SR 520 is a critical component of the regional infrastructure, connecting Seattle to communities on the Eastside.
The SR 520, I-5 to Medina: Bridge Replacement and HOV Project includes several safety, mobility and environmental improvements to help create safer and more reliable commutes while minimizing impacts to local neighborhoods and communities.
What is a supplemental draft environmental impact statement?
A supplemental draft environmental impact statement (EIS) is a document that provides information to the public about the project’s environmental effects.
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| Cover photo courtesy of Greg Barnes. |
The SR 520, I-5 to Medina: Bridge Replacement and HOV Project Supplemental Draft EIS presents information about the project to inform citizens about the potential effects of project choices and to assist decision-makers in considering how the project should proceed. It builds on the work of the 2006 draft EIS by evaluating a new set of 6-Lane Alternative design options.
According to the National Environmental Policy Act and State Environmental Policy Act, an agency must prepare a supplemental draft EIS when:
- The agency makes substantial changes in the proposed action that are relevant to environmental concerns; or
- There are significant new circumstances or information relevant to environmental concerns and bearing on the proposed action or its impacts.
Why is the supplemental draft EIS important to me?
The supplemental draft EIS presents an important opportunity for the public to formally comment on the I-5 to Medina: Bridge Replacement and HOV Project's effects and have their comments tracked, published and addressed by the project team in the final EIS.
How can I comment on the supplemental draft EIS?
- Comment online
- E-mail: SR520Bridge_SDEIS@wsdot.wa.gov
- Mail: Jenifer Young
Environmental Manager
SR 520 Program Office
600 Stewart St., Suite 520
Seattle, WA 98101
- Speak to a court reporter during the environmental hearing scheduled for Feb. 23, 2010.
How can I learn more about the supplemental draft EIS?
- Join us at an environmental hearing and public open house.
5 - 7 p.m.
Feb. 23, 2010
Lake Union Park Naval Reserve Building
860 Terry Ave. N.
Seattle, WA 98109
- Visit us at informational kiosks around the region.
A full list is available on the Calendar of Events page.
- Review the document at local public libraries.
A full list is available below.
In order to be addressed in the final EIS, comments must be received or postmarked by April 15, 2010.
Your comments will become part of the official public record and will be published in the final EIS.
Jan. 22, 2010 - Supplemental draft EIS
Supplemental draft EIS - Executive Summary
(pdf 2.91 mb)
Supplemental draft EIS - Full Document
Cover and Table of Contents (pdf 354 kb)
Chapter 1 - Introduction to the Project (pdf 1.14 mb)
Chapter 2 - Alternatives (pdf 6.04 mb)
Chapter 3 - Construction Activities (pdf 3.40 mb)
Chapter 4 - The Project Area's Environment (pdf 4.85 mb)
Chapter 5 - Project Operation and Permanent Effects (pdf 9.44 mb)
Chapter 6 - Effects During Construction of the Project (pdf 3.63 mb)
Chapter 7 - Indirect and Cumulative Effects (pdf 3.55 mb)
Chapter 8 - Other Considerations (pdf 567 kb)
Attachments
Attachment 1 - Acronyms and Abbreviations (pdf 139 kb)
Attachment 2 - Index (pdf 124 kb)
Attachment 3 - List of Preparers (pdf 147 kb)
Attachment 4 - Distribution List (pdf 133 kb)
Attachment 5 - References (pdf 210 kb)
Attachment 6 - Draft Section 4(f)/6(f) Evaluation (pdf 9.51 mb)
Attachment 7 - Discipline Reports
Attachment 8 - Range of Alternatives and Options Evaluated Attachment 9 - Mitigation Plans
Cultural Resources Discipline Report Vol 4 – Att. 4, Forms for Previously Identified Properties
List of public libraries where the supplement draft EIS will be available:
Aberdeen Timberland Library
Bellevue College Library Media Center
King County Library System - Bellevue Regional Library
King County Library System - Kingsgate Library
King County Library System - Kirkland Library
King County Library System - Lake Hills Library
King County Library System - Newport Way Library
King County Library System - Redmond Regional Library
Lake Washington Technical College, Technical Library
North Seattle Community College Library
Seattle Central Community College, Library
Seattle Public Library - Central Branch
Seattle Public Library - International District/Chinatown Branch
Seattle Public Library - Montlake Branch
Seattle Public Library - North East Branch
Seattle Public Library - University Branch
Timberland Regional Library
UW - Suzzallo and Allen Libraries
UW Department of Engineering - Library
Washington State Library