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.
Drive like a sheep, and you get stuck. Break some rules here and there for the good of traffic flow, and everyone benefits. A new traffic study by physicists at Sweden's Umea University found that while we're all taught to obey the traffic rules no matter what, doing so just makes for bottlenecks. Mix in some maverick drivers, however, and suddenly, logjams begin to ease as the percentage of drivers willing to pass on the right or zip past a pack of trundling cars on a two-lane actually help to