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Stories about: critical density

Shear Heavy Traffic Alone Responsible for Bottlenecks! You're driving calmly towards home in your newly bought fancy ride and all of sudden disaster! Rush hour captures you again in its merciless claws. But if you were to go all the way to the front of the column of cars, you might notice something rather surprising. There is nothing holding back the flow of cars, n... 5 March 2008 08:51 GMT