簡(jiǎn)介:3500英文單詞,英文單詞,19500英文字符,中文英文字符,中文6000字文獻(xiàn)出處文獻(xiàn)出處ACKAAHWEXPLORINGTHEUSEOFADVANCEDTRAFFICINFORMATIONSYSTEMTOMANAGETRAFFICCONGESTIONINDEVELOPINGCOUNTRIESJSCIENTIFICAFRICAN,2019E00079EXPLORINGTHEUSEOFADVANCEDTRAFFICINFORMATIONSYSTEMTOMANAGETRAFFICCONGESTIONINDEVELOPINGCOUNTRIESWILLIAMSACKAAHABSTRACTPRESENTLY,ADVANCEDTRAVELERINFORMATIONSYSTEMATISISEXTENSIVELYUSEDELSEWHEREANDISREGARDEDASANIMPORTANTCOMPONENTFORROADTRAFFICCONTROLANDMANAGEMENTATISUSESINFORMATIONANDCOMMUNICATIONTECHNOLOGYTOBROADCASTTRAVELERINFORMATIONTOCOMMUTERSTOHELPTHEMINSCHEDULINGTHEIRTRIPSANDALSOOFFERDIRECTIONSONTHEWAYINFORMATIONPROVIDEDBYATISMAYINCLUDETRAFFICCONDITIONWHICHMAYBEPRESENTEDINQUEUELENGTH,TRAVELTIME,ORDELAY,INCIDENTSSUCHASROADTRAFFICCRASHANDTHEIRGEOGRAPHICALLOCATIONS,EVENTSSUCHASROADCONSTRUCTIONANDDEMONSTRATIONS,OPTIMALROUTES,ANDINCLEMENTWEATHERWHICHMAYDISRUPTTRAFFICTHETRAFFICINFORMATIONMAYBETRANSMITTEDVIAMECHANISMSSUCHASRADIOANDTELEVISION,DYNAMICNAVIGATIONSYSTEMSINVEHICLEORMOUNTED,INTERNETSERVICES,SMARTPHONESERVICESEGSPECIALLYDESIGNEDAPPLICATIONANDVARIABLESPEEDLIMITORCHANGEABLEMESSAGESIGNSSYSTEMSPROVIDINGCOMMUTERSWITHACCURATE,TIMELYANDRELIABLETRAFFICINFORMATIONWILLINFLUENCETRAVELBEHAVIORANDULTIMATELYRESULTINREDUCEDTRAVELTIMEANDTRAFFICCONGESTIONALONGWITHREDUCEDVEHICLEEMISSIONSANDFUELCONSUMPTIONNOTWITHSTANDINGTHEBENEFITSWHICHCANBEDERIVEDFROMUSINGINTELLIGENTTRANSPORTSYSTEMSTOMANAGETRAFFIC,ITSUSECANBEDESCRIBEDASBEINGINTHEBASICSTAGEINMOSTDEVELOPINGCOUNTRIESTHISPAPERDISCUSSESHOWATISCANPLAYAVITALROLEOFEFFORTSTOREDUCETRAFFICCONGESTIONINEMERGINGNATIONSKEYWORDSTRAFFICINFORMATION;TRAFFICMANAGEMENT;CONGESTION;FLOATINGCARDATA;DEVELOPINGCOUNTRIESINTRODUCTIONROADTRAFFICCONGESTIONINMOSTCITIESINDEVELOPINGCOUNTRIESKEEPSONINCREASINGBECAUSETHENUMBEROFPEOPLEOWNINGCARSKEEPINCREASINGCONGESTIONMAYOCCURWHENTHEREAREMOREVEHICLESTHANTHEROADCANACCOMMODATEDEMANDSUPPLYITMAYALSOBECAUSEDBYABOTTLENECKEG,MERGINGORWEAVINGAREAS,ONRAMPS,ROADTRAFFICCRASHES,ANDCONSTRUCTIONWORKSONASECTIONOFTHEROADWAYCONGESTIONISUNDESIRABLEANDMAYCAUSEDELAY,ENVIRONMENTALPOLLUTION,NOISEANDEVENFRUSTRATEMOTORISTSANDCOMMUTERSWHICHALSOHAVEHEALTHIMPLICATIONSITMAYALSOLEADTOROADTRAFFICCRASHESANDDEGRADATIONOFTHEROADINFRASTRUCTUREWHEREASCONGESTIONCAUSEDBYBOTTLENECKSCANBERESOLVEDBYSIMPLYREMOVINGTHEBOTTLENECK,CONGESTIONRESULTINGFROMCAPACITYPROBLEMAREMORECHALLENGINGTODEALWITHTRADITIONALATTEMPTSTODEALWITHTHEISSUEHAVEFOCUSEDONBUILDINGNEWROADSANDEXPANDINGEXISTINGONESMEANWHILE,THECEASELESSINCREASEINDEMANDFORMOBILITYHASALSOMEANTTHATTRAFFICKEEPSONINCREASINGBUDGETARYCONSTRAINTSANDSPACEMAKEITPRACTICALLYUNFEASIBLETOEXPANDTHEROADINFRASTRUCTUREEVERYTIMETOCATERFORTHEGROWINGTRAFFICDEMAND,ANDITISNOWNOTCONSIDEREDASAVIABLEOPTIONEXPANSIONOFEXISTINGORCONSTRUCTIONOFNEWROADSDOESNOTHAVEONLYFINANCIALBURDENONTHEGOVERNMENT,BUTALSOSOCIALIMPACTONTHECOMMUNITYDISPLACEMENTANDRESETTLEMENTOFTHEAFFECTEDRESIDENTS,RELOCATIONOFBUSINESSESANDCOMMUNITYSERVICESEG,PARKSANDCHURCHESMAYHAVESOCIALANDPSYCHOLOGICALIMPACTSDUETOTHEDISRUPTIONOFSOCIALRELATIONSHIP,ANDESTABLISHINGRELATIONSHIPSINANEWSOCIALENVIRONMENT1,2STUDIESHAVECHANGEABLEMESSAGESIGNS,ETCINTHELITERATUREUSEDYNAMICSPEEDLIMITSTOCONTROLTRAFFICBASEDONTHEPREVAILINGTRAFFICCONDITION2,14,15,16FURTHERTOTHESPEEDLIMITS,SOMEVSLSYSTEMSMAYDISPLAYINFORMATIONSIGNSWHICHPROVIDEWARNINGONPOTENTIALLYDANGEROUSCONDITIONSONTHEWAYOTHERINFORMATIONSUCHASCONSTRUCTIONWORKS,DELAY,TRAVELTIME,ANDROUTEGUIDANCECOULDALSOBESHOWNBYAVSLSYSTEMTHEVSLCONTROLDEVICE,WHICHISMOSTLYINSTALLEDONOVERHEADGANTRIESACROSSTHECARRIAGEWAY,MAYALSOIMPLEMENTDYNAMICTRUCKRESTRICTIONSWHICHREQUIREHEAVYGOODSVEHICLESNOTTOOVERTAKEORUSEDESIGNATEDLANESDURINGPEAKPERIODSFIG1SHOWSANEXAMPLEOFVARIABLESPEEDLIMITORCHANGEABLEMESSAGESIGNSSYSTEMINGERMANYDYNAMICNAVIGATIONSYSTEMSINVEHICLEORMOUNTEDNAVIGATIONDEVICESAREALSOUSEDTOPROVIDEMOTORISTSSTATICORDYNAMICROUTEGUIDANCESTATICROUTEGUIDANCEISCONCERNEDWITHPROVIDINGNAVIGATIONALASSISTANCETOMOTORISTSWHOMAYBEUNFAMILIARWITHAROADNETWORKAGEOGRAPHICALDATABASEOFTHEROADNETWORKANDITSCHARACTERISTICSSUCHASSPEEDLIMITS,DISTANCES,ANDROADCLASSISREQUIREDHERE,THETRAFFICSITUATIONISNOTTAKENINTOCONSIDERATIONROUTINGISMAINLYDEPENDENTONTHESHORTESTORDIRECTTRAVELTIMEPATHTOTHEDESTINATIONDYNAMICNAVIGATIONALSYSTEMS,ONTHEOTHERHAND,TAKEINTOCONSIDERATION,THETRAFFICSITUATIONINDECIDINGTHEMINIMALTIMEROUTEINFORMATIONONTHEPREVAILINGTRAFFICCONDITIONISUPDATEDINREALTIMEDYNAMICROUTEGUIDANCESYSTEMISSEENASEFFICIENTWAYOFMANAGINGNETWORKTRAFFICFIG1EXAMPLEOFVARIABLESPEEDLIMITORCHANGEABLEMESSAGESIGNSSYSTEMINGERMANY
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上傳時(shí)間:2024-03-11
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