Historic

Columbia River Highway
Scans of photos from a book and transcriptions of their captions of this highway in northern Oregon.
http://mryamamoto.50megs.com/columbia/columbia.htm

Dixie Highway
Guide to this eastern U.S. highway system of the early 1900s.
http://www.us-highways.com/dixiehwy.htm

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.
http://www.dixiehighway.org/

Drive the Old Spanish Trail
Contains history about and photographs of the former auto trail running along the southern tier of the U.S.
http://www.drivetheost.com/

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.
http://www.elcaminoreal.org/

A Few Ghostation and Ghostroad Pix
Description and photos of former US 80 through California and Arizona including the old plank road.
http://personal.riverusers.com/~fw/ghostroads/ghostroads.htm

Great Platte River Road Archway Monument
Structure built over I-80 in Nebraska, U.S., commemorating the old wagon trail. Virtual tour included.
http://www.archway.org/

Historic Auto Trails of Massachusetts
History and photographs from the ones in the western part of the state and nearby areas.
http://www.muddyriverpress.com/historicauto.html

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.
http://www.columbiariverhighway.com/

Indiana's Historic National Road
Covers that state's portion of the road from Illinois to Maryland, U.S. Includes history and attraction listing.
http://www.indiananationalroad.org/

Interregional Highways
Early plans for systems in the United States, some implemented, some not.
http://www.roadfan.com/intreg.html

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.
http://www.nationalroad.org/

New England Interstate Highways of the 1920s
Route log of the system that predated the U.S. highway system.
http://www.roadgeek.org/nehwys/

Old Spanish Trail Centennial
Organization involved in preparing the 2029 celebration of the auto trail. Includes history and travel log scans of the route.
http://www.oldspanishtrailcentennial.com/

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.
http://www.rreid.net/OldTrails/

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.
http://windycityroadwarrior.com/Stories/Pontiac_Trail.html

Oregon Trail: The Trail West
Detailed information about trail from Oregon to Missouri.
http://www.vlib.us/old_west/trails/othist.html

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.
http://members.tripod.com/~Ogden_Dunes/roads/

Roadsidephotos.sabr.org
Contains information about U.S. 66 and the Lincoln Highway, including maps.
http://roadsidephotos.sabr.org/

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).
http://www.route40.net/

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.
http://www.alincolnlearning.us/NationalTrailActivity.html

Travel the Bozeman Trail
A gold-rush trail cutting through the hunting grounds of the Northern Plains Indians in Montana and Wyoming, U.S.
http://www.bozemantrail.org/

Traveling the Dixie Highway in Michigan
Photographs with descriptions from the eastern branch of the highway.
http://www.rreini.com/dixiehwy-mi/dixiehwy-mich.htm

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.
http://www.cqql.net/us-27.htm

Via Egnatia
Ancient Roman Road through the Balkan Peninsula of Europe. Includes map, links, and news.
http://www.viaegnatia.net/

White Pole Road Development Corporation
Includes history of this Iowa, U.S., auto trail.
http://www.whitepoleroad.com/

The Yellowstone Trail
Guide to the old highway along the northern tier of the United States.
http://www.yellowstonetrail.org/