Hauv kev hwm rau thawj qhov kev tswj hwm tsav tsheb tau teeb tsa hauv Asmeskas lub nroog ntawm Cleveland xyoo 1914, Thoob Ntiaj Teb Cov Teeb Nruab Hnub Nruab Nrab yog ua rau lub Yim Hli 5 txhua xyoo. Thawj lub teeb liab teeb liab yog ob-xim, lub teeb thib peb tshwm sim rau lawv tsuas yog xyoo 1920. Txij xyoo 1930, cov teeb liab teeb liab tau pib tshwm hauv cov nroog Lavxias, ua rau kev tsheb khiav ntawm txoj kev nyab xeeb dua thiab yooj yim dua.
Raws li txoj cai, ntau cov kev pabcuam thiab hnub so rau menyuam yaus tau ua sijhawm kom sib haum nrog International Day of Traffic Lights. Txog rau hnub no, cov menyuam yaus tau nco txog qhov kev xav tau ntawm txoj cai tsheb, qee tus menyuam yaus tau paub cov cuab yeej tseem ceeb no thawj zaug.
Xyoo no, hnub teeb pom kev zoo tau ua koob tsheej hauv ntau lub nroog hauv ntau lub teb chaws. Cov kev pabcuam lom zem thiab noog lus tau npaj rau cov menyuam yaus. Hauv kev ua yeeb yam, tus cwj pwm zoo nkauj, cov cim ntawm cov menyuam yaus ua yeeb yam, cov neeg tshaj tawm, thiab cov tub ceev xwm hauv tsheb tau qhia cov menyuam txog txoj cai ntawm kev thiab xav tau ua raws li lawv. Rau cov menyuam yaus, kev ua yeeb yam tau ua tiav ntawm daim ntawv ntawm cov lus dab neeg, thiab rau cov neeg laus, cov lus nug nrog cov lus nug txog kev paub ntawm cov cai tau nthuav.
Hauv ntau lub tsev kawm ntawv thiab cov tub ntxhais kawm qib siab hnub no koj tuaj yeem pom cov neeg taug kev hla kev ntawm txoj kev asphalt thiab cim rau ntawm txoj kev txo qis. Cov kev sib tw uas niaj zaus muaj nyob rau ntawm cov kev sib tw no ua rau cov menyuam yaus nco qab txog cov cai ntawm kev coj ntawm txoj kev.
Cov rooj nthuav qhia tau teeb tsa hauv qee lub nroog. Cov tub ntxhais kawm ntawm tsev kawm ntawv thiab menyuam yaus, nrog rau lawv niam thiab txiv, tau koom nrog kev sib tw txuj ci kev sib tw, thiab ntau lub teeb liab zoo nkauj rau hnub so.
Cov tub ceev xwm tsav tsheb feem ntau koom rau hauv cov hnub so tau mob siab rau International Day of Lights Lights. Ua tsaug rau lawv txoj cai, daim ntawv zoo nkauj, nkag siab txog qhov xwm txheej, lawv muaj qhov cuam tshuam zoo rau menyuam yaus thiab tuaj yeem teb cov lus nug. Hauv daim ntawv siv tau, cov neeg ua haujlwm pabcuam qhia cov menyuam yaus zaj dab neeg ntawm qhov pom ntawm lub teeb liab, cov lus pom tseeb thiab cov xwm txheej hais txog qhov muaj txiaj ntsig zoo.
Kev faib tawm cov ntawv xov xwm kev nyab xeeb kev tsheb tau dhau los ua qhov kev nquag ntawm International Traffic Light Day hauv cov nroog loj. Cov tub ntxhais kawm thiab cov menyuam yaus, hauv qab kev saib xyuas ntawm tub ceev xwm tsheb tub ceev xwm, tau muab daim ntawv qhia me me ntawm txoj kev rau ob tus neeg taug kev thiab tus tsav tsheb tib si.
