- AboutVia - Uses a Yahoo/DMOZ format.
- Andy's Highway Kickoff Page - Large list with annotations.
- California Highways: Other Links - Links to resources covering many countries.
- Google Co-op Custom Search Engine - Road Search Engine - Searches within selected relevant sites.
- Nationwide Interstate Links - Connects to the respective Interstate portions of other websites.
- Roadfan Locator - Listing of people interested in the subject, with contact information. Organized by geographic area.
- Tony's Exit List Collection - Contains exit lists for all 2-digit and most 3-digit Interstates, sorted by state and/or city.
