2024-07-22-minutes-public-works-&-cds-study-session

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LIST OF FIGURES Figure1-1 Project Study Area............................................................................................................................................2 Figure 1-2 Feasibility Study Process and Approach....................................................................................................6 Figure2-1 Range of Alternatives......................................................................................................................................9 Figure 2-2 No Build Conditions (Alternative 6)...........................................................................................................10 Figure 2-3 Alternatives 1, 2, and 3 - General Alignment............................................................................................12 Figure 2-4 Alternative 1 - Proposed Configuration....................................................................................................13 Figure 2-5 Alternative 2 - Proposed Configuration...................................................................................................15 Figure 2-6 Alternative 3 - Proposed Configuration...................................................................................................18 Figure 2-7 Alternative 4A - Conceptual Cross-Section.............................................................................................19 Figure 2-8 Alternative 4A - General Alignment...........................................................................................................20 Figure 2-9 Alternative 4B - Conceptual Cross-Section............................................................................................. 21 Figure 2-10 Alternative 4B - General Alignment...........................................................................................................22 Figure 2-11 Alternative 5 - Conceptual Cross-Section................................................................................................23 Figure 2-12 Alternative 5 - General Alignment.............................................................................................................24 Figure 3-1 Monday Summer Westbound Average Vehicle Volumes on 1-90 in the Study Area, 2018............35 Figure 3-2 Future Year 2040 No Build Modeled Travel Speeds by Time of Day and Location along 1-90 in the Study Area on Memorial Day Monday.......................................................................36 Figure 3-3 Cultural and Historic Sites, Parks, and Recreational Facilities in the Study Area ........................ 47 Figure 3-4 Environmental Health Disparities Map of 1-90 Corridor Study Area..................................................51 Figure 4-1 Tier 1 Evaluation Summary by Alternative - Weighted Score.............................................................62 Figure 4-2 Tier 2 Evaluation Summary by Alternative - Weighted Score.............................................................70 Figure 5-1 Public Survey 1 Results Summary - Biggest Public Concerns............................................................75 Figure 5-2 Public Survey 1 Results Summary - Prioritization of Improvements...............................................76 Figure 5-3 Public Survey 2 Results Summary - Preferred Alternative.................................................................76 Figure 5-4 Webinar 2, February 2024 - Sample Potting Question..........................................................................80 VOLUME 1: FEASIBILITY REPORT 1-90 Corridor — Easton to Cle Elum Feasibility Study I vii