I watched a YouTube video [0] this morning which actually does a fantastic job of explaining the pros and cons of LED-based traffic lights. Short answer: it's

I watched a YouTube video [0] this morning which actually does a fantastic job of explaining the pros and cons of LED-based traffic lights. Short answer: it's complicated. [0]: https://youtu.be/GiYO1TObNz8 https://youtu.be/GiYO1TObNz8