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This guide, released by the Federal Highway Administration in December 2009, helps state departments of transportation, metropolitan planning organizations, and local transportation agencies develop individual programs to measure their success in linking transportation planning and environmental analysis. In addition, A Guide to Measuring Progress in Linking Transportation Planning and Environmental Analysis utilizes resources developed by Cambridge Systematics to help the Montana Department of Transportation and its partners link current transportation planning processes to the National Environmental Policy Act (NEPA) and the Montana Environmental Policy Act (MEPA). These resources were intended to strengthen the Department’s Corridor Planning Process to help feed into the NEPA/MEPA, advance viable alternatives into NEPA/MEPA, and provide the opportunity for greater partner involvement at all stages. 
In October 2009, the Federal Highway Administration issued a report that synthesizes the findings of nine case studies on the environmental mitigation strategies, policies, and activities transportation agencies have undertaken to meet the new requirements of the Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (SAFETEA-LU). This Act included provisions intended to enhance the consideration of environmental issues and impacts within the transportation planning process. One case study describes Cambridge Systematics’ work for the Montana Department of Transportation (MDT) on the Highway Economic Analysis Tool, which determined benefit/cost calculations of the Tentative Construction Program and produced a systemwide estimate of economic benefits and costs from highway investments. The Montana case study also details the Corridor Planning Process on which Cambridge Systematics advised MDT. This Process guides MDT in planning-stage consultation with resource agencies, the public, and other stakeholders to develop purpose and need statements, identification/elimination of alternatives, and mitigation opportunities for use in the formal environmental review process.
On April 1, 2008, The Environmental Law & Policy Center (ELPC) released a report based on analysis by Cambridge Systematics on the public health and environmental benefits of proposed clean car legislation in Illinois. The report shows that, each year, the Illinois clean car standard would reduce pollution from vehicles by as much as 16 percent for "criteria" air pollutants and up to 21 percent for air toxics by the year 2030.
On March 13, 2008, the U.S. Department of Transportation (DOT) released a major report on the potential impacts of climate change on transportation in the Central Gulf Coast. The study, conducted under the auspices of the U.S. Climate Change Science Program (CCSP), was sponsored by the U.S. DOT Center for Climate Change in partnership with the U.S. Geological Survey (USGS). Cambridge Systematics led a group of researchers investigating the risks that transportation may face due to rising sea levels, changing rainfall patterns, more extreme storms, and warmer temperatures. We found that climate change is likely to result in significant challenges for coastal infrastructure.
The Winter 2008 issue of AMPO Metros Quarterly newsletter included two articles co-authored by Robert Hyman, an Associate of Cambridge Systematics with expertise in the fields of environmental, policy, and financial analysis. The theme of this issue was devoted to climate change. The two articles are Pavements and the Urban Heat Island with Evan Wong from the U.S. EPA (p. 6-7); and The Impacts of Climate Change on Transportation with Robert Kafalenos of the FHWA (p. 8-9).
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