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