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<br /> 1 ~ s <br /> peak demand, thus the use of the P.M. peak hour trip generation rate. Trip rates,are to be <br /> determined using paragraph 3 Trip Generation Rates, of this Appendix C. <br /> Units :per Development= the unit of measure , which represents the, ,size of a <br /> development, such as thousand gross square feet (TGSF). The unit„ value is <br /> determined. by the developing. project's size, and the type of urtits is set for. eacfi eland <br /> use in Attachment #1 of this Appendix. <br /> =The factor used to account. for the fact` that each trip .has an .origin. and e <br /> destination, By applying this factor, costs are equally assigned.between the origin and <br /> the destination and each development should `be responsible for only half of the total <br /> impact of each trip, <br /> Average Length of Metro. Tr/ps fTrip-Eength] =The average length of all vehicle trips ~ <br /> fie] for the Deal Springfield-Eugene metropolitan area. The current average length of <br /> vehicle trips {Fn] can be fiound° in Tabi'e 3 <br /> Eugene Trip_Ettd P.M._ Peak; Vehicle .Mlles; Percent on Eugene's <br /> Arterials and CollectorfsJ Streets =The {percentage] portion of the ter~gth of ail vehicle <br /> trips with at leai'~ qne -end point in Eugene, that occur on Eugene arterials and collector (s] <br /> street. The: percentage`tioes`not include travel in Eugene that occurs <br /> on state highways, county roads, or local streets. Analysis of ti~ffic `flow is used to <br /> determine the;percent of P,M. peak vehicle: miles traveied,on trips originating :and/or <br /> ending it the Eugene Urban Growth Boundary, <br /> that„occurs on Eugene's arterial and collector streets {for-which <br /> - the s'~ts that'., acne ~II~#i~)~ f+~r ~c~st <br /> ret~very:thr+oui~h SD~s State highways and county roads are excluded from this analysis <br /> since the City of Eugene is not responsible for construction costs associated with those <br /> facllities. Local streets are excluded from the SDC analysis since they are funded through <br /> assessment revenues. <br /> Miles pair-Trfp»~ fetgene's average orie way-trip 1ang~'i,~'rt.e~ai~~ed,nplfeCtors <br /> represented >~r; numera#or ;fin the;'sbove equation (da~ar~,~ siiatf,d';~r+e)= is t-t~e <br /> percen~ge of l~~ugert+~ traffic eligible far recovery thre~ugh <br /> 5triaet 5;~steittCapacity per...;Lane 1Nf~q; =The capacity of a lane at level of service (LOS) <br /> "D". Because of the limitations imposed at intersections, the capaclty of a lane at LOS "D" <br /> is 675 vehicles par lerie per hour. <br /> Total Street 3}~tri Cost per lane Mfle = The avet'age cost of right-of--way acquisition and <br /> construction for one lane mile of street. , <br /> This figure includes the cost for construction of streets, intersections, <br /> necessary structures (e.g., bridges), and traffic signals. <br /> _ _ <br /> 2 675 <br /> Proposed Methodologies: City of Eugene SDCs (Effective March 01, 1997) Page C-2 <br /> <br />