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...Units per Development =the unit of measure which represents the size of a development,.. <br />such as thousand gross square feet (TGSF). The unit value is determined by the developing.:.: <br />project's size, and the type of units is set for each land use in Attachment #1 of this Appendix.. <br />=The factor used to account for the fact that each trip has an origin and a destination. By <br />applying this factor, costs are equally assigned between the origin and the destination.(trip <br />ends) and each development should be responsible for only half of the total impact of each <br />trip. <br />~vrage Length of Metro. Trips =The average length of all vehicle trips-for the .local <br />Springfield-Eugene metropolitan area. The current average length of vehicle trips can be <br />found in Table 3. <br />Eugene Trip End P. M. Peak Vehicle Miles; Percent on Eugene's Arterials and Collector <br />Streets =The portion of the length of all vehicle trips with at least one end point in Eugene <br />that occur on Eugene arterials and collector streets. The percentage does not include travel <br />in Eugene that occurs on state highways, county roads, or local streets. Analysis of traffic <br />flow is used to determine the percent of P.M. peak vehicle miles traveled on trips originating <br />and/or ending in the Eugene llrban Growth Boundary, that occurs on Eugene's arterial .and <br />collector streets -- the streets that are eligible for cost recovery through SDCs. State <br />highways and county roads are excluded from this analysis since the City of Eugene is not <br />responsible for construction costs associated with those facilities. Local streets are excluded <br />from the SDC analysis since they are funded through assessment revenues. <br />Trip End =One trip end is equal to one trip, as defined above. For trip. generation purposes, <br />total trip ends for a land use over a given period of time are the total of all trips entering plus <br />all #rips exiting a site. during that period. <br />Miles per Trip =Eugene's average one way trip length for arterials and collectors, <br />represented by the numerator in the above equation (darker gray shaded area), is the <br />percentage of Eugene traffic eligible for recovery through SDCs. <br />Street System Capacity per Lane Mile =The capacity of a lane at level of service (LOS) "D". <br />Because of the limitations imposed at intersections, the capacity of a lane at LOS "D" is 675. <br />vehicles per lane, per hour. The LOS "D" refers to a range of volume to capacity ratios in <br />which acceptable traffic flows are anticipated. For. purposes of identifying future traffic <br />overloads, streets and highway are considered to have inadequate capacity with level "E" or <br />Toad. ;LOS "D" was established based on several components and is the minimal level of <br />service: established. in the City's infrastructure ..plans (e.g. Transplan) for transportation and <br />is also the national standard that urban arterial and collector streets are typically designed <br />to meet. <br />Total Street System Cost per Lane Mile =The average cost of right-of-way acquisition and <br />construction for one lane mile of street. This figure includes the cost for construction of <br />streets, intersections, necessary: structures (e.g., bridges),. and traffic signals.. <br />1.2 Application <br />The development charge is based upon traffic generated by each development during the <br />peak hour times the cost per trip. All development shall pay based upon the number of p.m. <br />peak hour trips generated. <br />City of Eugene SDC .Methodology Transportation, PageB-2 <br />_ _ _ _ __ <br />