The Transportation Research Board has published 22 peer-reviewed papers that address various environmental issues in its Transportation Research Record Journal, Issue No. 2011. The papers cover diverse subjects including efforts by departments of transportation to develop environmental management systems, vehicle emissions modeling, air quality benefits of freeway high-occupancy vehicle lanes in southern California, use of highway underpasses for large mammals and other wildlife, and others. For more information, link to TRB’s Environmental Issues 2007. (1-18-08)
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