Urban planners in Vienna, Austria, installed their first smart traffic lights specifically designed to increase pedestrian safety in 2018. After years of analysis and improvement, the Graz ...

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 ...

Horsepower already holds local traffic-light contracts and was part of a 2016 county pilot project that installed smart-signal equipment on some Miami-Dade corridors.