Soluciones para los problemas del transporte

VTPI Online TDM Encyclopedia

The newly revised Online TDM Encyclopedia is now the most comprehensive international resource available for innovative management solutions to transportation problems. The Encyclopedia provides detailed information on dozens of ways to increase transportation system efficiency and equity. It contains more than 90 chapters, hundreds of pages of text, and thousands of hyperlinks for instant access to resources and references. It is available free at the Victoria Transport Policy Institute (VTPI) website:

The Online TDM Encyclopedia is designed to help transportation professionals throughout the world identify, evaluate, plan and implement Transportation Demand Management strategies. It is the only website that provides comprehensive information on TDM in an easy-to-use format.
International experts in a variety of disciplines helped develop the Encyclopedia, which is regularly updated and expanded by the Victoria Transport Policy Institute. It contains many new and updated sections, with more information on specific strategies, evaluation techniques and best practices.

The Encyclopedia rates strategies according to their ability to help achieve various objectives (congestion reduction, road safety, consumer choice, environmental protection, etc.), their benefits and costs, equity impacts, and appropriateness for use in various situations.

The Encyclopedia also contains information on evaluation methods, transportation price elasticities, land use impacts on travel behavior, economic impacts, equity analysis, safety impacts, and sustainable transportation issues. It is an integrated system that lets you quickly and easily find answers to your community’s transportation problems.

New features include:

solutions to specific transportation problems, including: traffic congestion, pollution emissions, energy consumption, parking problems, community livability impacts, equity, traffic safety, and public health.
Each chapter provides a comprehensive menu of potential options for addressing each problem.

* PARKING MANAGEMENT – New and expanded chapters including «Parking Solutions,» «Parking Evaluation,» «Parking Management,» «Parking Pricing» and «Bicycle Parking,» provide information on a variety of ways to address parking problems and use parking resources more efficiently.

* ACCESSIBILITY – An extensive new chapter titled «Accessibility» describes the concept of accessibility and its implications for transportation and land use planning.

* PLANNING AND EVALUATION – Chapters on «TDM Planning and Implementation,»
«Evaluating TDM,» «Comprehensive Transportation Evaluation,» «Measuring Transportation,» «Evaluating Safety Impacts of TDM» and «Evaluating Nonmotorized Transportation» provide theoretical and practical information for developing and applying TDM programs.

* TRANSPORTATION COST, BENEFITS AND STATISTICS – Chapters on «Transportation Cost and Benefits,» «Costs of Driving and Savings From Reduced Vehicle Use,» and «Transportation Statistics,» each with links to Internet data sources.

* NONMOTORIZED TRANSPORTATION – Chapters on «Nonmotorized Transportation
Planning,» «Pedestrian Improvements,» «Bicycling Improvements,» «Small Wheeled Transport» (skates, push scooters, handcarts, etc.), «Walking and Cycling Encouragement,» «Bicycle Parking,» and «Evaluating Nonmotorized Transportation.»

examine transportation system safety, resilience, security and health impacts, and how demand management strategies can help achieve these goals.

* INDIVIDUAL ACTIONS – The «Individual Actions for Efficient Transportation» chapter describes ways that people can apply transportation management solutions in their own lives.

* PRINTABLE – The Encyclopedia can now be printed directly by your browser.
Text and images can be copied into word processing files for use in reports and analysis.


What is TDM?
Transportation Demand Management (TDM) is a general term for strategies that increase transportation system efficiency. It is a new way to view transportation problems that greatly expands the menu of possible solutions. TDM can be applied in tandem with, or as an alternative to, more conventional responses.

Why Manage Transportation Demand?
There are many reasons to manage transportation demand:

Multiple Benefits
Transportation Demand Management can provide multiple benefits including congestion reduction, road and parking facility cost savings, consumer savings, improved transportation choice, road safety, environmental quality, community livability, efficient land use, and equity. As a result, total benefits are often much greater than other solutions that only address one or two problems.

Cost Effective
When all benefits and costs are considered, Transportation Demand Management is often the most cost effective solution to transportation problems. TDM can provide significant savings by reducing and deferring the need to increase road and parking capacity, reducing vehicle operating costs, and reducing crashes and pollution emissions.

TDM provides a flexible response to many types of transportation problems, including those that are urgent, temporary, variable or unpredictable. TDM programs can often be implemented quickly, and can be tailored to a particular situation and user group. Demand management avoids the risk that a major capital investment will prove wasteful due to unforeseen changes in transportation needs.

Consumer Benefits
TDM can provide direct and indirect consumers benefits. Many TDM strategies use positive incentives. They improve transportation options and provide new financial savings or other benefits to reduce vehicle use. In addition, TDM can be a cost effective way to reduce traffic congestion, parking problems, crash risk and pollution emissions, all of which benefits consumers.

TDM can help achieve equity objectives. It can result in a fairer allocation of resources between different demographic and geographic groups. Many strategies directly benefit people who are economically, physically or socially disadvantaged by improving transportation options available to non-drivers.

Economic Justifications
Many Transportation Demand Management strategies reflect Market Principles.
They correct existing market distortions, which increases economic efficiency, equity and consumer benefits. TDM supports economic development by increasing productivity and reducing external costs.

Sustainable Transportation
Transportation Demand Management can help create more Sustainable Transportation. TDM reflects sustainability principles of efficiency and integration, and can help achieve sustainability objectives including resource conservation, equity, environmental protection, efficient land use, and public involvement.

The Encyclopedia is produced by the Victoria Transport Policy Institute, an independent research organization dedicated to developing innovative and practical tools for solving transportation problems. The VTPI website has numerous resources addressing a wide range of transport planning and policy issues. VTPI also provides consulting services.

For more information contact:
Todd Litman, Director
Victoria Transport Policy Institute
1250 Rudlin Street
Victoria, BC, V8V 3R7, Canada
Phone & Fax: 250-360-1560
E-mail: litman@vtpi.org
Website: http://www.vtpi.org

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