"We're focused on good outcomes for freight shipping--like reducing congestion, improving safety, and mitigating climate change--and investing in the projects that achieve those outcomes. This strategy is good for shippers and good for the American people." Ray LaHood, U.S. Sec. of Transportation.
Links:
[1] http://www.library.northwestern.edu/libraries-collections/evanston-campus/transportation-library
[2] http://fastlane.dot.gov/2010/06/obama-administration-moving-freight-more-safely-smoothly-and-sustainably.html