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METHODOLOGY: <br /> City of Eugene Systems Development Charges <br /> Appendix C <br /> Transportation System Charge Detail <br /> 1.0 Arterial and Collector Streets <br /> 1.1 Formula <br /> The arterial and collector street component is based upon the cost of increasing the vehicular <br /> capacity of these streets. Each lane is calculated to provide a certain capacity. Level-of- <br /> service 'D', the standard adopted in TransPlan (Eugene-Springfield Metropolitan Area <br /> Transportation Ptan), the area's long-range transportation plan, is used as the basis for the <br /> calculation. The cost of increasing capacity is based on the average cost paid by the City for <br /> each lane mile of arterial and collector streets. Note that the cost calculation excluded the <br /> assessable costs and evaluated only the arterial and collector system. Paragraph 1.3 and <br /> Table 3 of this Appendix contains a detailed analysis and numerical supporting data of the <br /> costs used for the arterial and collector component computations. <br /> The impact of new development on the street network is determined by the following Impact <br /> t=ee formula: <br /> ~ (Miles per trip} ~ <br /> eEaQd 2 Pi~l Paak s <br /> ~,~tft ~ I''Arcertt <br /> Typical ~ Tots! Sizeet <br /> Trips Units ° ~ ~ ~ arl~ system <br /> Generated X per X . ' ° ~ . ~ = ~ ~ X Cost-per <br /> per Unit Development Lane Mile <br /> Straet System Capacity per La?re Mile <br /> _ _ _ <br /> Where: <br /> Impact Fee =The Transportation SDC fee to be collected from a development which <br /> represents its equitable share contribution to the public street system. The Transportation <br /> SDC is calculated by multiplying the cost per trip (indicated by the gray shaded areas) by the <br /> units in a development, multiplied by the average trips generated for similar types of <br /> development. <br /> Trips = A single or one-direction vehicle movement with either the origin or the destination <br /> (exiting or entering) inside a study site. <br /> Typical Trips Generated per Unit =The number of vehicle trips caused by the development <br /> during the hours of peak afternoon traffic (P.M. peak hours). The P.M. peak hour trip rate <br /> varies according to land use. Transportation facilities must be built to accommodate the peak <br /> demand, thus the use of the P.M. peak hour trip generation rate. Trip rates are to be <br /> determined using paragraph 3.0, Trip Generation Rates, of this Appendix C. <br /> <br /> May 1, 1997 City of Eugene SDC Methodology Page C-1 <br /> <br />