Description of the World's Road Numbering Systems  top site
Many details from nearly every country.
www.geocities.com/marcelmonterie/index3.htm • info (alexa) • archivio
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AARoads 
Private page covering numerous aspects.
www.aaroads.com/ • info (alexa) • archivio
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IHCC Web Library 
International Highway Construction Corporation, supporters of a highway system connecting most of the world which would include a Bering Strait bridge and Japan-South Korea tunnel.
www.iijnet.or.jp/IHCC/index.html • info (alexa) • archivio
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Me and the Roads 
Java game involving road-building.
www.kurumi.com/roads/matr/ • info (alexa) • archivio
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Milebymile 
Route logs composed by tourist businesses located along the routes.
www.milebymile.com/ • info (alexa) • archivio
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Off Road Routes 
Downloadable tracks and lanes suitable for 4x4 vehicles documented with photographs, GPS, descriptions and distances, graded by difficulty.
www.offroadroutes.net/ • info (alexa) • archivio
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Should Cities Convert One-Way Streets to Two-Way? 
Commentary by Reason Public Policy Institute. Includes some history of one-way street creation.
www.rppi.org/onewaystreets.html • info (alexa) • archivio
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Slashdot: Supercomputers Used to Study Urban Traffic 
A link to an article and discussion about the science of traffic.
slashdot.org/article.pl?sid=99/08/05/1656256&mode=... • info (alexa) • archivio
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Trafficware Software 
Download demo software for simulating intersections, traffic signals, and traffic flow.
www.trafficware.com • info (alexa) • archivio
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Traffix 
Traffic simulation software demo.
www.traffixonline.com • info (alexa) • archivio
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World Highways Magazine 
News on designing, construction, financing, maintaining and operating major roads worldwide.
www.worldhighways.com/ • info (alexa) • archivio
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