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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 <br /> EXECUTIVE SUMMARY ES-1 <br /> Background ES-1 <br /> Problem ES-1 <br /> Alternative Development and Selection ES-2 <br /> 1. IAMP AND PROJECT DESCRIPTION 1-1 <br /> 1.1 Background 1-1 <br /> 1.2 Study Area 1-1 <br /> 1.3 Purpose 1-2 <br /> 1.4 Problem Statement 1-3 <br /> 1.5 Goals and Objectives 1-4 <br /> 2. EXISTING CONDITIONS AND INVENTORY ANALYSIS 2-1 <br /> 2.1 Introduction 2-1 <br /> 2.2 Land Use 2-1 <br /> 2.2.1 Existing Land Use and Zoning 2-1 <br /> 2.2.2 Growth and Demographics 2-4 <br /> 2.3 Transportation Facilities 2-5 <br /> 2.3.1 Road Facilities 2-5 <br /> 2.3.2 Pedestrian and Bicycle Facilities 2-8 <br /> 2.3.3 Public Transit Facilities 2-8 <br /> 2.4 Natural Resources 2-8 <br /> 2.4.1 Physical Setting 2-8 <br /> 2.4.2 Floodplains 2-9 <br /> 2.4.3 Surface Waters and Wetlands 2-10 <br /> 2.4.4 Biological Resources and Habitat 2-12 <br /> 2.4.5 Open Space and Parks 2-14 <br /> 2.5 Hazardous Materials 2-14 <br /> 2.5.1 Recommendations 2-15 <br /> 2.6 Cultural Resources 2-16 <br /> 2.6.1 Historic Resources 2-16 <br /> 2.6.2 Archaeological Resources 2-17 <br /> 2.6.3 Section (4f) and Section 6(f) 2-18 <br /> 3. TRAFFIC OPERATIONS—EXISTING AND FUTURE CONDITIONS ANALYSIS 3-1 <br /> 3.1 Traffic Analysis Methodology 3-1 <br /> 3.2 Existing Conditions 3-1 <br /> July 2020 1274-3012-031 <br />