कब और कहां लगा दुनिया का पहला ट्रैफिक सिग्नल?

रास्ते पर चलते हुए लाल-हरी बत्ती वाले सिग्नल तो हम रोज़ देखते हैं

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क्या आपने कभी सोचा है कि इस सिग्नल की शुरुआत आखिर कहां से हुई होगी?

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दुनिया का पहला ट्रैफिक सिग्नल 10 दिसंबर, 1868 को लंदन के वेस्टमिंस्टर में लगा था

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ये बिजली से नहीं बल्कि गैस से चलाया जाता था, एक पुलिसकर्मी इसमें पाइप से गैस भरता था

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ट्रैफिक सिग्नल का आविष्कार ब्रिटिश रेलवे ट्रैफिक इंजीनियर जॉन पीक नाइट ने किया

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दुनिया का पहला बिजली से चलने वाला सिग्नल 5 अगस्त, 1914 में अमेरिका में लगा

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इस सिग्नल का आविष्कार मिशिगन के पुलिस अफसर विलियम ने किया था

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भारत में पहला ट्रैफिक सिग्नल चेन्नई में 1953 में लगाया गया था

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क्लिक

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