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.
This research examines possible means of maintaining or restoring the skid resistance of Portland Cement Concrete pavements (PCCP) built with polish-susceptible aggregates. Several different methods of skid restoration were examined including shot blasting, transverse grooving and application of a rubberized asphalt chip seal (RACS). Neither of the
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Considerable research has been carried out on the effect of water on asphalt mixtures, and test methods to investigate the effect of water have been developed. However, most of this work has been related to stripping and the effect of additives, where external water enters or affects the pavement following construction. There is little published re
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A traffic simulator to study highway traffic under various degrees of automation is being developed at Argonne National Laboratory. The key components of this simulator include a global and a local Expert Driver Model, a human factor study and a graphical user interface. Further, an Autonomous Intelligent Cruise Control (AICC) which is based on a n
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The NPFC has fiduciary responsibility for the OSLTF and the portion of Superfund that the U.S. Coast Guard uses to respond to hazardous material releases in the U.S. coastal zones. In accordance with OPA and other pertinent laws and regulations, the NPFC executes programs to accomplish five principal objectives: Provide funds for removal actions; P
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Automated Dependent Surveillance or ADS is an improvement to current Vessel Traffic Service (VTS) operations and a step towards a "voiceless VTS." The two main requirements for an ADS system are an accurate position sensor on the vessel and a communications link between the vessel and the Vessel Traffic Center (VTC). The first is satisfied by the o
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The purpose of the project described in this report is to develop alternative In-Vehicle Signing (IVS) system concepts based on allocation of the functions associated with driving a road vehicle. In the driving milieu, tasks can be assigned to one of three agents, the driver, the vehicle or the infrastructure. Assignment of tasks is based on a phil
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The definition of In-Vehicle Signing (IVS) functions was guided by the principles of traffic engineering as they apply to the design and placement of roadway signs. Because of the dynamic and active nature of computing, communications, and display technology, IVS can fulfill the signing principles of traffic engineering in ways that have been impos
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This paper describes functional requirements and system concepts for an In-Vehicle Signing (IVS) system, which will bring information from roadway signs, signals, and pavement markings into the vehicle for presentation to the driver. Information filter functions will assure that the only messages displayed are those which are important to the drive
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An Autonomous Intelligent Cruise Control (AICC) has been designed using a feedforward artificial neural network, as an example for utilizing artificial neural networks for nonlinear control problems arising in intelligent transportation systems applications. The AICC is based on a simple nonlinear model of the vehicle dynamics. A Neural Network Con
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Intelligent transportation systems (ITS) are being promoted as potential solutions to a wide variety of today's transportation problems. To facilitate their successful implementation, it may be useful to define an integrated program for educating the various stakeholder groups (DOT personnel, other government agencies, elected officials, general pu
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The RISKIND computer program was developed for the analysis of radiological consequences and health risks to individuals and the collective population from exposures associated with the transportation of spent nuclear fuel (SNF) or other radioactive materials. The code is intended to provide scenario-specific analyses when evaluating alternatives f
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This guide describes the various methods the Transportation Planning Division of the MDOT uses to involve the public in Division activities, and also includes a chart that provides the names of staff people responsible for various Division programs. It should also be noted that the Division develops customized public involvement methods for special
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Students are attracted to university aviation programs for a number of reasons. How well they learn from instruction in a classroom, an airplane, a simulator or in other environments is impacted by their ability to react to stimuli and to process different types of information. Research into cognitive learning style and preferences addresses the pr
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Most members of the University Aviation Association (UAA) are either college and university aviation educators, aviation industry professionals interested in collegiate aviation programs, or individuals from the government and aviation association sector. In 1984 with the implementation of the Federal Aviation Administration's (FAA) Airway Science
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The purpose of this paper is to discuss the use of the case analysis method as an entire semester course in aviation. The author taught a sixteen week course entitled Case Analysis in Aviation at the University of Nebraska at Omaha (UNO). This paper will provide a summary of teaching a course in which analyzing previously written cases was the prim
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The CODES Technical Report presents state-specific results from the Crash Outcome Data Evaluation System project. These results confirm previous NHTSA studies and show that safety belts and motorcycle helmets are effective in reducing fatalities and injuries. The Report also shows that safety belt and motorcycle use in the seven CODES states (Hawai
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Section 507(o) of the Energy Policy Act requires state governments to purchase an increasing percentage of alternative fueled vehicles for their light-duty vehicle (LDV) fleets. This requirement began in model year 1996. To determine the effect of this mandate, this paper estimates the total number of state vehicles that may be "covered" under this
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