Savings from LED traffic signals exceed Guelph's expectations

"Guelph is starting the first city-wide replacement of LED traffic signal bulbs since they were installed in 2006, resulting in savings that city hall says have exceeded expectations. The city expected a four-year payback period from the LED traffic signal upgrades, but it saw a much shorter, two-year payback period and it continues to see operational savings every year" (Read more on Guelph Tribune)