Environmental Impact Statement (EIS) Database
EIS Details
EIS Title
Sonoran Corridor Tier 1 Final Environmental Impact Statement and Record of DecisionEIS Number
20210166Document Type
FinalFederal Register Date
2021-11-05 00:00:00.0EIS Comment Due/ Review Period Date
Amended Notice Date
Amended Notice
Supplemental Information
Under 23 U.S.C. 139(n)(2), FHWA has issued a single document that consists of a final environmental impact statement and record of decision. Therefore, the 30-day wait/review period under NEPA does not apply to this action.Issuance of Notice of Intent to Prepare an EIS:
2017-05-12 00:00:00.0EPA Comment Letter Date
State or Territory
AZLead Agency
Federal Highway AdministrationContact Name
Ammon HeierContact Phone
602-382-8983Rating (if Draft EIS)
As of October 2018, EPA discontinued the use of ratings for Draft EISs.
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Sonoran Corridor Final Tier 1 EIS Appendix G - Phased Implementation Plan.pdf (5 pp, 602.7060546875 K)
Sonoran Corridor Final Tier 1 EIS Appendix F - Agency and Public Comments and ADOT Responses.pdf (50 pp, 1657.771484375 K)
Sonoran Corridor Final Tier 1 EIS Appendix E - ADOT Responses to Agency Comments.pdf (30 pp, 4098.98046875 K)
Sonoran Corridor Final Tier 1 EIS Appendix D - Agency Notifications Comment Letters.pdf (56 pp, 13425.8056640625 K)
Sonoran Corridor Final Tier 1 EIS Appendix C - Section 106 Consultation and Programmatic Agreement.pdf (115 pp, 9635.89453125 K)
Sonoran Corridor Final Tier 1 EIS Appendix B - Public Hearing Summary.pdf (37 pp, 4604.4736328125 K)
Sonoran Corridor Final Tier 1 EIS Appendix A - Draft Tier 1 EIS.pdf (440 pp, 53374.2646484375 K)
Sonoran Corridor Final Tier 1 EIS P9101.pdf (47 pp, 2900.8505859375 K)