http://www.bidonusa.com/directory/templates/Default/img/logo.gifhttp://www.bidonusa.com/directory/http://www.bidonusa.com/directory/recreation/roads-and-highways/http://www.bidonusa.com/directory/recreation/roads-and-highways/cbrd-international-l10992.html"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.bidonusa.com/directory/recreation/roads-and-highways/description-of-the-world-s-road-numbering-systems-l10991.htmlMany details from nearly every country.http://www.bidonusa.com/directory/recreation/roads-and-highways/me-and-the-roads-l10990.htmlJava game involving road-building.http://www.bidonusa.com/directory/recreation/roads-and-highways/ratetheroads-com-l10989.htmlA guide for conditions of facilities as rated by website visitors.