Transportation officials are installing new traffic lights nationwide that include a new feature they say will simplify left turns for drivers: flashing yellow arrows. But rather than have their intended effects, there are already reports the lights are creating confusion among drivers.
Anyone who's sat at a red light for minutes on end in the middle of the night when there's no cross traffic can cheer on science for proving what we already knew: lights that adapt to the flow of traffic, instead of dictating the flow of traffic, can improve the flow of traffic. A team of researchers discovered that if you let lights locally decide how to time their signals based on how much traffic they're dealing with, and then communicate that with nearby lights, you get closer to the "green
It seems most studies of amber lights focus on whether cities are using them to gather revenue. The theory – and let's face it, sometimes the fact – is that the light time is so short that drivers end up tripping the red light camera and getting a fine. Conversely, a new study by the University of Cincinnati and Ohio Department of Transportation has taken a look at how drivers behave when they encounter a yellow light no matter how long it's illuminated.
Traffic lights using state-of-the-art LED illumination use 90 percent less electricity, offer a much longer service life and are more durable than their incandescent counterparts. Taking advantage of the countless benefits, cities around the country have been replacing traditional filament-based traffic signal bulbs with LEDs for years. Unfortunately, the low-watt LED units burn much cooler than its white-hot counterpart making it unable to melt snow off weather exposed traffic fixtures.
Sometimes the best approach is the simplest, but that kind of attitude doesn't always fly in the high-tech haven that is Ferrari's headquarters in Maranello. Traditionally, one pit crew member would stand beside a Formula One car in the pit lane box holding a small sign on a long shaft to signal the driver when it was safe to drive out, but Scuderia Ferrari tried last year to replace the "lollipop" sign with an electronic system. A small box with lights, controlled by computer, was implemented i
As I spent several days in Los Angeles, CA last week I came to several realizations. First I never want to live there. While air quality has dramatically improved since the 1960s, the geography of the region means that it will never be as good as other places. Since the 1960s, California politicians and regulators have continually tightened emissions standards to the point where more than 99 percent of the pollution produced by cars and trucks in those days has been eliminated, and yet they want
The story of the Colorado man who got fined $50 for using a device to change traffic lights on his way to work from red to green has made its way around the internet already. As much fun as it is to read about the man’s eventual capture after two years of playing god in traffic, it’s more fun to watch this CNN video of townspeople pissed off that the guy got off virtually scott free. Hilarity also ensues watching the authorities explain how after fielding two years of complaints abou
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