Bureau of Transportation Statistics
- Department of Transportation site that offers transportation data and analysis as well as other related information for all 50 states.
- http://www.bts.gov

Transit Oriented Development - King County, Washington
- Promotes high density mixed-use development around major transit facilities.
- http://www.metrokc.gov/kcdot/tod/

Walkable Neighborhoods
- Promotes livable, pedestrian-oriented communities through a weblog, presentations, links, and photography.
- http://www.walkableneighborhoods.com/

Congestion Charging
- Information about the scheme from Transport for London.
- http://www.cclondon.com/

Pedestrian Dynamics
- A research project focusing upon pedestrian movement and simulation using agent-based modelling techniques.
- http://www.pedestriandynamics.com/

Live from the Third Rail
- Group weblog providing news and commentary on mass transit from around the world.
- http://thirdrail.smorgasblog.com/

Victoria Transport Policy Institute
- An independent Canadian research organization dedicated to developing innovative and practical solutions to transportation problems.
- http://www.vtpi.org/

Promotional Materials Clearinghouse
- Archive of transit and transportation demand management marketing materials that facilitates sharing of ideas among public transportation professionals in the U.S. and Canada.
- http://nctr.cob.fsu.edu/

Living Streets
- UK based campaigning organization for pedestrians and public spaces. Initiator and stakeholder in many practical projects to improve quality and safety of streets (formerly the Pedestrians Association).
- http://www.livingstreets.org.uk/

Let's Walk to School...
- Official site of the "Walk to School" initiative in the UK, including information on events and resources for teachers, parents, and students.
- http://www.walktoschool.org.uk/

Center for Urban Transportation Research
- Objective transportation research resource maintained by the College of Engineering at the University of South Florida.
- http://www.cutr.usf.edu/

Richard Drdul Community Transportation Planning
- Slideshows about sustainable transportation practices, including traffic calming and bicycle planning and design [PDF files].
- http://www.drdul.com/

Transport Blog
- Economic libertarian group weblog. Includes personal opinion and discussion of transport and related topics.
- http://www.transportblog.com/

Reconnecting America
- A national organization focused on the link between transportation and community development, providing resources on transit-oriented development, intercity travel, and new urbanism.
- http://www.reconnectingamerica.org/

Texas Transportation Institute
- Official research agency for the Texas Department of Transportation and the Texas Railroad Commission, devoted to solving transportation problems.
- http://tti.tamu.edu/

Resurfacing Safety Resource Allocation Program
- Free Access and Excel templates allowing highway agencies to optimize traffic safety improvements in conjunction with resurfacing projects.
- http://rsrap.org/

Pedestrian and Bicycle Information Center
- Information about health and safety, engineering, advocacy, education, enforcement, access and mobility.
- http://www.pedbikeinfo.org

Transportation Research Board
- Promotes innovation and progress in transportation by stimulating and conducting research, facilitating the dissemination of information, and encouraging the implementation of research results.
- http://www.trb.org

Census Transportation Planning Package 2000
- Special tabulations from the 2000 U.S. Census designed for transportation planners.
- http://www.fhwa.dot.gov/ctpp/

Transport Model for Scotland
- A multi-modal model covering strategic inter-urban travel within Scotland.
- http://www.tmfs.org.uk/

Bike Plan Source
- Bicycle planning, advocacy, and program development. Features a planning guide, resource list, and news.
- http://www.bikeplan.com/

Surface Transportation Policy Project
- U.S. activist website includes current news and topical analyses about a variety of transportation planning topics.
- http://www.transact.org/

EPA - Office of Transportation and Air Quality
- Protects public health and the environment by controlling air pollution and encouraging travel choices that minimize emissions.
- http://www.epa.gov/otaq/

National Transit Institute
- Training, education, and clearinghouse services in support of public transportation in the United States.
- http://www.ntionline.com

Carfree Cities
- A collection of examples and solutions for achieving car-free cities.
- http://www.carfree.com/

Transit Oriented Development Advocate
- Case studies of light rail station area planning and transit oriented development.
- http://www.todadvocate.com/