Ekuqaleni kwenkulungwane ye-19, eYork City kuMbindi weNgilani, iimpahla ezibomvu neziluhlaza zazimela ubume obahlukeneyo babafazi. Phakathi kwazo, umfazi onxibe obomvu uthetha ukuba nditshatile, ngelixa umfazi onxibe eluhlaza engatshatanga. Kamva, iingozi zeenqwelo-mafutha zazidla ngokwenzeka phambi kwesakhiwo sepalamente eLondon, eNgilani, ngoko ke abantu baphefumlelwa ziimpahla ezibomvu neziluhlaza. Ngomhla we-10 kweyoMnga ngo-1868, ilungu lokuqala losapho lwezibane zesignali lazalelwa kwisikwere sesakhiwo sepalamente eLondon. Isikhundla sezibane esayilwa kwaye senziwa yi-mechanic de Hart yaseBritane ngelo xesha sasiziimitha ezi-7 ukuphakama, kwaye sasixhonywe nge-light yesithuthi ebomvu neGreen Lantern - igesi, eyayisizibane zokuqala zesignali esitalatweni sesixeko.
Emazantsi esibane, ipolisa elinepali ende latsala ibhanti ukuze litshintshe umbala wesibane ngokuthanda kwalo. Kamva, kwafakwa isibane segesi embindini wesibane sesignali, kwaye kwakukho iziqwenga ezibini zeglasi ebomvu neluhlaza phambi kwaso. Ngelishwa, isibane segesi, esasifumaneka iintsuku ezingama-23 kuphela, saqhuma ngequbuliso saza saphuma, sabulala ipolisa elalisemsebenzini.
Ukususela ngoko, izibane zendlela zesixeko ziye zavalwa. Kwakungekho de kwaba ngu-1914 apho iCleveland eMelika yakhokela ekubuyiseleni izibane zendlela, kodwa yayisele “isibane sesignali yombane”. Kamva, izibane zendlela zaphinda zavela kwizixeko ezifana neNew York neChicago.
Ngophuhliso lweendlela ezahlukeneyo zokuhamba kunye neemfuno zolawulo lwendlela, ukukhanya kokuqala kwe-tricolor (imiqondiso ebomvu, emthubi neluhlaza) kwazalwa ngo-1918. Yiprojektha enamacala amane ejikelezileyo enemibala emithathu, efakwe kwinqaba ekwiSitalato iFifth eNew York City. Ngenxa yokuzalwa kwayo, izithuthi zasezidolophini ziphuculwe kakhulu.
Umsunguli wesibane sesignali esimthubi nguHu ruding waseTshayina. Enomnqweno "wokusindisa ilizwe ngesayensi", waya eMelika ukuze aqhubeke nokufunda waza wasebenza njengomqeshwa weGeneral Electric Company yase-United States, apho uEdison, umsunguli omkhulu, wayengusihlalo. Ngenye imini, wema kwindawo exakekileyo elinde isibane sezibane eziluhlaza. Akubona isibane esibomvu kwaye sele eza kudlula, imoto ejikayo yadlula isandi esijikelezayo, esamoyikisa ngokubila okubandayo. Akubuyela kwigumbi lokulala, wacinga kaninzi, waza ekugqibeleni wacinga ngokongeza isibane sesignali esimthubi phakathi kwezibane ezibomvu neziluhlaza ukukhumbuza abantu ukuba banikele ingqalelo kwingozi. Ingcebiso yakhe yaqinisekiswa ngoko nangoko ngamaqela achaphazelekayo. Ke ngoko, izibane zesignali ezibomvu, ezimthubi neziluhlaza, njengosapho olupheleleyo lwesignali yomyalelo, zisasazeke kwihlabathi liphela kwicandelo lokuthuthwa komhlaba, ulwandle nomoya.
Izibane zendlela zokuqala eTshayina zavela kwisivumelwano saseBritane eShanghai ngo-1928. Ukususela kwibhanti yokuqala ephathwa ngesandla ukuya kulawulo lombane ngeminyaka yoo-1950, ukususela ekusebenziseni ulawulo lwekhompyutha ukuya ekujongeni ixesha le-elektroniki yanamhlanje, izibane zendlela bezihlala zihlaziywa, ziphuhliswa kwaye ziphuculwe kwisayensi nakwi-automation.
Ixesha lokuthumela: Julayi-01-2022
