COLORADO HIGHWAY 71 (Limon north to Colorado/Nebraska state line)

Appendix A

CO 71 Environmental Scan

COLORADO HIGHWAY 71 (Limon north to Colorado/Nebraska state line)

TRUCK FREIGHT DIVERSION FEASIBILITY STUDY

PREPARED FOR:

CDOT Region 4 10601 W. 10th Street Greeley, CO 80634

PREPARED BY:

WSP USA 1600 Broadway, Suite 1100

Denver, CO 80202

ENVIRONMENTAL SCAN TECHNICAL REPORT

State Highway 71 Super-2 Design Limon, Colorado to the Nebraska State Line

STA 071A-019 September 2017

Prepared for: Colorado Department of Transportation

WSP USA

Prepared by: Atkins North America, Inc.

SH 71 Environmental Scan Draft Technical Report

Table of Contents

Acronyms ............................................................................................................................................................. iii Introduction .......................................................................................................................................................... 1

Study Area......................................................................................................................................................... 1 Methodology..................................................................................................................................................... 1 Resources Evaluated ............................................................................................................................................. 4 Farmlands ......................................................................................................................................................... 4

Methodology................................................................................................................................................. 4 Existing Conditions........................................................................................................................................ 4 Next Steps ..................................................................................................................................................... 5 Hazardous Materials ......................................................................................................................................... 6 Methodology................................................................................................................................................. 6 Existing Conditions........................................................................................................................................ 6 Next Steps ..................................................................................................................................................... 9 Historic Resources........................................................................................................................................... 10 Methodology............................................................................................................................................... 10 Existing Conditions...................................................................................................................................... 10 Next Steps ................................................................................................................................................... 11 Land Use.......................................................................................................................................................... 12 Methodology............................................................................................................................................... 12 Existing Conditions...................................................................................................................................... 12 Next Steps ................................................................................................................................................... 13 Noise ............................................................................................................................................................... 14 Methodology............................................................................................................................................... 15 Existing Conditions...................................................................................................................................... 15 Next Steps ................................................................................................................................................... 16 Parklands and Recreation ............................................................................................................................... 17 Methodology............................................................................................................................................... 17 Existing Conditions...................................................................................................................................... 17 Next Steps ................................................................................................................................................... 17 Vegetation and Noxious Weeds...................................................................................................................... 19 Methodology............................................................................................................................................... 19 Existing Conditions...................................................................................................................................... 19

September 2017

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