欢迎来到天天文库
浏览记录
ID:235927
大小:46.07 KB
页数:17页
时间:2017-07-11
《城市交通规划-毕业论文外文翻译》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、UrbantransportationPlanningAnurbantransportationsystemisbasiccomponentofanurbanarea'ssocial,economic,andphysicalstructure.Notonlydoesthedesignandperformanceofatransportationsystemprovideopportunitiesformobility,butoverthelongterm,itinfluencespatternsofgrowthandthel
2、evelofeconomicactivitythroughtheaccessibilityitprovidestoland.Planningforthedevelopmentormaintenanceoftheurbantransportationsystemisthusanimportantactivity,bothforpromotingtheefficientmovementofpeopleandgoodsinanurbanareaandformaintainingthestrongsupportiverolethat
3、transportationcanplayinattainingothercommunityobjectives.Thereareseveralbasicconceptsaboutanurbantransportationsystemthatshouldbekeptinmind.Mostimportant,atransportationsysteminanurbanareaisdefinedasconsistingofthefacilitiesandservicesthatallowtravelthroughoutthere
4、gion,providingopportunitiesfor:(I)mobilitytoresidentsofanurbanareaandmovementofgoodsand(2)accessibilitytoland.Giventhisdefinition,anurbantransportationsystemcanbefurthercharacterizedbythreemajorcomponents:thespatialconfigurationthatpermitstravelfromonelocationtoano
5、ther;thetransportationtechnologiesthatprovidethemeansofmovingoverthesedistances;andtheinstitutionalframeworkthatprovidesfortheplanning,construction,operation,andmaintenanceofsystemfacilities.TheSpatialConfigurationofaTransportationSystemOnewaytodescribethespatialdi
6、mensionofanurbantransportationsystemistoconsiderthecharacteristicsofindividualtripsfromanorigintoadestination.Forexample,atripcanconsistofseveraltypesofmovementundertakentoachievedifferentobjectives.Travelersleavinghomemightusealocalbussystemtoreachasuburbansubways
7、tation(atripcollectionprocess),proceedthroughthestationtothesubwayplatform(atransferprocess),ridethesubwaytoadowntownstation(aline-haulprocess),andwalktoaplaceofemployment(adistributionprocess).Similarly,onecanviewahome-to-worktripbycarasconsistingofsimilarsegments
8、,withthelocalstreetsystemprovidingthetripcollectionprocess,afreewayprovidingtheline-haulcapability,aparkinglotinthecentralbusinessdistrictserving
此文档下载收益归作者所有