दुनिया में पहली बार ट्रॉफिक लाइट कहां पर लगाई गई थी

आपने चौराहें पर ट्रॉफिक लाइट लगे हुए देखा होगा.

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ट्रॉफिक को नियंत्रित रखने के लिए सड़कों के चौराहों पर ट्रॉफिक लाइट लगाई जाती है.

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लेकिन क्या आप जानते हैं पहली बार ट्रॉफिक लाइट का इस्तेमाल कब और कहां किया गया था.

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आइए जानते हैं इसके बारें में

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5 अगस्त 1914 को अमेरिका के क्लीवलैंड में दुनिया का पहला इलेक्ट्रिक लाइट लगाया गया था.

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ट्राफिक लाइट में लाल, हरे रंग के साथ एक बजर दिया गया था जो संकेत बदलने से पहले निर्देश संकेत देता था.

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शुरुआत में ट्राफिक लाइट में केवल दो रंग ही जोड़े गए थे. साल 1920 में इसमें पीला रंग भी जोड़ा गया.

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भारत में पहली बार चेन्नई में साल 1953 में इलेक्ट्रिक ट्राफिक लाइट का इस्तेमाल किया गया था.

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