Workers are replacing thousands of green and red light bulbs in traffic signals throughout the state with vivid, beaming light-emitting diode (LED) bulbs that are easier to see, especially in ...

The upgrades include backplates with a reflective border for improved visibility, an increased size of the LED signal lights, and new signal software for better intersection operation.

The classic traffic signal design was internationally recognized in 1931. The ubiquity of stop lights’ Red-Yellow-Green phases aren’t just coincidence—they’re actually codified in an ...

So what can you do with this data? Well, you can measure how efficiently traffic lights are operating. There are number of different goals signal engineers can examine — and optimize — in the ...

Hanover Borough will receive $328,120 towards comprehensive upgrades to traffic signals along the borough's busy Eisenhower Drive, PennDOT said.

New research shows that AI in cars might warrant a new, four-light traffic signal that is more efficient. Getty Images/iStockphoto Surely this will complicate the game of red light, green light ...

Green Light-Go grants are provided as reimbursement to municipalities for updates to improve the efficiency and operation of existing traffic signals, the release said.

Macomb County has launched a pilot project to install heating technology on certain traffic signals because LED lights don't produce enough heat to melt snow and ice to make them fully visible ...

The bright LED lights are mounted on the side of traffic poles and light up when the traffic signals going in that specific direction are red.

Google is analyzing data from its Maps app to suggest how cities can adjust traffic light timing to cut wait times and emissions. The company says it’s already cutting stops for millions of drivers.