DETROIT (WWJ) -- Detroit Metropolitan Airport (DTW) announced this week that it will replace all 6,050 lighting fixtures in both of its parking structures and increase the number of fixtures by 19 ...

Many Milwaukee neighborhoods are getting street light upgrades. Thousands of lights will be converted to LED in the coming months. Residents can track what kind of lights are in their neighborhood – ...

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The orange glow of Calgary's old, high-pressure sodium bulbs is seen at left and the cooler white light of the new LED fixtures is seen at right. (City of Calgary) Calgary has finished replacing ...