7-22-2024_PW_CDS SS Briefings - Laserfiche WebLink

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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 Polling Question..........................................................................80 VOLUME I: FEASIBILITY REPORT 1-90 Corridor-Easton to Cle Elum Feasibility Study I vii