Why streetlights on Milwaukee interstates, highways are purple

Streetlights Are Mysteriously Turning Purple. Here's Why

Years Ago, You Could Buy A Ford F-Series With A Manual Transmission, One Of The Other Greatest Truck Engines, And Get It In Purple: Holy Grails - The Autopian

Overpass hi-res stock photography and images - Alamy

LED mystery: Why are some county streetlights turning bright purple?

Why some street lights on I-93 — and around Boston — are bright purple - The Boston Globe

Work to begin in March to remove more purple streetlights on Milwaukee highways

Work to begin in March to remove more purple streetlights on Milwaukee highways

LED mystery: Why are some county streetlights turning bright purple?

Streetlights in Springfield are turning purple. Here's why.

Do you know why some Milwaukee highway and interstate lights are purple?

257 Milwaukee Wisconsin Night Stock Photos - Free & Royalty-Free Stock Photos from Dreamstime

Streetlights Turn Purple in Milwaukee – Exponent

LED mystery: Why are some county streetlights turning bright purple?