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Lighting of public space is one of the big energy costs for cities. The article highlights ways that smart technologies are transforming the lit urban landscape. Of course switching to low-energy LED lighting is occurring all over the planet and is resulting in tremendous energy
savings. However, the use of lights in suburban roads just when needed creates a darker more natural world.
Smart technologies are also transforming traffic signaling. When connected to automobile and truck sensors, they can calculate how best to manage traffic with minimal stops. They can also communicate back to cars and trucks when the signal will change so speed can be regulated to save on gas. These technologies have the potential to save millions of gallons of gas in the next decade or two as the smart technology advances across the urban and suburban landscape.