H.B. Van Duzer Environmental Assessment
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H. B. Van Duzer Forest Corridor—Steel Bridge Road ORE 18/ORE 22 Polk County Environmental Assessment and Draft Section 4(f) Evaluation Oregon Department of Transportation Federal Highway Administration September 2002 Going Metric In accordance with recent Executive Orders and Secretary of Commerce direction, Federal Highway Administration and supporting agency project plans were to be converted to metric units by 2000. However, the Oregon Department of Transportation is now in the process of converting back to English units. This document, where appropriate, will reflect both English and metric units side by side to assist the reader. The following is a brief summary of the conversion factors and units used in this document. From English Units To Metric Units Multiply By mile (mi) Kilometer (km) 1.609 foot (ft) meter (m) 0.3048 cubic yard (cy) cubic meter (m3) 0.7646 acre (ac) hectare (ha) 0.4047 miles per hour (mph) Kilometers per hour (km/h) 1.609 Alternative Format Availability In compliance with the Americans with Disabilities Act, alternative formats of this document will be made available on request. Insert Signature Page Contents Section Page Executive Summary..............................................................................................................................1 Project Identification ...........................................................................................................................3 The Scope of This Environmental Assessment .......................................................................3 Description of the Proposal .......................................................................................................4 Purpose and Need.......................................................................................................................4 History ........................................................................................................................................15 Recent Planning History ..........................................................................................................16 Decision-Making .......................................................................................................................16 Project Alternatives...................................................................................................................17 The Build Alternative ........................................................................................................................19 Four-Lane Highway with Non-Traversable Median ...........................................................19 Interchanges at Grand Ronde and Casino/Valley Junction ...............................................19 Intersection at Fort Hill (Option FH-A) .................................................................................20 Access Management .................................................................................................................20 Implementation in Phases........................................................................................................22 The No Build Alternative..................................................................................................................25 Alternatives and Design Options Considered But Not Advanced ...........................................55 Limited Build.............................................................................................................................55 By-passes ....................................................................................................................................56 Five-Lane Highway with Center Turn Lane .........................................................................57 Four-Lane Divided Highway with Non-Traversable Median............................................57 Four-Lane Highway with Interchanges—Interchange Designs and Other Options.......57 Other Types of Alternatives .............................................................................................................97 Travel Demand Management (TDM).....................................................................................97 Pedestrian and Bicycle Travel .................................................................................................97 Public Transit.............................................................................................................................97 Rail ..............................................................................................................................................98 Areas of Critical Concern and Controversial Issues....................................................................99 Probable Permit Needs and Planning Actions ...........................................................................101 Transportation Impacts ...................................................................................................................103 Existing Conditions.................................................................................................................103 Impacts of the Build Alternative...........................................................................................108 Impacts of the No Build Alternative ....................................................................................109 Right-of-Way Impacts......................................................................................................................113 Acquisition Program...............................................................................................................113 Impacts of the Build Alternative...........................................................................................114 H.B. VAN DUZER EA.DOC III CONTENTS, CONTINUED Section Page Impacts of the No Build Alternative.................................................................................... 116 Mitigation ................................................................................................................................ 117 Business, Community Facility, Neighborhood and Residential Impacts............................. 123 Study Boundaries ................................................................................................................... 123 Sources of Socioeconomic and Project-Related Data......................................................... 123 Existing Conditions and Trends........................................................................................... 123 Impacts of the Build Alternative .......................................................................................... 125 Impacts of the No Build Alternative.................................................................................... 131 Measures To Minimize and Reduce Socioeconomic Effects............................................. 132 Land Use and Zoning ...................................................................................................................... 135 Existing Conditions ................................................................................................................ 135 Proposed Land Use and Zoning Changes........................................................................... 135 Impacts of the Build Alternative .......................................................................................... 136 Impacts of the No Build Alternative.................................................................................... 149 Conformance with Land Use, Transportation and Other Planning Regulations ................ 151 Compliance with Comprehensive Plans and Statewide Planning Goals ....................... 151 Compliance with State Plans and Regulations................................................................... 153 Conformance with Federal Regulations.............................................................................. 161 Natural Resource Impacts .............................................................................................................. 163 Wetlands .................................................................................................................................. 163 Water Quality.......................................................................................................................... 171 Fish and Wildlife Habitat ...................................................................................................... 178 Proposed, Threatened and Endangered Species................................................................ 184 Noxious Weeds and Non-Native Species ........................................................................... 198 Ecologically and Scientifically Significant Natural Areas................................................. 200 Wilderness Areas, Trails, Wild and Scenic Rivers ............................................................. 200 Cultural Resources and Recreational Areas................................................................................ 201 Parks ......................................................................................................................................... 201 Archaeological Resources...................................................................................................... 201 Visual Resources....................................................................................................................