The Only Upside Down Traffic Light In America (And Why It Exists)

Traffic lights are designed with red on top and green on bottom for a reason. However, one light in New York literally flips ...
GIGAZINE

Googleの赤信号の待ち時間を削減するプロジェクト「Green Light」で ...

GoogleはAIを利用して信号機の切り替わるタイミングを改善し、赤信号での待ち時間を削減するプロジェクト「Green Light」を進めています。すでにGreen Lightは世界中の複数の都市に導入されつつあるとのことで、その成果やコスト面のメリットについて日刊紙の ...
GIGAZINE

What is the reason why a 'fourth color' may be added to future traffic lights?

General automobile traffic lights have three colors of `` red, yellow, and blue (green) '', but research by Ali Hajbabaie et al., Associate Professor of Civil Engineering, Construction and ...
ZME Science

Engineers Propose a Fourth Traffic Light Meant for Intersections with Self-Driving Cars

That is the vision behind a radical new proposal from transportation engineers at North Carolina State University. They want ...
Jalopnik

The Potential Power Savings Of Expensive LED Traffic Lights May Be Worth It

LED signal lights generally carry a price tag several times higher than incandescent traffic signal bulbs. However, that hasn't stopped many cities from replacing their incandescent lights with LED ...