The Potential Power Savings Of Expensive LED Traffic Lights May Be Worth It

Many cities are replacing their incandescent traffic lights with LEDs, despite the higher initial cost. Here's why that's ...
WiscNews

LED traffic lights' efficiency also means snow will stick

Portage is among several cities across the country that has discovered high-efficiency traffic lights are a hazard in a snowstorm. Many communities, including Portage, have switched to LED bulbs in ...
The Vindicator

Lighting the way to savings

NILES — The city will be replacing more than 260 street lights with LED fixtures in the coming months. Mayor Steve Mientkiewicz said the city has been replacing the old, high-pressure sodium bulbs ...
SlashGear

Here's How Traffic Lights Actually Work, And How They Detect Your Car

The concept of the traffic light actually dates all the way back to the 1860s, where gas-lit signals were placed on the posh streets that lined the Houses of Parliament in London. Of course, back then ...