Many drivers wonder if they should turn off their engines while waiting at red lights to save fuel. Research shows that turning off a warmed-up engine for stops lasting just 10 seconds or longer can ...

For more than 40 years, drivers in nearly every state have been allowed to turn right after stopping at a red light. The Energy Policy and Conservation Act of 1975 mandated that states allow the ...

Modern traffic light technology isn't just a simple sequence of red, yellow, and green. It's a complex detection system designed to manage traffic flow based on real-time demand. The very first "smart ...