Why some Winnipeg street lights are giving off a purple glow | CTV News
Feeling a little blue? You might be standing under a bad streetlight | MPR News
Duke Energy Wants to Repair Discolored Streetlights. But What If Residents Want to Keep Them? - INDY Week
Why are NC streetlights purple or blue? Duke Energy answers | Raleigh News & Observer
Purple and blue street lights in Cincinnati: What's causing them?
Why are street lights purple?
Carolina Curious: What's with the purple street lights?
Those blue lights on traffic signals help nab red-light runners | HeraldNet.com
Why are there blue lights on top of Dallas' streetlights by the Trinity River? Curious Texas sheds some light
About Those Purple Street Lights On The Roads (Have You Seen Them?) - Your Mileage May Vary
As use of LED street lights grows, so do concerns over 'blue light' - The Boston Globe
Why streetlights on Milwaukee interstates, highways are purple
Defect in LED streetlights causing purple glow | PHOTOS
Why Are There So Many Purple & Blue Streetlights In Charlotte? - Secret Charlotte
Blue Light Special: Colored Streetlamps Precede Decline in Crime - WebUrbanist
Olathe, Kansas looking a little blue? Defective street lights to blame
Blue LED Streetlights Keeping You Awake? | Hackaday
Why thousands of city street lights are turning purple | CBC News
Why do some cities have blue street lights? - Quora
Purple street lights in Tallahassee: Defect leads to distracted drivers
Why are Charlotte's streetlights turning purple? | WFAE 90.7 - Charlotte's NPR News Source
