf 10 mb)
  6. Noise Discipline Report (pdf 2.1 mb)
  7. Land Use Discipline Report (pdf 5.7 mb)
  8. Social Discipline Report (pdf 7.2 mb)
  9. Historic, Cultural, and Archaeological Resources (pdf 9.8 mb)
  10. Section 4(f) Supplemental Materials (pdf 1.6 mb)
  11. Public Services and Utilities Discipline Report (pdf 1 mb)
  12. Economics Discipline Report (pdf 1.7 mb)
  13. Air Discipline Report (pdf 1.8 mb)
  14. Wildlife, Fish and Vegetation Discipline Report (pdf 965 kb)
  15. Surface Water Discipline Report (pdf 3.2 mb)
  16. Earth Discipline Report (pdf 2.4 mb)
  17. Hazardous Materials Discipline Report (pdf 1.2 mb)
  18. Energy Discipline Report (pdf 1.2 mb)
  19. 2004 Draft EIS and 2006 Supplemental Draft EIS Comments and Responses
    Part I (pdf 52 mb) | Part II (pdf 42 mb)
  20. 2010 Supplemental Draft EIS Comments and Responses (pdf 70 mb)
  21. Final EIS Correspondence (pdf 58.8 mb)
  22. FHWA and WSDOT Response to Additional Review of the Impacts of Deep Bored Tunnel Tolling Diversion on City Streets; Identification of Mitigation (pdf 3.7 mb)
  23. Screening Documents (pdf 10.5 mb)
  24. Tolling Re-evaluation Memo (pdf 3.6 mb)

 

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Alaskan Way Viaduct Replacement Project | (October 2010)

 

Supplemental Draft Environmental Impact Statement and Draft Section 4(f)

The comment period for the 2010 SDEIS was held from Oct. 29 to Dec 13, 2010

 

Appendices:

  1. Public Involvement Discipline Report (pdf 1 mb)
  2. Alternatives Description and Construction Methods Discipline Report (pdf 6.5 mb)
  3. Transportation Discipline Report (pdf 16 mb)
  4. Visual Quality Discipline Report (pdf 5.6 mb)
  5. Visual Simulations (pdf 5.6 mb)
  6. Noise Discipline Report (pdf 2.2 mb)
  7. Land Use Discipline Report (pdf 4.7 mb)
  8. Social Discipline Report (pdf 4.2 mb)
  9. Section 106: History, Cultural and Archaeological Resources Discipline Report (pdf 30.2 mb)
  10. Section 4(f) Supplemental Materials (pdf 2.3 mb)
  11. Public Services and Utilities Discipline Report (pdf 1 mb)
  12. Economics Discipline Report (pdf 1.9 mb)
  13. Air Discipline Report (pdf 2.3 mb)
  14. Wildlife, Fish and Vegetation Discipline Report (pdf 938 kb)
  15. Surface Water Discipline Report (pdf 5.8 mb)
  16. Earth Discipline Report (pdf 4.3 mb)
  17. Hazardous Materials Discipline Report (pdf 10 mb)
  18. Energy Discipline Report (pdf 1.5 mb)
  19. Project History Report (pdf 5.4 mb)
  20. Supplemental Draft EIS Annotated Outline (pdf 481 kb)

 

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South Holgate Street to South King Street Viaduct Replacement Project

 

Finding of No Significant Impact and Final Section 4(f) Evaluation (February 2009)

 

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Battery Street Tunnel Fire and Safety Improvements Project (October 2008)

 

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South Holgate Street to South King Street Viaduct Replacement Project (June 2008)

 

Appendices:

  1. Glossary (pdf 51 kb)
  2. Potential Mitigation Measures (pdf 118 kb)
  3. Agency - Tribal Correspondence (pdf 3.4 mb)
  4. Draft Section 4(f), Parts A, B and C (pdf 2 mb)
  5. Air Quality Discipline Report (pdf 1.4 mb)
  6. Transportation Discipline Report (pdf 5 mb)
  7. Technical Memoranda (20 separate files)
  8. Draft Memorandum of Agreement (pdf 248 kb)

 

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South Massachusetts Street to Railroad Way South Electrical Line Relocation (February 2008)

 

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Alaskan Way Viaduct and Seawall Replacement

 

Supplemental Draft Environmental Impact Statement (July 2006)

 

Appendices:

  1. Agency and Public Coordination (pdf 397 kb)
  2. Alternatives Description and Construction Methods Technical Memorandum (pdf 9 mb)
  3. Transportation Discipline Report (pdf 3.6 mb)
  4. Visual Quality Technical Memorandum (pdf 553 kb)
  5. Visual Simulations (pdf 2.9 mb)
  6. Noise and Vibration Discipline Report (pdf 582 kb)
  7. Land Use and Shorelines Technical Memorandum (pdf 530 kb)
  8. Parks and Recreation Technical Memorandum (pdf 968 kb)
  9. Social Resources Technical Memorandum (pdf 1.5 mb)
  10. Environmental Justice Technical Memorandum (pdf 468 kb)
  11. Relocations Technical Memorandum (pdf 2.7 mb)
  12. Historic Resources Technical Memorandum (pdf 2.3 mb)
  13. Archaeological Resources and Traditional Cultural Places Technical Memorandum (pdf 815 kb)
  14. Section 4(f) Evaluation Parts A, B, C and D (pdf 6.2 mb)
  15. Public Services and Utilities Technical Memorandum (pdf 1.1 mb)
  16. Economic Technical Memorandum (pdf 802 kb)
  17. Air Quality Discipline Report (pdf 696 kb)
  18. Fisheries, Wildlife, and Habitat Discipline Report (pdf 1.5 mb)
  19. Water Resources Discipline Report (pdf 893 kb)
  20. Geology and Soils Technical Memorandum (pdf 420 kb)
  21. Hazardous Materials Discipline Report (pdf 4.1 mb)
  22. Energy Technical Memorandum (pdf 314 kb)
  23. Alternatives and Options Drawings (pdf 7 mb)
  24. Supplemental Draft EIS Annotated Outline

 

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Draft Environmental Impact Statement (March 2004)

 

Appendices:

  1. Agency and Public Coordination (pdf 8.3 mb)
  2. Alternatives and Construction Methods (pdf 2.8 mb)
  3. Transportation Discipline Report (pdf 8.3 mb)
  4. Visual Quality Technical Memorandum (pdf 2.4 mb)
  5. Visual Simulations (in three files)
    Part I (pdf 6.6 mb) | Part II (pdf 6.9 mb) | Part III (pdf 5.4 mb)
  6. Noise and Vibration Discipline Report (pdf 2.4 mb)
  7. Land Use and Shorelines Technical Memorandum (pdf 1.7 mb)
  8. Parks and Recreation Technical Memorandum (pdf 2.1 mb)
  9. Social Resources Technical Memorandum (pdf 2.4 mb)
  10. Environmental Justice Technical Memorandum (pdf 693 kb)
  11. Relocations Technical Memorandum (pdf 388 kb)
  12. Historic Resources Technical Memorandum (pdf 1.6 mb)
  13. Archaeological Resources (pdf 3.4 mb)
  14. Section 4(f) Evaluation (pdf 1.9 mb)
  15. Public Services and Utilities Technical Memorandum (pdf 877 kb)
  16. Economic Technical Memorandum (pdf 1.6 mb)
  17. Air Quality Discipline Report (pdf 2.3 mb)
  18. Fisheries, Wildlife, and Habitat Discipline Report (pdf 65. mb)
  19. Water Resources (in two files)
    Part I (pdf 4.7 mb) | Part II (pdf 5.9 mb)
  20. Geology and Soils Technical Memorandum (pdf 2.7 mb)
  21. Hazardous Materials Discipline Report (pdf 6.2 mb)
  22. Energy Technical Memorandum (pdf 285 kb)
  23. Alternatives and Options Drawings (in two files)
    Part I (pdf 4.7 mb) | Part II (pdf 6.1 mb)
  24. Design Variations (in two files)
    Part I (pdf 8.8 mb) | Part II (pdf 6.9 mb)
  25. Annotated Outline (pdf 300 kb)

 

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