The US Transportation Collection consists of documents from across all transportation modes with specific focus on research reports from US DOT, state DOTs, and other transportation organizations.
Bookmark this collection: https://rosap.ntl.bts.gov/collection_ust or https://doi.org/10.21949/1530857.
Contents: Theoretical studies-(Alternatives considered for a feasible baseline system, Rock characteristics of significance in tunneling, Range and resolution, Acoustic wave propagation in hard rock, Acoustic sensing system, Ground-probing radar, Electrical resistivity, Signal processing techniques applicable to subsurface investigation of rock mas
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This report attempts to summarize the findings and output of a research project which lasted seven years and has produced 30 published reports. No attempt is made to summarize each report individually; rather the total approach and program is summarized in several sections. In particular, special attention is given to implementation activities in t
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1976-01-01
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U.S. Department of Transportation Annual Reports
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Submitted in compliance of Section 11 of the Department of Transportation Act, the ninth annual report of the Department of Transportation accounts the Department's activities during Fiscal Year 1975.
Under Project FARE (Financial Accounting and Reporting Elements, (IT-06-0034), uniform standards, definitions, and procedures for reporting, financial and operating data by the urban transit industry were developed. The objective of this project was to provide a standard system of accounting and reporting information in selected statistical categor
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United States. Congress. Office of Technology Assessment
1975-12-01
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PDF
In 1973, the financial disarray of the Northeast and mid-West railroads led to the passage of the Rail Reorganization Act of 1973. The Act established the United States Railway Association (USRA) to develop a plan for a Consolidated Rail Corporation (CONRAIL) to be formed of the financially distressed railroads. On February 26, 1974, USRA issued a
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The primary objective of this study was to review the data generated by projects governed by statistically oriented system of specifications for the control and acceptance of asphaltic concrete and to recommend any revisions that may be deemed necessary. Specifically, the major objectives can be listed according to their order of importance:1. Dete
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The primary objective of this study was two-fold: to verify for Louisiana asphalts the close agreement as found by others (Ref. 1-5) between the standard Thin Film Over Test (AASHTO T179-74) and the newly adopted Rolling Thin Film Over Test (AASHTO T240-734); and second, to seek a correlation between the standard ductility test (AASHTO T51-74) and
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A series of reports have been written to document revised and updated versions of the simulation of highway-vehicle-object interactions in a single vehicle highway environment. The programs documented were developed under FHWA sponsorship to provide the highway safety community with an analytical means of evaluating the effects of highway/roadside
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Preliminary studies into environmental deterioration of pavements indicated that low-temperature cracking of the asphalt concrete surface was not likely for the west Texas area. Likewise, shrinkage cracking due to moisture loss in the base course was not a likely mechanism. An initial computer study using a heat transfer program showed that freeze-
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