Efficient traffic management in urban areas remains a significant challenge as vehicle density grows and infrastructure ...

Red and green traffic lights have been around since the 1800s, when British traffic officers used to rotate gas lamps that burned red and green to control the movement of mostly horse-drawn vehicles.

The traffic light in Syracuse, N.Y.'s Tipperary Hill has the green light on top. Irish residents thought red on top ...

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 ...

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.

Adding a fourth light to traffic signals -- in addition to red, green and yellow -- would shorten wait times at street corners for pedestrians, as well as improve traffic flow for both autonomous ...

Some things are so ubiquitous that it's easy to forget they're designed for a reason. With more than 300,000 traffic lights set up across the United States, it's easy to take how they look for granted ...

Many red lights fail to detect smaller vehicles like bikes and scooters due to sensor limitations. Inductive loops, common in traffic signals, rely on sufficient metal mass to register a vehicle.

Researchers at North Carolina State University (NC State) are advocating for a significant change in traffic management by proposing the addition of a fourth color to traffic lights: white. This new ...

Traffic lights across 32 intersections in Goleta will be getting upgrades to improve safety. Credit: Pricila Flores / Noozhawk photo Goleta is hoping to reduce vehicle collisions with its project to ...

Kota in Rajasthan has already entered the new phase of urban redesign. Instead of relying on electronic traffic lights, the city infrastructure is redesigned to let vehicles flow continuously, ...