Columbia River Highway
Scans of photos from a book and transcriptions of their captions of this highway in northern Oregon.
mryamamoto.50megs.com Details

Dixie Highway
Guide to this eastern U.S. highway system of the early 1900s.
www.us-highways.com Details

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

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.
www.elcaminoreal.org Details

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

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.
www.fhwa.dot.gov Details

Historic Auto Trails of Massachusetts
History and photographs from the ones in the western part of the state and nearby areas.
www.muddyriverpress.com Details

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.
www.columbiariverhighway.com Details

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