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.
Load-zoned pavements in Texas are presently posted using gross vehicle weight (GVW) limits to prevent or minimize the development of permanent deformation due to excessive truck loads. In reality, pavement damage is more related to axle loads and axle configuration rather than GVW. Thus, load restrictions need to be related to axle loads, axle type
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This Federally-funded study aimed to identify and document advanced tools which have potential to be utilized for transportation technology transfer(T2)in Minnesota. Within the study, the existing and future needs for T2 in the state where considered. Profiles were then developed of the customer groups that T2 activities are targeted toward. Guided
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This document was prepared as a resource for the Oregon Department of Transportation's (ODOT's) 1997 Research Strategic Planning Meeting held in November 1997. Included in the paper are relevant socioeconomic trends, including social, environmnetal, economic, and political. Construction technology, condition assessment and monitoring, transport tec
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The goal of this study was to develop guidelines for bench marking strength and stiffness properties of deteriorated in-service timber piles as a function of the age of the pile and the in-service environment. A parallel research project undertaken to evaluate the load capacity of hollowed timber piles showed a significant reduction in the strength
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An ET-2000 Extruder Guardrail End Terminal (GET) was installed in September 1994 along Highway 35 (ORE 42) near Roseburg, Oregon (M.P. 76). The ET-2000 GET was selected for this site to reduce accident severity and right-of-way cost. The GET was installed for a total cost of $3,000 in about two hours. The performance of the ET-2000 GET was monitore
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The Federal Highway Administration's Interactive Highway Safety Design Model (IHSDM) is a suite of CADD-compatible programs that highway designers can use to evaluate the safety effects of various design alternatives. The IHSDM will include a Policy Review Module, a Design Consistency Module, a Driver/Vehicle Module, a Traffic Analysis Module, and
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United States. Department of Transportation. Maritime Administration
1997-12-01
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The Maritime Administration’s 1998-2002 Strategic Plan sets forth the mission, goals and specific actions that the Agency will pursue in implementing our statutory mandates, which are to ensure the availability of: efficient water transportation service to American shippers and consumers; an adequate shipbuilding and repair base; efficient ports; e
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The Oregon Department of Transportation has used either Silica Fume or Latex Modified Concrete (LMC) to lower chloride permeability in bridge deck overlays. On this project a new project combining both silica fume and LMC was used. The overlay was completed in July of 1993. Three years later, only a few cracks had developed. Chloride permeability m
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In order to begin to understand the public's views regarding the transportation services it receives, as part of the pre-test of the 1995 Nationwide Personal Transportation Survey, in a national telephone survey, over 4,000 adults were asked a series of questions about their reactions to many aspects of travel, with emphasis on elements of the road
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The Sign Inventory Management and Ordering System (SIMOS) design is a merger of existing manually maintained information management systems married to PennDOT's GIS and department-wide mainframe database to form a logical connection for enhanced sign management. To minimize the development costs, consideration was given to utilize existing hardware
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The emergence of the next generation containerships (mega ships) and global shipping line alliances will bring about fundamental changes in the operational framework and infrastructure of many U.S. ports. By all indications the end results will be more a streamlined and competitive container industry where ocean carriers will operate with load cent
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Highway structures are subjected to stream instability and foundation scour resulting from dynamic flow conditions caused by tides, currents, storm surges, and upland runoff. This phase of the study (Phase II) focused on (1) making useful modifications to the selected models (2) testing the models and developing case studies, (3) developing methods
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Part 2 of the FHWA report on Road Safety Audits was prepared to provide the following:Additional detail on road safety organizations and the development of safety policies in Australia and New Zealand. This complements the information in Section 2 of Part 1; An overview of checklists used in the road safety audit process using examples from the Aus
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Flight Operational Quality Assurance (FOQA) programs seek to use flight data todetect technical flaws, unsafe practices, or conditions outside of desiredoperating procedures early enough to allow timely intervention to avertaccidents or incidents. These programs are voluntary efforts by airlines thatinvolve equipping aircraft with specialized devic
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In an effort to increase the efficiency and safety of air travel while accommodating the growing demand for air traffic, the aviation community is working towards designing next generation Air Traffic Management (ATM) systems. ATM will replace the completely centralized, ground based, Air Traffic Control procedures. Within ATM, the concept of Free
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United States. Department of Transportation. Federal Aviation Administration
1997-12-01
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Section 47131 of Title 49 United States Code requires the Secretary ofTransportation to submit an annual report to Congress describing theaccomplishments of the airport grant program. This report coversactivities for the fiscal year ending September 30, 1996.
West Virginia. Division of Transportation Planning
1997-11-26
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Within West Virginia, major transportation systems have been developed to facilitate the movement of people and goods to and from homes to businesses and markets, and to promote economic development and tourism. The existing systems consist of a network of highways, railroads, waterways and airports, and, to a lesser extent, motorized and non-motor
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