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Hi Morton, upward spill is easier to shield on LED luminaires than on the existing fittings. The light itself is way more intrusive, incl that of the currently available amber lights. This isn't about reducing LP, or even just maintaining the status quo, it's about taking the edge off the inevitable environmental impact that a cost driven decision is about to unleash. What sets Dunedin apart from many other towns is the fact that they are paying any attention at all to the potential impacts of poorly executed street lighting. And any lighting design that only considers cost and yield is poor in my book.
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