As an ordinary bottleneck, congestion can be reduced by either increasing road capacity, or by reducing traffic. Ahead in this paper, we will see different approaches to work these options around.
There is even a radio station up 24 hours a day, seven days a week dedicated entirely to update drivers on the current roads and routes conditions and advising on which routes they should use to speed their journeys.
Millions of ‘Paulistanos’ spend large parts of their days staring at the rear of the vehicle in front of them. In the city’s downtown, the huge volume of congestion is often made even worse, triggered by daily activities such as delivery trucks and parents taking their kids to the school, or by minor events (called "butterfly effects"), such as an abrupt steering maneuver by a single motorist.
According to a team of mathematicians from Massachusetts Institute of Technology, there is a model that describes the formation of "phantom jams," in which small variations in a heavy traffic such as a driver hitting the brake out of sudden can build up spontaneous and self-sustainable