TIL since 2020, white LED streetlights have been turning purple because of a defect during the manufacturing process between 2017 and 2019. The yellow phosphor coating was delaminating, and the blue LED
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Why are some streetlights in Lawrence purple, and when will they be fixed? Answers here – The Lawrence Times
Some Abilene streetlights have turned purple. Here is Evergy's explanation for the color change. | News | abilene-rc.com
Why are some streetlights purple on Kansas City highways? | Kansas City Star
Why are street lights turning purple? News 40 investigates - WNKY News 40 Television
What's With Those Purple Streetlights in Fort Worth – NBC 5 Dallas-Fort Worth
Why some street lights on I-93 — and around Boston — are bright purple