ENVIRONMENTAL ASSESSMENT/ ENVIRONMENTAL ASSESSMENT WORKSHEET I-94 UBOL Resurfacing Maple Grove to Rogers and Brockton Interchange State Project: S.P. 2780-97 (I-94 Resurfacing) 229-010-001 (Brockton Interchange) Minnesota Project: Not yet available From the I-494/I-694 Interchange in Maple Grove to Trunk Highway (TH) 101 in Rogers and from CSAH 81 to Brockton Lane in Dayton In Maple Grove, Dayton, and Rogers, in the County of Hennepin, in the State of Minnesota Sections 5, 6, 8, 9, 16, 17, 21, 22, 26, 27 Township 119N Range 22W Section 31 Township 120N R22W Sections 14, 23, 24, 25, 36 Township 120N R 23W Submitted pursuant to 42 U.S.C. 4332 and M.S. 116D By: U.S. Department of Transportation, Federal Highway Administration, and Minnesota Department of Transportation for Resurfacing of an existing 9.6 miles of interstate highway between the I-494/I-694 interchange in Maple Grove to TH 101 in Rogers with an unbonded overlay (UBOL). Construction of one added travel lane in each direction between TH 610 and TH 101. Construction of a new interchange in Dayton. Construction of a commercial vehicle inspection site in the westbound direction in Rogers. Pavement resurfacing and capacity expansion at the Elm Creek Rest Area. Associated road and trail improvements to support the interchange and I-94 ramp resurfacing within the project area. Contacts: FHWA: MnDOT: Joe Campbell Jerome Adams Area Engineer/Assoc. Bridge Engineer Project Manager 380 Jackson Street, Suite 500 MnDOT Metro St. Paul, MN 55101 1500 County Road B2 Phone: 651-291-6100 Roseville, MN 55113 Phone: 651-234-7611 Recommended for approval by: MnDOT – District Engineer Date Approved by: MnDOT – Chief Environmental Officer Date Approved by: FHWA – Project Development Engineer Date This document is available in alternative formats to individuals with disabilities by calling the Minnesota Relay Service at 1-800-627-3529. Figure 1: Project Location Map Figure 2: S.P. 2780-97 i Environmental Assessment/ I-94 Resurfacing Maple Grove to Rogers and Brockton Interchange Environmental Assessment Worksheet Figure 2 a: USGS Project Location Map S.P. 2780-97 ii Environmental Assessment/ I-94 Resurfacing Maple Grove to Rogers and Brockton Interchange Environmental Assessment Worksheet Figure 2 b: USGS Project Location Map S.P. 2780-97 iii Environmental Assessment/ I-94 Resurfacing Maple Grove to Rogers and Brockton Interchange Environmental Assessment Worksheet Figure 3: Project Study Area Map S.P. 2780-97 iv Environmental Assessment/ I-94 Resurfacing Maple Grove to Rogers and Brockton Interchange Environmental Assessment Worksheet Table of Contents I. REPORT PURPOSE...................................................................................................................................................... 1 II. PURPOSE AND NEED FOR PROJECT ............................................................................................................................ 2 A. Background ....................................................................................................................................................... 2 B. What are the Needs for the Proposed Action? ................................................................................................... 4 1. Primary Needs .......................................................................................................................................... 4 2. Secondary Needs ...................................................................................................................................... 7 3. Additional Considerations ......................................................................................................................... 8 C. What is the Purpose of the Proposed Action? .................................................................................................. 10 III. ALTERNATIVES......................................................................................................................................................... 11 A. No Build Alternative ........................................................................................................................................ 11 B. I- 94 Build Alternatives ..................................................................................................................................... 11 1. I- 94 Alternatives Considered ................................................................................................................... 11 2. Evaluation of I-94 Alternatives ................................................................................................................ 13 3. Evaluation of Remaining Alternatives ...................................................................................................... 14 C. Brockton Interchange Alternatives ................................................................................................................... 16 1. Background ............................................................................................................................................ 16 2. Brockton Interchange Alternatives Considered........................................................................................ 17 3. Evaluation of Brockton Alternatives ........................................................................................................ 17 D. Alternatives under Consideration in the EA ...................................................................................................... 18 1. No Build Alternative................................................................................................................................ 18 2. Preferred Alternative (I-94-1b, I-94-2b and Brockton 3) ........................................................................... 19 3. Summary of Impacts ............................................................................................................................... 20 E. Other Projects Near the Proposed Project........................................................................................................ 21 F. Project Cost, Funding, and Schedule ................................................................................................................ 22 1. Project Cost ............................................................................................................................................ 22 2. Project Funding ...................................................................................................................................... 22 3. Project Schedule ..................................................................................................................................... 22 IV. SOCI AL, ECONOMIC AND ENVIRONMENTAL IMPACTS (SEE) .................................................................................... 23 A. Environmental Assessment Worksheet (EAW) ................................................................................................. 23 1. Project Title ............................................................................................................................................ 23 2. Proposer ................................................................................................................................................. 23 3. RGU ........................................................................................................................................................ 23 4. Reason for EAW Preparation (check one) ................................................................................................ 23 5. Project Location ...................................................................................................................................... 24 6. Project Description ................................................................................................................................. 24 7. Cover Types ............................................................................................................................................ 25 8. Permits and Approvals Required ............................................................................................................. 26 9. Land Use................................................................................................................................................. 27 10. Geology, Soils and Topography/Land Forms ............................................................................................ 33 11. Water Resources .................................................................................................................................... 36 12. Contamination/Hazardous Materials/Wastes .......................................................................................... 44 13. Fish, Wildlife, Plant Communities, and Sensitive Ecological Resources (Rare Features)............................. 46 14. Historic Properties .................................................................................................................................. 49 15. Visual ..................................................................................................................................................... 51 16. Air .......................................................................................................................................................... 51 17. Noise .....................................................................................................................................................