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GLOSSARY Preliminary design:The initial phase of design Right of way:The land or property owned development for transportation projects, or controlled by a government agency where conceptual designs are refined and (e.g. WSDOT,the County, or a municipality) detailed to a level suitable for environmental for the construction and maintenance of review and analysis. transportation infrastructure. Project need statement:A statement Roadway widening: Increasing the width or identifying the baseline performance need capacity of a roadway by adding additional for the project. For each identified project lanes or shoulders. need, there may be one or more performance metrics,targets, and gaps. S Project purpose:The primary objective or goal of a transportation project, often established Safety: Measures and conditions aimed at to address specific needs or challenges within protecting travelers and reducing the risk of a community or region. crashes or injuries within the transportation system. Q Shoulder:The portion of the roadway adjacent to the travel lanes, used primarily Qualitative analysis: Evaluation method for accommodation of stopped vehicles, that focuses on assessing the quality or emergency use, lateral support of the travel characteristics of alternatives based on lanes, and where allowed, use by pedestrians subjective judgments rather than numerical and bicycles. data. Qualitative analysis may involve Stakeholders: Individuals, groups, or assessing factors such as feasibility, social organizations with an interest or concern in impact, and environmental compatibility. the outcome of a project, including residents, Quantitative data: Numerical data used businesses, advocacy groups, and government in the evaluation process to measure the agencies. performance of alternatives against predefined State Environmental Policy Act(SEPA):State- criteria. Quantitative data may include metrics level environmental legislation modeled after such as cost estimates, traffic flow, and NEPA, requiring assessment of environmental environmental impact assessments. impacts for projects within state jurisdiction and codified in RCW 43.21C. R T Resiliency:The ability of a transportation system to withstand and recover from Tiered evaluation:An evaluation process disruptions or disasters, such as extreme divided into tiers or phases, with each tier weather events or accidents. assessing alternatives based on different levels of detail or criteria.Tier 1 typically involves an Reversible lanes:Traffic lanes that can be initial assessment of all alternatives, while Tier switched in direction to accommodate peak 2 focuses on a more detailed evaluation of top- traffic flow, typically operated during specific ranked alternatives. times or conditions. VOLUME I: FEASIBILITY REPORT 1-90 Corridor Easton to Cle Elum Feasibility Study I xii