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The science of traffic jams
Written By mcadambi - 27 September, 2008
Traffic Bangalore Infrastructure Roads Media Reports
Good and informative article from 'The Economist' http://www.economist.com/opinion/displaystory.cfm?story_id=12202559 "Hyejin Youn and Hawoong Jeong, of the Korea Advanced Institute of Science and Technology, and Michael Gastner, of the Santa Fe Institute, analysed the effects of drivers taking different routes on journeys in Boston, New York and London. Their study, to be published in a forthcoming edition of Physical Review Letters, found that when individual drivers each try to choose the quickest route it can cause delays for others and even increase hold-ups in the entire road network. [...] Modifying the road network could reduce delays. And contrary to popular belief, a simple way to do that might be to close certain roads. This is known as Braess’s paradox, after another mathematician, Dietrich Braess, who found that adding extra capacity to a network can sometimes reduce its overall efficiency."
COMMENTS
picture from LA - 19 lanes bumper to bumper
silkboard - 28 September, 2008 - 14:20
Picture is courtesy transfuture.net. Thought it fits here, 19 lanes of bumper to bumper traffic on a freeway (aka expressway, motorway etc) near LA during Memorial day weekend. I have been in these several times few years ago, over-dependence on private transport in Americal is something that has to be seen to be believed.
[flickr-photo:id=2593195278,size=-]
Pic sourced from csmith @ flickr
mcadambi - 27 September, 2008 - 09:18
When Urban Freeway designs fail
asj - 27 September, 2008 - 20:06
The smog part of the picture (hiding the city skyline) did look suspicious to me (looks too dramatic to be true). Got the pic via an email which also had the 19 lane thing. Posted under excitement, will remove if folks object.
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