| Association of Metropolitan Planning Organizations: A nonprofit organization serving metropolitan planning organizations. |
| Bike Plan Source: Bicycle planning, advocacy, and program development. Features a planning guide, resource list, and news. |
| Carfree Cities: A collection of examples and solutions for achieving car-free cities. |
| Census Transportation Planning Package 2000: Special tabulations from the 2000 U.S. Census designed for transportation planners. |
| Center for Urban Transportation Research: Objective transportation research resource maintained by the College of Engineering at the University of South Florida. |
| Congestion Charging: Information about the scheme from Transport for London. |
| EPA - Office of Transportation and Air Quality: Protects public health and the environment by controlling air pollution and encouraging travel choices that minimize emissions. |
| Florida Metropolitan Planning Organization Advisory Council (MPOAC): Fosters collective policy discussion among Metropolitan Planning Organizations throughout Florida in the cooperative transportation planning process. |
| 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. |
| Live from the Third Rail: Group weblog providing news and commentary on mass transit from around the world. |
| 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). |
| National Transit Institute: Training, education, and clearinghouse services in support of public transportation in the United States. |
| Pedestrian and Bicycle Information Center: Information about health and safety, engineering, advocacy, education, enforcement, access and mobility. |
| Pedestrian Dynamics: A research project focusing upon pedestrian movement and simulation using agent-based modelling techniques. |
| 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. |
| 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. |
| Resurfacing Safety Resource Allocation Program: Free Access and Excel templates allowing highway agencies to optimize traffic safety improvements in conjunction with resurfacing projects. |
| Richard Drdul Community Transportation Planning: Slideshows about sustainable transportation practices, including traffic calming and bicycle planning and design [PDF files]. |
| Surface Transportation Policy Project: U.S. activist website includes current news and topical analyses about a variety of transportation planning topics. |
| Texas Transportation Institute: Official research agency for the Texas Department of Transportation and the Texas Railroad Commission, devoted to solving transportation problems. |
| Transit Oriented Development - King County, Washington: Promotes high density mixed-use development around major transit facilities. |
| Transit Oriented Development Advocate: Case studies of light rail station area planning and transit oriented development. |
| Transport Blog: Economic libertarian group weblog. Includes personal opinion and discussion of transport and related topics. |
| Transport Model for Scotland: A multi-modal model covering strategic inter-urban travel within Scotland. |
| 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. |
| Traveller Information Systems Research Report: An examination and comparison of transportation systems in American and Swedish cities. |
| Victoria Transport Policy Institute: An independent Canadian research organization dedicated to developing innovative and practical solutions to transportation problems. |
| Walkable Neighborhoods: Promotes livable, pedestrian-oriented communities through a weblog, presentations, links, and photography. |
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