A nonprofit organization serving metropolitan planning organizations.

Bicycle planning, advocacy, and program development. Features a planning guide, resource list, and news.

A collection of examples and solutions for achieving car-free cities.

Special tabulations from the 2000 U.S. Census designed for transportation planners.

Objective transportation research resource maintained by the College of Engineering at the University of South Florida.

International transportation and planning exhibition and conference, held in Shanghai.

Protects public health and the environment by controlling air pollution and encouraging travel choices that minimize emissions.

Official site of the "Walk to School" initiative in the UK, including information on events and resources for teachers, parents, and students.

Group weblog providing news and commentary on mass transit from around the world.

Group weblog providing news and commentary on mass transit from around the world.

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).

Training, education, and clearinghouse services in support of public transportation in the United States.

Information about health and safety, engineering, advocacy, education, enforcement, access and mobility.

Archive of transit and transportation demand management marketing materials that facilitates sharing of ideas among public transportation professionals in the U.S. and Canada.

A national organization focused on the link between transportation and community development, providing resources on transit-oriented development, intercity travel, and new urbanism.

Free Access and Excel templates allowing highway agencies to optimize traffic safety improvements in conjunction with resurfacing projects.

Slideshows about sustainable transportation practices, including traffic calming and bicycle planning and design [PDF files].

U.S. activist website includes current news and topical analyses about a variety of transportation planning topics.

Official research agency for the Texas Department of Transportation and the Texas Railroad Commission, devoted to solving transportation problems.

Promotes high density mixed-use development around major transit facilities.

Case studies of light rail station area planning and transit oriented development.

Economic libertarian group weblog. Includes personal opinion and discussion of transport and related topics.

A multi-modal model covering strategic inter-urban travel within Scotland.

Promotes innovation and progress in transportation by stimulating and conducting research, facilitating the dissemination of information, and encouraging the implementation of research results.

An examination and comparison of transportation systems in American and Swedish cities.

Promotes sustainable transportation models in developing nations to local and national governments.

An independent Canadian research organization dedicated to developing innovative and practical solutions to transportation problems.