Arcata & Mad River Transit System
- Unofficial site offering schedules, fare information, and a route map.
- http://www.humboldt.edu/~nvk2/bus/

Green Wheels of Humboldt State University
- Promoting walking, biking, carpooling, and bus use through Car Free Day, events, bus greetings, letter writing, information campaigns and an email listserve. Offers many links to rideshare and carpool sites for getting to, out of, and around Humboldt Cou
- http://www.humboldt.edu/~alttrans/