Inadditiontoscientificcomputing,whenthetrafficlightslongsetaccordingtothetrafficconditions,roadwidthandlocation,tomix.Inthelargebusiness,school,easytoattractalargenumberofcars,forexample,peopleoftendo,willadjustmotorvehiclethepassageoftime,bigintersectionadjustmentfor20seconds,backstreetsadjustmentfor10seconds.Pedestriantrafficandweatherfactorssetreference.

　　"Theweatherisalsousedasareferencefactor?"Thereporterasked.Thetrafficlightandseasonal."XieBoexplainsthatlightsshouldundertakeadjustmentaccordingtotheseason.Summerweatherishot,inordertoletpedestrianspass,assoonaspossiblewillshortenappropriatelypedestrianscrossingthewaitingtime,andbecauselastsummer,willdelaythetrafficlightnighttrafficmode,openafter1a.m.

Andwinterfortrafficlightstimingadjustmentisquitehigh,congestionisseriousinwinter,shorttimeduringtheday,peopletravel,combinedwiththerainandsnowdays,trafficflowchangesveryfast,importantnodesandthemainroadtrafficlights,trafficpolicetoallocate2timesamonthonaverage,motorvehiclesextendedtimeatleast5seconds,sothatcanspeedupthepassageseventoeightcars.Inwinter,trafficlightsatnightmodeon11o'clockatnight.