United States Department of Transportation
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Quantifying the Emissions Benefits of the Transportation Efficiency and SOV Travel Reduction Programs
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1998-06-01
[PDF-44.93 KB]
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Abstract:Some of the most effective investments and programs to reduce pollution from the transportation sector, such as land use planning, improved urban design and alternative transit infrastructure investment, have the greatest potential to achieve emissions reductions in the long term because they address structural aspects of urban sprawl and the dependence on individual passenger car travel. However, the near term benefits from these initiatives often prove difficult to quantify. The support for transportation efficiency initiatives, particularly those that involve federal funding, increasingly depends upon justification of the investments and programs in terms of short term, quantifiable results. Therefore, there is a need to develop better means of measuring and accounting for their benefits. The needs are both practical and theoretical. From the practical side, there is a need to further develop an annual reporting infrastructure to provide a more comprehensive accounting of local projects that are part of a national program, such as EPA's Transportation Partners. From the theoretical side, there is still a need to further develop the tools of measurement and quantification for many types of transportation efficiency initiatives. Over the past year, EPA's Transportation Partners program, in cooperation with nine national non-profit organizations and over 300 local governments, nonprofits and businesses, has attempted to address the challenges presented by attempting to quantify the emissions reductions achieved by such programs. As such travel reductions programs increasingly depend on their ability to show "tons reduced per dollar," the lessons from the Transportation Partners quantification project should prove useful, especially to those implementing land use planning, urban design or alternative transportation infrastructure construction strategies. 45k, 10p.
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