AARoads
   Private page covering numerous aspects.
   http://www.aaroads.com/

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.
   http://www.iijnet.or.jp/IHCC/index.html

Me and the Roads
   Java game involving road-building.
   http://www.kurumi.com/roads/matr/

Milebymile
   Route logs composed by tourist businesses located along the routes.
   http://www.milebymile.com/

Off Road Routes
   Downloadable tracks and lanes suitable for 4x4 vehicles documented with photographs, GPS, descriptions and distances, graded by difficulty.
   http://www.offroadroutes.net/

Should Cities Convert One-Way Streets to Two-Way?
   Commentary by Reason Public Policy Institute. Includes some history of one-way street creation.
   http://www.rppi.org/onewaystreets.html

Slashdot: Supercomputers Used to Study Urban Traffic
   A link to an article and discussion about the science of traffic.
   http://slashdot.org/article.pl?sid=99/08/05/1656256&mode=thread

Trafficware Software
   Download demo software for simulating intersections, traffic signals, and traffic flow.
   http://www.trafficware.com

Traffix
   Traffic simulation software demo.
   http://www.traffixonline.com

World Highways Magazine
   News on designing, construction, financing, maintaining and operating major roads worldwide.
   http://www.worldhighways.com/