Route logs of and personal travel comments about various highways, primarily Interstates.

Covers the respective region of the country. Includes historic maps, planning documents and reports, and photos.

Compilation of lists specifically for motorcyclists who prefer scenic or winding routes.

Gallery of shields along roads with more than one route number.

Details on this division of the Transportation Research Board, a unit of the National Research Council.

Coalition to improve north-south transport in the West-Central part of the country. Maps, construction information, and contact information.

Includes various topics.

Much Northeast coverage. Also includes photos, map scans, and a log of Route 9's in the country.

Great detail on various at-grade long-distance routes.

Detailed personal travelogue.