New Hampshire School Transportation Association
- Trade association for private bus contractors that provide transportation to the state's school children.
- http://www.nhsta.org/

New Hampshire Dept. of Transportation - 511 Traveler Information
- Provides real-time traffic and road condition updates via website and telephone. Covers northern New England area.
- http://www.nh.gov/dot/511/

New Hampshire Rideshare
- Statewide commuter ride matching carpool program. Includes background information, application form, Park and Ride locations, and commuting cost calculator.
- http://www.nh.gov/dot/nhrideshare/

New Hampshire Good Roads Association
- Promotes the development of a safe and efficient highway transportation system in the state. Event listings, membership information, board of directors, and contacts.
- http://www.nhgoodroads.org/