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.
The annual revision of the Waterborne Transportation Lines of the United States (WTLUS) contains summary information of the vessel companies and their American flag vessels operating or available for operation on 31 December 1996 (with updates through the publication date) in the transportation of freight and passengers. general ferries and floatin
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Prior research work (Goering and Kumar, 1996; and Goering, 1996) has indicated that Air Convection Embankments are a promising technique for limiting the thaw settlement damage that often occurs when roadway embankments are constructed in regions of warm permafrost. These studies led to the proposal of a full-scale experimental Air Convection Emban
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United States. Department of Transportation. Office of the Inspector General
1997-12-01
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This is our final report on the audit of Free Industry Flight Training of the Federal Aviation Administration's (FAA) flight standards and inspectors. We concluded that FAA's Aircrew Designated Examiner Program (Program), which is dependent on a quid pro quo agreement between the FAA and regulated air carriers, may preclude FAA from taking enforcem
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United States. Department of Transportation. National Highway Traffic Safety Administration
1997-12-01
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This annual report presents descriptive statistics about traffic crashes of all severities, from those that result in property damage to those that result in the loss of human life. Information from two of the National Highway Traffic Safety Administration's (NHTSA's) primary data systems has been combined to create a single source for motor vehicl
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National Center for Statistics and Analysis (U.S.)
1997-12-01
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Many persons with disabilities need specific types of modifications made to and/or adaptive equipment added to their motor vehicles to meet their transportation needs. NHTSA is frequently asked "how many vehicles are modified with adaptive equipment to be used by and/or to transport persons with disabilities"? NHTSA's National Center for Statistics
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This appendixes report is a companion to the HUBLINK final report, Transportation Restructuring Study for Western New York. The study involved research on transportation needs, alternatives, coordination opportunities, and creative financing. The product of the HUBLINK study is a blueprint to achieve a new vision for mobility in Western New York, c
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A prototype miniature electronic cone penetrometer system is developed for road and highway design and construction control. The equipment is implemented in front of the Research Vehicle for Geotechnical In Situ testing and Support (REVEGITS). A calibration chamber system for laboratory calibration and development of correlations is also fabricated
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This report presents a series of testing protocols used at the Minnesota Road Research Project (Mn/ROAD), the Minnesota Department of Transportation's (Mn/DOT) pavement testing facility. This report helps establish a history of the tests conducted and testing procedures, and also serves as a reference for researchers outside of Mn/DOT to compare th
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Phase 2 focuses on improving The Texas Pavement Management Information System (PMIS) implementation at the district level, the goal being to provide sufficient information to move from network to project level decision making. Phase 2 implementation canno;Also pub. as Texas Transportation Inst., College Station rept. nos. TTI-0-1420 and RR-1420-S.
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Prior research work has indicated that air convection embankments are a promising technique for limiting the thaw settlement damage that often occurs when roadway embankments are constructed in regions of warm permafrost. These studies lead to the proposal of a full-scale experimental air convection embankment (ACE) to be constructed through the Fe
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The two most important societal trends today are the aging baby boom and women's increased independence. This paper compares the travel profiles of women aged 40 to 49(early baby boomers) with women aged 75 and over and with men aged 75 and over (parents of the baby boom) to estimate the impact of an aging population on vehicle ownership rates and
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In 1994, the Federal Highway Administration (FHWA) sponsored an international technology scanning review that focused on Japan, Australia, and New Zealand. Its purpose was to review the application of safety management systems. One of the primary findings was that safety audits were effective in improving highway safety in the countries where they
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In 1995, a project was initiated to assess the costs versus benefits of the Strategic Highway Research Program (SHRP). Information was collected from State and local highway agencies on their experiences with the SHRP products, and this information was used as the basis for an economic analysis of the costs and benefits of the program and its produ
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This research report summarizes findings from a research project and is organized into four chapters. Chapter 1 identifies operational problems associated with congestion and provides a summary of existing technology. Chapter 2 summarizes the results of field studies that measure headways during oversaturated traffic conditions. These field studies
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Many miles of pavements in Texas arc constructed with aggregate bases. These pavements are typically comprised of a thin asphalt surface over a flexible or aggregate base layer. The base layer is, therefore, usually the primary structural layer. Thermal-and moisture-related effects can cause cracks and general distress within these layers, resultin
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