The Leonard P. Zakim Bunker Hill Bridge

Boston, Massachusetts, USA

By installing a new Philips Color Kinetics LED lighting system on the bridge, Massachusetts Department of Transportation is reducing energy consumption by more than 80% over the previously installed conventional lighting system.

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The Leonard P. Zakim Bunker Hill Bridge is one of the widest cable-stayed bridges in the world and serves as the northern entrance to and exit from Boston, Massachusetts. Massachusetts Department of Transportation (MassDOT) recently replaced the previous metal halide fixtures with an intelligent, color-changing LED lighting system from Philips Color Kinetics. Now, with just the push of a button, MassDOT can change the colors and intensity of the lights as well as display dynamic, color-changing light shows, while at the same time reducing energy consumption by more than 80% over the previously installed conventional lighting system. The project also utilized Philips Color Kinetics new IntelliPower technology enabling MassDOT to use the existing wiring and fixture mounting points on the bridge, saving them money on the installation costs of this new LED lighting system.