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CHAPTER 4: ALTERNATIVES EVALUATION CRITERIA <br /> Using the same process used in the Tier 1 4.4 Alternatives Selected <br /> Evaluation, Table 4-5 presents the Tier 2 <br /> Targeted Evaluation for 1-90 Alternatives to Move Forward <br /> Performance Measurements (rating)for the The Tier 1 Evaluation identified all three <br /> identified criteria.Additional traffic modeling 1-90 alternatives as the best-performing <br /> was also undertaken which compared the alternatives aligning with the Project Goals <br /> three alternatives.The results of this modeling compared to alternatives outside of the <br /> exercise are presented at the end of Appendix A. 1-90 right-of-way corridor. However, given <br /> The public input via a survey and Open House the comparable scores for all three 1-90 <br /> was conducted in February 2024(see Chapter alternatives,the County and WSDOT conducted <br /> 5).The public voted on one or more preferred a Tier 2 Evaluation to further compare the top <br /> three alternatives to each other still based on <br /> alternatives. Alternative 2 received the most the Project Goals. <br /> votes with Alternatives 3 and 1 almost tied <br /> (see Figure 5-3).The public heavily favored Although all three 1-90 alternatives scores <br /> improvements that encroached upon the were again very close,the County and WSDOT <br /> median over outside widening or outside of the concluded expansion in the median of 1-90 <br /> 1-90 corridor. would likely cause less disruption to traffic <br /> Table 4-6 below presents a summary of flow, and less physical impacts to the natural <br /> weighted scores for each alternative by Project environment and surrounding communities. <br /> Goal, as well as a diagram (Figure 4-2) showing Therefore,Alternatives 2 and 3 will move <br /> how each alternative compared to each other. forward and be further evaluated in the next <br /> Detailed evaluation worksheets, along with phases of this study. More information about <br /> explanations for the scoring, are included in next steps is presented in Chapter 6. <br /> Appendix H. A comprehensive environmental <br /> evaluation was also performed, and findings <br /> are presented in Appendix G. <br /> VOLUME I: FEASIBILITY REPORT 1-90 Corridor-Easton to Cle Elum Feasibility Study 1 65 <br />