| Fictional_Freeways By Steve. Includes NJ 55, I-895 Philadelphia, and multi-state route 777. |
| Fictional_Freeways By Adam Froehlig. Exit lists of Avenue of the Saints (I-37) and other corridors. |
| Fictional_Freeways By Swamphen Publishing. Southern United States, primarily Florida. |
| Fictional_Freeways From the site Western New York Roads. Examples cover most of the state. |
| 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. |
| Columbia_River_Highway Scans of photos from a book and transcriptions of their captions of this highway in northern Oregon. |
| Dixie_Highway Guide to this eastern U.S. highway system of the early 1900s. |
| The_Dixie_Highway_of_North_Georgia Tourism project for Cobb, Bartow, Gordon, Whitfield and Catoosa Counties in the U.S. state. Features history and maps. |
| Drive_the_Old_Spanish_Trail Contains history about and photographs of the former auto trail running along the southern tier of the U.S. |
| El_Camino_Real_de_Tierra_Adentro_National_Historic_Trail Management plans and interactive maps about this trail which traverses the country of Mexico and the U.S. state of New Mexico. |
| A_Few_Ghostation_and_Ghostroad_Pix Description and photos of former US 80 through California and Arizona including the old plank road. |
| Great_Platte_River_Road_Archway_Monument Structure built over I-80 in Nebraska, U.S., commemorating the old wagon trail. Virtual tour included. |
| Historic_Auto_Trails_of_Massachusetts History and photographs from the ones in the western part of the state and nearby areas. |
| Historic_Columbia_River_Highway Site covering the routing in Oregon, U.S. along the river in the general location of modern US 30 and Interstate 84. Includes activity information, pictures, postcards and ephemera scans. |
| Indiana\'s_Historic_National_Road Covers that state's portion of the road from Illinois to Maryland, U.S. Includes history and attraction listing. |
| Interregional_Highways Early plans for systems in the United States, some implemented, some not. |
| National_Road_Association_of_Illinois Organization focused on promoting the history of the first byway going west across America, currently known as U.S. Route 40. Includes history of the road, stories, membership details, and contacts. |
| New_England_Interstate_Highways_of_the_1920s Route log of the system that predated the U.S. highway system. |
| Old_Spanish_Trail_Centennial Organization involved in preparing the 2029 celebration of the auto trail. Includes history and travel log scans of the route. |
| On_the_Trail_of_the_Named_Highways_from_Chicago_to_the_Southwest Gives descriptions of these auto trails with specific mention of the Pontiac Trail. |
| Oregon_Trail__The_Trail_West Detailed information about trail from Oregon to Missouri. |
| Pete\'s_Road_Page Contains articles on Northwest Indiana, U.S., roads such as the Dunes Highway, the Chicago-Detroit Post Road, and the Lincoln Highway. Includes maps. |
| Roadsidephotos_sabr_org Contains information about U.S. 66 and the Lincoln Highway, including maps. |
| Route_40_-_National_Road Guide to the first federally-funded road in the U.S. (1800s) and the route which followed it later (US 40). |
| Travel_on_the_Old_National_Road Activity page containing articles and links regarding this U.S. road, now mostly US 40. Part of an educational website about Abraham Lincoln. |
| Travel_the_Bozeman_Trail A gold-rush trail cutting through the hunting grounds of the Northern Plains Indians in Montana and Wyoming, U.S. |
| Traveling_the_Dixie_Highway_in_Michigan Photographs with descriptions from the eastern branch of the highway. |
| US-27_in_Michigan Includes some historic photographs and details about this route's former routing in the state, now supplanted primarily by US-127 and Interstate 69. |
| Via_Egnatia Ancient Roman Road through the Balkan Peninsula of Europe. Includes map, links, and news. |
| White_Pole_Road_Development_Corporation Includes history of this Iowa, U.S., auto trail. |
| The_Yellowstone_Trail Guide to the old highway along the northern tier of the United States. |
| Appalachian_Trailplace Devoted to through hikers of the Appalachian Trail. Hikers' forum, online journals, directory of current thru-hikers, list archive, and shuttle database. |
| Berg-Diasammlung Photos of hikes and trekking tours in the alps and world-wide. |
| County_HighPointers Information on finding and hiking the US county high points. |
| DayHiker_com Site dedicated to "extreme" day hikes with interesting sights and terrain. Small collection of hikes with basic hiking tips, and a hiker's forum. |