Flagstaff's Starlit Skies Protected: Highway Lights Embrace Dark-Sky Friendly LEDs

The Arizona Department of Transportation has completed installation of amber LED highway lights in the Flagstaff area in support of both roadway safety and the city’s internationally recognized commitment to dark skies. The project, which started in May, allowed crews to install amber LED lights that replace more than 370 outdated high pressure sodium light fixtures used to illuminate highways under ADOT’s jurisdiction in the Flagstaff area. The project’s goal is to effectively reduce impacts on