Abandoned Roads - Flickr
A group for geotagged photos of abandoned roads (and bridges).
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 International Heritage Center
Includes information about the El Camino Real de Tierra Adentro National Historic Trail, which traverses the country of Mexico and the U.S. state of New Mexico.
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.
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.
Old Spanish Trail Centennial
Organization involved in preparing the 2029 celebration of the auto trail. Includes history and travel log scans of the route.
Old Trails - US and Canadian Roads in the 20th Century
Contains various graphics and photographs of examples from the time period such as map covers, postcards, and signs.
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.
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).
The Yellowstone Trail
Guide to the old highway along the northern tier of the United States.
White Pole Road Development Corporation
Includes history of this Iowa, U.S., auto trail.