The US Highways that never were  
   By Robert V. Droz. Alignments for US 0, US A1A, US 39, US 47, US 88, US 100, and US 402. Also, there is a list of the US highway numbers still not used.
   http://www.us-highways.com/us0999.htm

1999 Republic of Chris Road Atlas  
   For a fictional country.
   http://www.geocities.com/TimesSquare/Portal/5551/rocara/atlas/atlas.html

James Republic Committee of Transportation  
   Transportation area of a fictional country.
   http://www.geocities.com/jamesrep/trans/comoftr.htm

Fictional Freeways  
   By Swamphen Publishing. Southern United States, primarily Florida.
   http://www.swamphen.net/roads/fic/

List of Fictional Interstates  
   Gives text exit listings for new U.S. Interstates and other routes as well as extensions of existing ones.
   http://www.geocities.com/mrwheels2005/mrwheelsfictionalinterstates.html

The Fantasy Page  
   Includes a few new facilities as well as others' renumbering.
   http://mryamamoto.50megs.com/fantasy/fantasy.htm