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My guess is that it's more a matter of cost. With LEDs, it's cheap to have a red arrow and a red circle. With incandescent lights, you cannot just illuminate pa
by HWR_14 5y ago
My guess is that it's more a matter of cost. With LEDs, it's cheap to have a red arrow and a red circle. With incandescent lights, you cannot just illuminate part of the red bulb to get an arrow.
- californical 5y agoExcept that none of the traffic lights that I’ve seen have ever used the same light for an arrow and circle — even with LEDs, it’s always two separate lights
- HWR_14 5y agoReally? That seems costly for no reason. I thought when I've seen it it's been the same light.