Traffic congestion
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Traffic congestion is a condition on road networks that occurs as use increases, and is characterized by slower speeds, longer trip times, and increased vehicular queueing. The most common example is the physical use of roads by vehicles. When traffic demand is great enough that the interaction between vehicles slows the speed of the traffic stream, this results in some congestion. As demand approaches the capacity of a road (or of the intersections along the road), extreme traffic congestion sets in. When vehicles are fully stopped for periods of time, this is colloquially known as a traffic jam or traffic snarl-up.
See also
- Gridlock, total standstill of traffic
- Journal of Transport and Land Use
- Peak car
- Smeed's law
- Traffic flow, the mathematical study of traffic flows
- Transims
- Transportation demand management, operational solutions
- Transportation forecasting
- Traffic Message Channel (TMC)
- Three-phase traffic theory
- Traffic congestion: Reconstruction with Kerner’s three-phase theory
Unless indicated otherwise, the text in this article is either based on Wikipedia article "Traffic congestion" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on research by Jahsonic and friends. See Art and Popular Culture's copyright notice.
