Me and the Roads 
Java game involving road-building.
http://www.kurumi.com/roads/matr/Description of the World's Road Numbering Systems
Many details from nearly every country.
http://www.geocities.com/marcelmonterie/index3.htm
Ratetheroads.com
A guide for conditions of facilities as rated by website visitors.
http://www.ratetheroads.com/
CBRD - International
Page from Chris's British Road Directory illustrating the differences between roads in Great Britain and those in Andorra, Australia, Cuba, France, Iceland, Italy, Ireland, Mexico, Pakistan, Spain, and the United States.
http://www.cbrd.co.uk/reference/international/
Trans Global Highway
Proposal by a private citizen to construct a global railroad and vehicle highway around the world including a tunnel under the Bering Strait from the United States to Russia, from Sakhalin in Russia to Hokkaido in Japan, and from Spain to Africa. Includes maps.
http://www.didik.com/highway/
Jonathan's Photographs
Culled from various trips around the world.
http://winklers-roads.fotopic.net/
Mark Furqueron's Highway Page
Includes views mostly from the American West, predominantly California, as well as Asia and Europe. Includes pages on removed vintage signage.
http://members.cox.net/mkpl/road.html
Worldwide Highway Library
Covers North America (primarily the Western U.S.), Asia and western Europe.
http://worldwide-hwys.calrog.com
WRX900
Covers road trips in the United States, as well as various places in Germany and Israel.
http://www.wrx900.com/
SABRE Photo Gallery
Contains examples from multiple continents, notably of Great Britain and Ireland.
http://www.sabre-roads.org.uk/gallery/
Mike's Railroad Crossing Website
Covers the United States, Canada, the United Kingdom, and Australia. Also includes picture-taking guide, links, and FAQ.
http://www.rxrsignals.net
