AboutVia
   Uses a Yahoo/DMOZ format.
   http://www.ugcs.caltech.edu/~jlin/links/

Andy's Highway Kickoff Page
   Large list with annotations.
   http://www.aaroads.com/kick-off/highway.html

California Highways: Other Links
   Links to resources covering many countries.
   http://www.cahighways.org/othlinks.html

Nationwide Interstate Links
   Connects to the respective Interstate portions of other websites.
   http://members.aol.com/utahhwys/intlinks.htm

Roadfan Locator
   Listing of people interested in the subject, with contact information. Organized by geographic area.
   http://www.roadfan.com/roadfan.html