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.

Traffic lights haven't changed much in the U.S. over the years. Cleveland debuted what is considered the first "municipal traffic control system" in 1914, historian Megan Kate Nelson wrote for ...

Researchers are exploring ways to use features in modern cars, such as GPS, to make traffic safer and more efficient. Eventually, the upgrades could do away entirely with the red, yellow and green ...

You must have seen traffic lights while coming and going on the road. It plays an important role in maintaining order on the road and in ensuring the safety of the people. The three colors (Traffic ...

The first "municipal traffic control system" appeared in Cleveland in 1914, according to Smithsonian Magazine. At first, there was just green and red, with the yellow light added a few years later.

Keltron proposes an AI-based system to dynamically adjust traffic signal timings in Kerala, aiming to reduce congestion and ...

Traffic lights haven’t changed much in the U.S. over the years. Cleveland debuted what is considered the first “municipal traffic control system” in 1914, historian Megan Kate Nelson wrote ...

Current lights could even suffice, say, by modifying them to flash red and green simultaneously to signal that driverless cars are in charge. The key would be making sure that it's universally ...

Smarter vehicles could mean some of the most dramatic changes for the traditional traffic signal since the yellow light was added more than a century ago.

Smarter vehicles could mean some of the most dramatic changes for the traditional traffic signal since the yellow light was added more than a century ago By JEFF McMURRAY The Associated Press ...