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Search results for "gradually deteriorated"

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Future of American Science  (1979)

Proceedings

Innovation in Transportation: Proceedings of a Workshop, September 24-26, 1979, National Academy of Sciences, Washington, D.C.  (1980)

America's Highways: Accelerating the Search for Innovation -- Special Report 202  (1984)

55: A Decade of Experience -- Special Report 204  (1984)

Transportation Professionals: Future Needs and Opportunities -- Special Report 207  (1985)

Twin Trailer Trucks: Special Report 211  (1986)

Research for Public Transit: New Directions -- Special Report 213  (1987)

Safety Belts, Airbags, and Child Restraints: Special Report 224  (1989)

New Trucks for Greater Productivity and Less Road Wear: An Evaluation of the Turner Proposal -- Special Report 227  (1990)

Truck Weight Limits: Issues and Options -- Special Report 225  (1990)

Airport System Capacity  (1990)

Safety Research for a Changing Highway Environment: Special Report 229  (1990)

Alternatives for Inspecting Outer Continental Shelf Operations  (1990)

Winds of Change: Domestic Air Transport Since Deregulation -- Special Report 230  (1991)

Intermodal Marine Container Transportation: Impediments and Opportunities -- Special Report 236  (1992)

Consensus Study Report

Automotive Fuel Economy: How Far Can We Go?  (1992)

In Our Own Backyard: Principles for Effective Improvement of the Nation's Infrastructure  (1993)

Ensuring Railroad Tank Car Safety: Special Report 243  (1994)

Curbing Gridlock: Peak-Period Fees to Relieve Traffic Congestion -- Special Report 242  (1994)

Toward Infrastructure Improvement: An Agenda for Research  (1994)