Hard on the eyes': Defective streetlights on some Calgary roadways have drivers blue

Scores of streetlights along some of Calgary

Vision and the Challenges of Night Driving – Worth IL

Those colourful street lights aren't supposed to be blue or purple

How Calgary's Traffic Signals Work - Avenue Calgary

Alberta tow trucks operators allowed blue lights to ensure safety of operators

Why dozens of street lights on 2 major Calgary roads are turning blue (or purple)

Lights out: fallout from worldwide shortage impacting streetlight repair in Calgary - Calgary

Why dozens of street lights on 2 major Calgary roads are turning blue (or purple)

CAE signs deal to sell health care business to Madison Industries for $311 million

New traffic light is finally on its way - - Local news, Weather, Sports, Free Classifieds and Job Listings for High River, AB and southern Alberta

Light pollution - Wikipedia

Nationwide Failure of AEL Streetlights - Night Sky Santa Fe

Watch: Calgary driver off-roads in attempt to skip traffic

Doctors issue warning about LED streetlights

Purple street lights popping up in Phoenix part of bad batch

Why are some lights on Stoney magenta/blue? : r/Calgary