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TABLE 3
<br />II Transportation. Systems Development Charge Analysis ~I
<br />1. Analysis of Transportation System
<br />Eugene/Springfield metropolitan average vehicle trip length 4.38
<br />Eugene trip end peak vehicle miles; percentage on Eugene's arterial and collector streets 0.35
<br />Total lane miles of arterial and collector system, excluding turn lanes (arterial = 59.4°,6; collector =40.6% j 404,12
<br />Average number of lanes per mile of arterials and collectors 3.26
<br />Eugene avera a one wa tri len h for arterial and collectors miles er tri 4.38 * 0.35 • Yx 0.7665
<br />2. Arterial and Collector Street System Analysis (Linear Mile Costs):
<br />Existing level of service "D" for Roads; number of vehicles per hour (capacity per lane mile) 675
<br />Linear Section Total Construction Costs:
<br />D Typical collector street width 46 feet ~ Typical arterial street width 66 feet
<br />~ Typical collector construction cost per linear feet $241.02 ~ Typical arterial construction cost per linear feet $337.27
<br />a Total cost per linear mile, 46' collector
<br />[ $241.023 * 5,280 linear feet per mile]
<br />$1,272;601 ~ Total cost per linear mile 66' arterial
<br />„
<br />($337.273 5,280 linear feet per mile] $1,780,801
<br />Average Linear Section Costs:
<br />~ Average construction cost per linear mile
<br />
<br />[ ($1,272,601 ".406) + ($1,780,801 * .594) ]
<br />$1, 574; ,472 a Average construction cost per linear foot
<br />
<br />[ $1,574,472 / 5,280 linear feet per mile] $298 20
<br />~ Average non-assessable cost /linear mile [53.9%] $848,640 n Average assessable cost /linear mile [46.1°,6] $725,832
<br />~ Average non-assessable cost per linear foot
<br />[ $848,640 / 5,280 lihear feet per mile ]
<br />$160.73. a Average assessable cost per linear foot
<br />
<br />[ $725,832 / 5,280 linear feet per mile ] $137.47
<br />Assessable and Non-assessable Costs:
<br />~ Non-assessable cost per lane mile {excludes
<br />administration and engineering charges}
<br />[ $848,640 / 3.26 (average # of lanes per mile) ]
<br />$260,319 ~ Assessable cost per lane mile {excludes
<br />administration and engineering charges}
<br />[ $725,832 / 3.26 (average # of lanes per mile) ]
<br />$222,648
<br />~ Non-assessable admmistration/engineering
<br />costs a lied
<br />pp [ $260,319 * .25 ]
<br />~` Total rion aksses~abie cost"per lane mile
<br />~~~ ~ ~ ~*, [~Z6o,319 +,: $65080
<br />Y s~,~~•„~` r~,,„YV,,~,_ a~ .~,4: ~,,. „i ]
<br />$65,080
<br />
<br />'-~
<br />$325,399 ~ Assessable administration/engineering costs
<br />
<br />applied [ $222,648 * .25 ]
<br />a Total assessable cost per lane mile
<br />
<br />[ $222,648 + $55,662 ] $55,662
<br />
<br />
<br />
<br />278,310
<br />Intersection Costs (based on the linear foot unit costs and the average number of intersections per lane mile):
<br />n Cost per lane mile {excluding administration
<br />and engineering costs } $38,117 '` Cost per lane mile {including engineering'
<br />!administration costs.;} [+,(38,117 ", 0.35)] $47 646.
<br />
<br />,;:;
<br />Traffic Signal Costs:
<br />a Signalized intersections in Eugene system 144 ~ Total # intersections with traffic signals 198
<br />n Signalized intersections, joint with state system 54 ~ Eugene equivalent signals [ (54 / 2) + 144 ] 171
<br />~ Percent signalized intersections per lane mile
<br />171 / 404.12
<br />[ ]
<br />0.4231 a Adjusted signalized intersections per lane mile
<br />
<br />"`; {with downtown high density reduction factor} 0.35
<br />D Average signalization cost per intersection
<br />
<br />{includes administration & engineering charges}
<br />$200, 000 k- "Signalixation cost per `lane mile of arterial ! I
<br />
<br />collectors [,$200,000::" 0.35.:] 870,000
<br />Bridges and Other Structure costs:
<br />a Past project costs -small structures {'/Z of bridge inventory} $9,377,554
<br />D Past project costs -Ferry St. Bridge and Ferry Street Bridge overpass [ $3,619,980 + $6,182,400 ] $9,802,380
<br />a Administration and engineering costs added to past project costs [ ($9,377,554 + $9,802,308) * 0.25 ] $4,794,983
<br />~ Total costs for past projects, bridges and other structures [ $9,377,554 + $9,802,380 ± $4,794,963 ] $ 23,974,917
<br />>- Avera. s cast,; ar larl~,in~le..
<br />g for bridges/stryctures:{inaludes'ad.min. 8< Eng."charge} `.[;$23,974,9.17 !`404.12:_]
<br />$59 326::
<br />Arterial and Collector Street Light Construction Costs:
<br />a Standard # of street lights per vehicle mile (capacity per lane mile) 27 Cost- per arterial street light $3,0~
<br />7-~Av2Yage•street Irc~tit cc3st pEr trip" ,, ,~~ [ (0.7665 /'27) ";$3,000 j $85.1,
<br />Tota! Cost :per Lane, Mile af.Street,System [ $325399 + $47,646;+ $70,000 + $59,936 ]' $502,370.94:
<br />TgTAi'.: STREET!;SYSTEM COST PEf2-TRIP (vv[th lighting), [ { $85:17.) + ((0.7665'1 675 '' $502,371) ] $655.64
<br />3. OffStreet Bic cle Path Anal sis:
<br />Total estimated population (1995) 121,905 Total number of trips per person 1.311
<br />Existing standard (LOS); lighting per 1,000 persons [40 lights x 6.90 mile = 276 to'.al lights; (276 / 27.65 total path miles)/121,905] 0.0819
<br />Cost per mile off-street path lighting [ $3,000x40 ] $120,000 'Cost per person off-stfeet iightirig [(o;os~9/1,000) * 120;000] ; $8,83'.
<br />Existing standard (LOS) for bicycle path miles per 1,00 persons [ (27.65 miles of path / 121,905) x 1,000] 0.2268
<br />Cost per mile of off-street bicycle path $350,000 Cost pet.person.off-street path ((0,2268 / 1,000)'350,000 j $79,38'
<br />TO'T='AL BICYCL~';PATHCOSTPER TRIP:- Ad usted m" eak `$7$.39 + $g.,g3 ! 1:311. x$68.0
<br />4. Summary of All Transportation System SDC Components:
<br />Cost per Street System Component; per trip $655.64 Cost per off-street bicycle path component; per trip $68.05
<br />TO> _~,SD°C,.PER' TR R:;;~co,mpan.ents include liahtina .costs:;) ._ ~._ f .655 f;.~ +-~~R n~ i ~~~~ a"a
<br />Proposed Methodologies: City of Eugene SDCs (Effective March 01, 1997) Page C-5
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