Who: a team of mathematicians from the Universities of Exeter, Bristol and Budapest.
What: they have solved the mystery of traffic jams.
Where: USA.
When: December 19th, 2007.
http://www.sciencedaily.com/releases/2007/12/071219103102.htm
I think that traffic jams mostly happen in big cities where the population is larger. Also, around certain times of the year such as holidays and new year's. Trucks and buses may take longer to move, which can contribute to traffic jams too. One car may lead to a traffic jam for many miles behind it.
Dr Orosz explains, "When you tap your brake, the traffic may come to a full stand-still several miles behind you. It really matters how hard you brake - a slight braking from a driver who has identified a problem early will allow the traffic flow to remain smooth. Heavier braking, usually caused by a driver reacting late to a problem, can affect traffic flow for many miles."
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2 comments:
K.L was here
hey!!
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