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LED traffic signal conversions

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SeanB~1:
Went down to a road yesterday, and saw that the last surviving halogen bulb traffic signals, dating from the 1970's  have had a retrofit to new LED signals. Complete signal changeout, using a fibreglass unit to replace the old integrated transformer cast aluminium units. Wish I had been there during the conversion, i would have asked for one of the old signal heads to save it from the scrapheap.

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