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.

1999 Republic of Chris Road Atlas
For a fictional country.

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

Central Connector Exit List
Would have connected downtown Orlando to the airport.

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

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

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.