Fictional

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

Fictional Freeways
By Adam Froehlig. Exit lists of Avenue of the Saints (I-37) and other corridors.
http://www.ajfroggie.com/roads/fictional/

Fictional Freeways
By Steve. Includes NJ 55, I-895 Philadelphia, and multi-state route 777.
http://www.angelfire.com/nj4/fictionalfreeways/

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

Fictional Transportation
Covers Connecticut, U.S.
http://www.nutmegroads.com/fictional/

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

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

Missouri Freeway Exit Lists
Includes various in the state.
http://www.mylandofmisery.com/roads/mo/mo-exits.htm

The Ultimate Interstate System
Provides an overview of what the system could look like in the future according to the webmaster. Includes exit listings for all primary routes.
http://www.geocities.com/ultimateinterstatesystem/

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