Puget Sound Transportation Projects
- Covers various examples in the region. Includes photographs.
- http://www.sireneinternet.net/pstran/

People's Waterfront Coalition
- Association of organizations and private citizens who want to prevent the construction of a new facility in downtown Seattle. Includes in-depth analysis.
- http://www.peopleswaterfront.org/

BetterBridge.org
- Website by two designers of a proposed replacement of the State Route 520 Evergreen Point Bridge in the Seattle vicinity. Includes diagrams and press coverage.
- http://www.betterbridge.org/

Northwest Highways
- Information and photos on roads in Washington, Oregon, Idaho, and northern California.
- http://nwhighways.amhosting.net/

Highways in Washington State
- Basic route log.
- http://home.earthlink.net/~duyzend/

Washington State Department of Transportation
- Official site. Includes traffic flow maps and cameras, mountain pass reports, ferry and train schedules, emergency highway closures, construction updates, and major project information.
- http://www.wsdot.wa.gov/

Seattle Area Transportation
- Information on community transit, Metro online, van- and carpooling, bicycling programs, speed traps, Department of Transportation, and ferry services.
- http://www.oz.net/~ddmonte/transportation.htm