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.

For a fictional country.

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

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

Transportation area of a fictional country.

By Swamphen Publishing. Southern United States, primarily Florida.

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

Includes a few new facilities as well as others' renumbering.

Discusses renumbering all Interstate and U.S.-numbered routes as a single 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.