Today's busy roadways need signal lights to keep traffic flowing and prevent accidents. Here's what the traffic light symbols ...

Tesla has issued a warning to Australian owners about driving their vehicles through tunnels with the cruise control system ...

Systems have been developed that control lights for whole cities and digital models of traffic flow have been honed to a fine art. The emergence of autonomous vehicles (AV) has introduced a new twist.

Traffic lights might see a fourth signal as self-driving cars become more practical. Getty Images/iStockphoto The researcher’s latest plans differ from a 2020 model of a four-light intersection ...

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 ...

Traffic lights along a 32-mile stretch of U.S. 1 will stay green longer when buses approach thanks to special devices that ...

Traffic lights are a quintessential part of our everyday lives—especially here in the United States. They play a critical role in controlling the flow of traffic, able to turn the spigot of ...

LEXINGTON — Lexington's automated traffic-light system, which became fully operational in November after 10 years of installation, is already being credited by town officials with having helped ...

Yellow light change intervals have a minimum duration of 3 seconds and a maximum duration of 6 seconds, according to the Manual of Uniform Traffic Control Devices.