Making the switch Not so long ago I was evangelizing about LED traffic signals. When they hit the market more than a decade ago, their new technology represented a quantum leap forward in performance compared to incumbent technology. Not only did LEDs promise six or seven times the life span of incandescent bulbs, they also gave municipalities an opportunity to dramatically reduce energy consumption with a lower-wattage solution. This combination of maintenance and energy savings added up to a huge win for organizations looking to maximize return on investment for traffic signal upgrades.
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