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Author Topic: Traffic Jam Mystery Solved By Mathematicians  (Read 2564 times)
RandallS
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« Topic Start: December 19, 2007, 09:03:37 pm »

I've had this happen many times and have always wondered why. Now I know.

"Mathematicians from the University of Exeter have solved the mystery of traffic jams by developing a model to show how major delays occur on our roads, with no apparent cause. Many traffic jams leave drivers baffled as they finally reach the end of a tail-back to find no visible cause for their delay."

http://www.sciencedaily.com/releases/2007/12/071219103102.htm
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Juniper
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« Reply #1: December 19, 2007, 09:08:41 pm »

I've had this happen many times and have always wondered why. Now I know.

"Mathematicians from the University of Exeter have solved the mystery of traffic jams by developing a model to show how major delays occur on our roads, with no apparent cause. Many traffic jams leave drivers baffled as they finally reach the end of a tail-back to find no visible cause for their delay."

Lol, that's unbelievable. From the article:

>"Heavier braking, usually caused by a driver reacting late to a problem, can affect traffic flow for many miles."<

Who would have guessed? It's almost like the butterfly effect.
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« Reply #2: December 20, 2007, 07:19:02 am »

Lol, that's unbelievable. From the article:

>"Heavier braking, usually caused by a driver reacting late to a problem, can affect traffic flow for many miles."<

Who would have guessed? It's almost like the butterfly effect.

I didn't have to guess, I've been watching it happen for years as a professional driver. Wink  Interstate 575 north of Atlanta is seven lanes each direction, and will come to a complete stop for no reason what so ever.

If you go back to that article and follow the link "If All Drivers Were Polite..." you will see a solution to the problem; don't stop to merge!

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"I've seen knights in armor panic at the first hint of battle.  And I've seen the lowliest unarmed squire pull a spear from his own body to defend a dying horse." - Kevin Costner as Robin of Loxley, Robin Hood; Prince of Thieves.
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« Reply #3: December 20, 2007, 07:45:56 am »

I've had this happen many times and have always wondered why. Now I know.
"Mathematicians from the University of Exeter have solved the mystery of traffic jams by developing a model to show how major delays occur on our roads, with no apparent cause. Many traffic jams leave drivers baffled as they finally reach the end of a tail-back to find no visible cause for their delay."
http://www.sciencedaily.com/releases/2007/12/071219103102.htm

Very logical cause.

But even so, knowing the cause doesn't help with the fustration.  Grin
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WarHorse
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« Reply #4: December 20, 2007, 12:44:44 pm »

But even so, knowing the cause doesn't help with the fustration.  Grin

When I drove dump trucks, I kept asking the dispatcher if I could mount a heavy machine gun on the front.

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"I've seen knights in armor panic at the first hint of battle.  And I've seen the lowliest unarmed squire pull a spear from his own body to defend a dying horse." - Kevin Costner as Robin of Loxley, Robin Hood; Prince of Thieves.
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« Reply #5: December 20, 2007, 02:03:01 pm »

When I drove dump trucks, I kept asking the dispatcher if I could mount a heavy machine gun on the front.

What was the answer? "I don't think so. Not today"?
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« Reply #6: December 20, 2007, 10:53:07 pm »

What was the answer? "I don't think so. Not today"?

I think it was more along the lines of insurance premiums. Grin

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"I've seen knights in armor panic at the first hint of battle.  And I've seen the lowliest unarmed squire pull a spear from his own body to defend a dying horse." - Kevin Costner as Robin of Loxley, Robin Hood; Prince of Thieves.

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