|
TABLE 3
<br />__
<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%; collector = 40.6% ] 404.12
<br />Average number of lanes per mile of arterials and collectors 3.26
<br />Eu ene avers a one wa tri len th for arterial and collectors miles er tri 4.38 * 0.35) * Yz 0.7665
<br />__
<br />eria 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 />~ Typical collector street width 46 feet ~ Typical arterial street width 66 feet.
<br />a Typical collector construction cost per linear feet $224.46 e Typical arterial construction cost per linear feet $321.54
<br />~ Total cost per linear mile, 46' collector
<br />[ $224.46 * 5,280 linear feet per mile]
<br />$1,185,149 a Total cost per linear mile 66' arterial
<br />[ $321.54 * 5,280 linear feet per mile]
<br />$1,697,731
<br />Average Linear Section Costs:
<br />D Average construction cost per linear mile
<br />[ ($1,185,149 *.406) + ($1,697,731 * .594))
<br />$1,489,623 ~ Average construction cost per linear foot
<br />
<br />[ $1,489,623 / 5,280 linear feet per mile)
<br />$282.13
<br />~ Average non-assessable cost /linear mile [53.9%] $802,907 a Average assessable cost /linear mile [46.1 %] $686,716
<br />D Average non-assessable cost per linear foot
<br />[ $802,907 / 5,280 linear feet per mile ]
<br />$152.07 ~ Average assessable cost per linear foot
<br />
<br />[ $686,716 / 5,280 linear feet per mile ]
<br />$130.06
<br />Assessable and Non-assessable Costs:
<br />a Non-assessable cost per lane mile {excludes
<br />administration and engineering charges}
<br />[ $802,907 / 3.26 (average # of lanes per mile) j
<br />$246,290 a Assessable cost per lane mile {excludes
<br />administration and engineering charges}
<br />[ $686,716 / 3.26 (average # of lanes per mile) ]
<br />$210,649
<br />D Non-assessable administration/engineering costs
<br />applied [ $246,290 * .25 j
<br />:
<br />:
<br />~ `
<br />:
<br />:
<br />:
<br />$61,573 a Assessable administration/engineering costs
<br />applied [ $210,649 * .25 ]
<br />$52,662
<br />~
<br />::
<br />::
<br />iii`:
<br />.X
<br />ii:i'i::
<br />:~::~'::i:::'':::'::
<br />..':{..iS ii:
<br />.:::.:~
<br />~~~~.
<br />...>::.~:b3~:G~~~;:)~.;~~I~~.;f]~1I..~.::<.>:.;:.;:;;.;
<br />:
<br />:.>:.;;:.;:>:.;;:.;::<.::.;:;:.;>:.;:.;:.;:.>:.;:.;:.>:.>:~>;:.;:
<br />:.;:.:::~~~:ly:,.~~..~~.(~.;::;~:.;:~. fi.':t. ~~3~.:..:
<br />:>:::.::::~ .:::::::::::::::.;:.:;;::::.~:::.:::::e•::.~::::..}:.
<br />.............................
<br />
<br />
<br />
<br />.::.:..::..~ :::.::.
<br />
<br />::>:>: ~Q: ~ s:
<br />~ . ~.3
<br />;:.;;;;:.;:.:.;:.;;:;?:.;:.;:.;:.;:.:~:.
<br />;:.:<.:~:::::::::::::::::::::::
<br />
<br />..::.::::::::::::::::::.::::
<br />
<br />
<br />
<br />Total Assessable Co
<br />st per lane mrle
<br />
<br />
<br />
<br />10 649 + 5
<br />$ 2,662 ]
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />3,311
<br />Intersection Costs (based on the linear foot unit costs and the average number of intersections per lane mile):
<br />
<br />D Cost per lane mile { excludin administration
<br />9
<br />and en ineerin costs ~ww
<br />
<br />
<br />,279 r; ~..;;.;:;::;:;;~:;:::;;;'"`,'y`'`}R ``'`~ "``2~~s:::>::::::::i:;:? ::::::::::::::::5:x::5 ::::::;:~:;:::::::::::;>::::::::::::::::
<br />'~~ perIana~n:tte,;:;:_;.,.;.:;;.:.;:; ~;:;.;;;;:.;.,,;;,;;;;;,;;,,;;,;
<br />... ..
<br />:.:::::>::>{,#lc~~€tn0:,;eng~q,~e~~~0tark~~~sfs:a~taz~::cbs#~::.;::;::; ::::;;;:;;:::..~~•..~::
<br />Traffic Signal Costs:
<br />D Signalized intersections in Eugene system 144 D Total # intersections with traffic signals 198
<br />~ Signalized intersections, joint with state system 54 ~ Eugene equivalent signals [ (54 / 2) + 144 ] 171
<br />D Percent signalized intersections per lane mile
<br />[ 171 / 404.121
<br />0.4231 ~ Adjusted signalized intersections per lane mile
<br />
<br />.u.~~:a....,..a..,.x...,.._r__~._._,
<br />he,i+h ~r~,A,.,+~,~,., r,~„ti ,r.
<br />_ 0.35
<br />
|