Travel the Bozeman Trail A gold-rush trail cutting through the hunting grounds of the Northern Plains Indians in Montana and Wyoming, U.S.
Dixie Highway Guide to this eastern U.S. highway system of the early 1900s.
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).
Highway History United States Federal Highway Administration page with a collection of various auto trail, U.S. highway, and Interstates histories, some from older FHWA publications, as well as other related information.
The Yellowstone Trail Guide to the old highway along the northern tier of the United States.
Interregional Highways Early plans for systems in the United States, some implemented, some not.
North American Auto Trails Catalog of auto trails from the United States and Canada in the 1910s and 1920s; includes route markers and current numbers.
Columbia River Highway Scans of photos from a book and transcriptions of their captions of this highway in northern Oregon.
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.
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.
Roadsidephotos.sabr.org Contains information about U.S. 66 and the Lincoln Highway, including maps.
Via Egnatia Ancient Roman Road through the Balkan Peninsula of Europe. Includes map, links, and news.
Old Spanish Trail Centennial Organization involved in preparing the 2029 celebration of the auto trail. Includes history and travel log scans of the route.
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.
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.
