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Why are street lights on all night?

I found that the street lights are actually on all night. But in the middle of the night, there are barely any cars or passengers. Doesn’t it waste the energy?

Street Light
September 20, 2023

Jacob Jones

Bachelor's degrees in electronic engineering. Skilled in designing LED electronic components, products, and systems, developing and testing prototypes, troubleshooting, and debugging. 8+ years of extensive experience in the electrical and electronic manufacturing industry. Reach Me Now>>

Jacob Jones

Ensuring safety on the roads: Even at night, there are still some cars on the road, so sufficient lighting is necessary.
Ensuring the safety of citizens: Some citizens may go out at night; if the street is dark, they cannot notice if there is any danger on their way.
Providing light to workers: Some workers need to work at night, such as the patrol officers. They need light to finish their tasks.

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