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TRB’s National Cooperative Highway Research Program (NCHRP) Report 535: Predicting Air Quality Effects of Traffic-Flow Improvements: Final Report and User’s Guide provides a recommended methodology to predict the long- and short-term mobile source emission impacts of traffic-flow improvement projects. Guidance is provided to evaluate the magnitude, scale, and duration of such impacts for a variety of representative urbanized areas. The report evaluates varying strategic approaches used to develop methodologies for estimating the impacts of traffic-flow improvement projects on mobile source emissions, reviews advanced methodologies used by leading metropolitan planning agencies, and offers suggestions to improve conventional travel models.

Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2005. Predicting Air Quality Effects of Traffic-Flow Improvements: Final Report and User's Guide. Washington, DC: The National Academies Press. https://doi.org/10.17226/13797.

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Publication Info

227 pages |  8.5 x 11 |  DOI: https://doi.org/10.17226/13797

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