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a . <br />METHODOLOGIES: <br />City of Eugene Systems Development Charges <br />Appendix C <br />Transportation .System Charge Detail <br />1.0 Arterial and Collector Streets <br />11 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 Plan), 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 ' <br />for each lane mile of arterial and collector streets. Note that the cost calculation excluded <br />the assessable costs and evaluated only the arterial and collector system: Paragraph 1.3 <br />and Table 3 of this Appendix, contains a detailed analysis and numerical supporting. data `of <br />the 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 />Fee formula: <br />~ (Miles per trip) <br />~° ~~~-~~~~~~t~gerte 'i"€~p Etta <br />:.~ ~ ~' r -~ I~ea~c Vef~IC~e ~l~BSr a <br />Typical ~~~~Lle~ ~~~~e~t ot~~ug~n ~~ <br />~-; -' _,,s~,,x , ~....~ .,,,~-~ Total Street <br />p Units .,,~~~-~~ ~ ~ ~4grtert~~s7~~olfecto~,~ System <br />,. <br />_ ~. - <br />Tn s X er X t~ ~~~ ~~~~-~. ~~~,~ X <br />Generated P _ ... _ ..,. .. ,;,_ _.. _.. ,, ':° Gost per, <br />per Unit- Development _ Lane Mile <br />`street System Capacity perLane Mile <br />:: ,. ,. <br />Where: <br />Impact Fee _ The Transportation SDC fee to be collected from a development which• <br />represents heir 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-fora similar `types. of <br />development: <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 <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 development, <br />such as thousand gross square feet (TGSF). The unit value is determined by the developing <br />projects size, and the type of units is set for each land use in Attachment #1- of this , <br />Appendix. <br />March 01,.1997 Methodologies: City of Eugene SDCs Page C-1 _ <br />