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1-5:Aurora Donald Interchange(Exit 278) <br /> Interchange Area Management Plan for Marion County Approval <br /> ODOT KN19062 <br /> Oregon Department of Transportation—Region 2 <br /> TABLE OF CONTENTS (CONTINUED) <br /> 5.3.1 Right-of-Way 5-6 <br /> 5.3.2 Transportation Performance 5-7 <br /> 5.3.3 Environmental Impacts 5-7 <br /> 5.4 Phase 1 5-8 <br /> 5.4.1 Right-of-Way 5-9 <br /> 5.4.2 Transportation Performance 5-11 <br /> 5.5 Access Management 5-15 <br /> 5.5.1 Preferred Alternative 5-16 <br /> 5.5.2 Phase 1 5-17 <br /> 5.6 Land Use and TAMP Implementation 5-18 <br /> 5.6.1 Local Policy and Permitting 5-18 <br /> 5.6.2 Alternative Mobility Targets 5-19 <br /> 5.6.3 TAMP Adoption Process 5-21 <br /> 6. PUBLIC INVOLVEMENT 6-1 <br /> 6.1 Stakeholders 6-1 <br /> 6.2 Outreach Summary 6-1 <br /> 6.2.1 Project Introduction 6-2 <br /> 6.2.2 Alternatives Development 6-2 <br /> 6.2.3 Preferred Alternative Selection 6-3 <br /> 6.2.4 Preferred Alternative Refinement and Phase 1 6-4 <br /> 7. REFERENCES 7-1 <br /> LIST OF FIGURES <br /> ES-1 IAMP Study Area 2 <br /> 1-1 IAMP Study Area 1-2 <br /> 2-1 Existing Land Use 2-2 <br /> 2-2 Marion County Zoning 2-3 <br /> 2-3 Intersection Lane Configurations 2-7 <br /> 2-4 FEMA Floodplains and Goal 5 Resources 2-10 <br /> 2-5 Soils, Wetlands, and Streams 2-12 <br /> 2-6 Hazardous Materials Details 2-16 <br /> 2-7 Archaeological Resources 2-18 <br /> 3-1 2018 30th Highest Annual Hour Traffic Volumes—All Vehicles 3-3 <br /> 3-2 2018 30th Highest Annual Hour Traffic Volumes—Heavy Trucks Only 3-4 <br /> 3-3 2042 Design Hour Traffic Volumes—All Vehicles 3-10 <br /> 3-4 2042 Design Hour Traffic Volumes—Heavy Trucks Only 3-11 <br /> July 2020 1274-3012-031 iii <br />