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Signing System - Transport Department

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Most of the traffic signs and road markings are illustrated in this chapter. Circular Road Sign Circular signs give orders, Triangular Road Sign Triangular ... Youcanseemanydifferenttrafficsignsandroadmarkingsontheroads.Theygiveadvanceinformationaboutroadconditionsahead. Roadmarkingsalsogiveorders,warningorguidancetodriversandcyclists. Learnthemeaningofthesesignsandmarkingsandlookoutforthemwhenontheroad.Youwillnotthenbesurprisedbyabend,aone-wayroadorajunctionahead.Driversandcyclistsshouldbewellpreparedfortheroadconditionahead. Mostofthetrafficsignsandroadmarkingsareillustratedinthischapter. Circularsignsgiveorders Triangularsignsgivewarnings Rectangularsignsmostlygivedirectionsorinformation Thereareafewexceptionstotheshapeandcolourrules.Thesegiveprominencetocertainsigns,forexample,theoctagonal'Stop'signandtheinvertedtriangular'Giveway'sign. Signsthatgiveorders Trafficsignsthatgiveordersarecalled'Regulatorysigns'.Theyincludeallsignswhichgivenoticeofrequirements,prohibitionsorrestrictions.Theymaybeeithermandatoryorprohibitory. Regulatorysignsareusuallycircularinshapeandmaybesupplementedbyplatesbeneaththemaugmentingthemessagegivenbythesign. Aprohibitorysignmeansthatsomethingmustnotbedone.Itusuallyhasaredborder. Amandatorysignmeansthatsomethingmustbedone.Itisusuallyblueincolour. Signsthatgivewarning Thesesignsgivewarningofhazardsahead.Mostofthemaretriangular,withtheapexatthetop.Theyaresometimessupplementedbyrectangularplatesgivingadditionalinformationasmaybenecessary. Awarningsignwithsupplementaryplate Signsthatgiveinformation Thesesignsnormallygiveroadusersinformationorguidanceabouttherouteandaboutplacesandfacilitiesofparticularvalueorinterest.Mostinformatorysignsarerectangularinshapebutsignsgivingroutedirectionsatajunctionusuallyhaveoneendpointed. Advancedirectionsignsanddirectionsignsnormallyhaveabluebackgroundbutonexpressways,theyaregreen.Whenthesignsareforlocaldestinationsortemporarydiversions,theyhaveawhiteoryellowbackgroundrespectively. Variablemessagesigns Variablemessagesignsgivegeneralroadinformation,includingtrafficconditionsaheadandroadsafetymessages. Prismaticvariablemessagesignsareusedatapproachestotunnelsandmajorbridgestogiveinformationontemporarytrafficarrangementsfordiversionsduetoincidentsoradverseweather.   Journeytimeindicationsystem Thejourneytimeindicationsystemprovidesthejourneytimeinformationofdifferentroutesandassistyoutomakeaninformedroutechoicebeforearrivingatthecriticaldiversionpoints.Thedisplayeddigitsonthejourneytimeindicatorsareshowninthreecoloursfordifferenttrafficconditions:redrepresentscongestedtraffic,amberrepresentsslowtrafficandgreenrepresentssmoothtraffic.   Speedmappanels SpeedmappanelsystemsareinstalledintheNewTerritoriesatcriticaldiversionpointsofstrategicroutestoKowloontoprovidereal-timetrafficinformationandestimatedjourneytimes.Youcanmakeuseofthereal-timeinformationtochoosethemostappropriateroute.   Roadmarkings Roadmarkingsareaspecialtypeoftrafficsignswhicharemarkedonthesurfaceoftheroad.Liketrafficsigns,theycangiveorders,warningorinformation.Sometimestheyareusedwithtrafficsigns. SigningSystem

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