Why are street lights blue? Iowa DOT explains | weareiowa.com
Tattle Tale Lights: Have you noticed blue lights showing up in your area? | ABC4 Utah
What are those blue lights in Boulder on top of traffic lights?
New purple street lights? : r/LosAngeles
New streetlight feature prompts wild theories - so what is it?
Why streetlights on Milwaukee interstates, highways are purple
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
As use of LED street lights grows, so do concerns over 'blue light' - The Boston Globe
These bright purplish blue lights, almost like UV lights, have been popping up around my city(Tampa, FL). They are kind of spread out and dotted around here and there like 1 or
Why thousands of city street lights are turning purple | CBC News
What are those bulbs on top of street lights for? - Quora
What are those little things on top of street lights at an intersection? (Cameras, sensors, etc.) - Quora
Why are there blue lights on top of Dallas' streetlights by the Trinity River? Curious Texas sheds some light
False: Black objects on lampposts are not surveillance devices | by Joshua Lee | annie lab (we moved to https://annielab.org) | Medium
Why are streetlights in the Vegas Valley glowing purple?
What is with the new blue street lights? In no way can these be better than the white LED lights. : r/LosAngeles
What is the purpose of this streetlight with a strange blue / UV light in the middle of a housing estate in the UK? : r/HelpMeFind
The blue thing on top of a street light just outside my house. Some have them some dont. Never seems to light up or make a noise. Don't think it's a light
Driving You Crazy: What are those blue lights in Boulder on top of traffic lights? - YouTube
7 Things You Should Know About LED Street Light with Photocell - AGC Lighting
What are the blue things on your street lights? : r/Seattle
Blue street lights in my neighborhood apparently due to manufactures defects : r/mildlyinteresting
Blue streetlights in Spokane are manufacturer's defect; city investigating | The Spokesman-Review
What are these cylindrical things on top of some street lights? : r/phoenix
Brooklyn | Street light design, Street light, Street lamp
Why are there blue lights on top of Dallas' streetlights by the Trinity River? Curious Texas sheds some light
