Title: An overview of transportation R&D
Subtitle: hearings before the Subcommittee on Technology and Innovation, Committee on Science and Technology, One Hundred Eleventh Congress, first session, February 12, 2009 and March 31, 2009.
Subjects: Transportation, United States. Dept. of Transportation, Appropriations and expenditures, Research, United States, Finance, United States. Department of Transportation
Places: United States