Fictional

The Fantasy Page - Includes a few new facilities as well as others' renumbering.

Fictional Freeways - By Adam Froehlig. Exit lists of Avenue of the Saints (I-37) and other corridors.

Fictional Freeways - By Steve. Includes NJ 55, I-895 Philadelphia, and multi-state route 777.

Fictional Freeways - By Swamphen Publishing. Southern United States, primarily Florida.

Fictional Transportation - Covers Connecticut, U.S.

James Republic Committee of Transportation - Transportation area of a fictional country.

List of Fictional Interstates - Gives text exit listings for new U.S. Interstates and other routes as well as extensions of existing ones.

Missouri Freeway Exit Lists - Includes various in the state.

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.

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.