A study of urban traffic based on the temporal maps: the case of Guangzhou City

(整期优先)网络出版时间:2008-03-13
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Temporalmapisanisochronalmaptakingtimeasameasuringunit.Ittracesouttheisochronesaccordingtothediscrepancyofthetimedistancebetweenthedifferentsitesfromtheoutsideofthecityandthedowntown.Itcanbeclearandintuitionaltoshowthedifferenttemporalrelationshipsbetweentheoutsideofthecityandthecitycentrewiththetemporalmap.Theproblemoftrafficcongestion,withitspotentialforurbanchaos,hasincreaseddramaticallywithagrowingnumberofvehiclesandthecontinuingaerialexpansionofGuangzhou.Bothtransitrid-ersanddriversfinditisagreatdifficultytotrytoacquirethenecessaryinformationfromurbanspatialmovements.Valuabletimeislostduetotheabsenceofgoodtransportationinformation.So,thepaperanalyzesacaseinGuang-zhoucommunicationwithGeographicInformationSystem(GIS),andusesthemostpopularvehicles,includingbusesandtaxisthatareusedtomeasurethetemporaldistanceinthecity,andthenproposesthedesignofanewmapthatbetterre?ectsthestatusofurbancommunication,andattemptstochangetherelationshipbetweenonepointandanotherpointoftravel,reducingtheamountoftimeallocatedtosuch,oftencomplex,movements.ThispaperalsopointsouttheobstaclesassociatedwithGuangzhou'sexistingtrafficcongestion,andputsforwardastrategyaimedatbetterdefiningtheneedoflinkingthetemporalmaptospatialmapofGuangzhou.