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<br />Marian Meadows Rezone and Subdivision Final Environmental Impact Statement 3-65 <br />Level of Service (LOS) and Concurrency <br />GPO 4.25 To implement LOS standards that evaluates the adequacy of transportation facilities, <br />which are measurable, understandable, and appropriate to the services and/or facilities <br />being considered under local conditions. <br />GPO 4.26 Kittitas County shall utilize the Highway Capacity Manual (HCM) methodology to <br />measure the effectiveness of the arterial system at arterial intersections by evaluating all <br />arterial/arterial intersections (including state highways) to identify existing service levels <br />and by developing a transportation model to evaluate the impacts of future land use <br />alternatives on arterial/arterial intersections. Intersections, which fall below level of <br />service “C” in rural areas and “D” in federal urban areas, shall be considered deficient. <br />GPO 4.27 To ensure that necessary transportation facilities and services to maintain adopted LOS <br />standards are available when the impacts of development occur. <br />GPO 4.28 Kittitas County shall develop and implement a concurrency management system, which <br />identifies existing deficiencies, funded improvements, and system capacity balances. <br />GPO 4.29 To develop a LOS standard that corresponds to land development goals and policies as <br />expressed in the overall Comprehensive Plan for Kittitas County. <br />GPO 4.30 To encourage land use development patterns and support technology infrastructure, <br />which reduce the demand for increased capacity on roadways. <br />12 What scenarios were analyzed for the future? <br />Two future alternatives were analyzed: the No Build Alternative and Alternative 1, Tenure Scenario 1, <br />which has the highest trip generation. Both alternatives were analyzed for the year 2020, which <br />represents the time when the project is expected to be constructed and fully occupied. <br /> No Build 2020 – This is a future alternative that does not include any development from the <br />proposed project. A background growth rate of 1.43 percent was used to forecast future year 2020 <br />traffic volumes. This background growth rate was obtained from a traffic impact study prepared <br />previously for the project and agreed on by the County (TENW 2006). <br /> Alternative 1, Tenure Scenario 1 2020 – This is a future alternative that includes development of <br />the proposed project with full time residents. This alternative has two options that vary by the <br />amount and location of area developed. <br />o Current subdivision – This option considers impacts of the current subdivision proposal on the <br />western portion of the property and would consist of 226 single-family housing units. <br />o Entire PUD – This option would develop both the lower western portion and the eastern sloping <br />portion of the project area and would consist of 443 single-family housing units.