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 SYLVIA fiberoptic variable message signs (VMS) were installed on the Pacific Highway (I-5) as a part of the "Swift Interchange - Delta Park Interchange" project at milepost 298.47 and at milepost 305.66 in January 1991. Initially, during project construction, the signs were used to provide road construction and delay information to the motoring
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The SYLVIA fiberoptic variable message signs (VMS) were installed on the Old Oregon Trail Highway (I-84) at milepost 263.4 near La Grande and at milepost 286.7 near North Powder. The purpose of the signs is to warn motorists of fog, winter blizzard conditions and high wind conditions.The evaluation of the SYLVIA fiberoptic VMS was conducted by the
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This report annotates the cold regions mobility prediction routines included in the CAAMS/ALBE mobility models. It further explains the development of the algorithms that are used in these models to describe the interaction of a vehicle with terrain that has been affected by cold weather. The following terrain conditions are discussed: undisturbed
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This study analyzes the probable impact of new light rail transit and commuter rail service into the Dallas Central Business District on existing Dallas Area Rapid Transit (DART) bus service. It looks at possible route and schedule modifications to effectively integrate bus service with light rail and rail services. Finally, it deals with the quest
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In October, of 1992, the Housatonic Area Regional Transit (HART) District published a planning study providing an in-depth analysis of its fixed route bus transit service. This comprehensive operational analysis (COA) was the first detailed analysis of the service following HART's Fiscal Year 1991 service upgrade and Fiscal Year 1992 fare increase.
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This publication consists of a listing of experimental products and equipment that are being considered or evaluated by the Oklahoma Department of Transportation, other transportation departments, or other agencies. The listing is continuously updated as new information is received. A status of the evaluation is indicated for each item, showing the
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COGSCREEN is a computerized test battery developed for the Federal Aviation Administration as an airman neuropsychological screening instrument for cognitive functioning. This study explored a multifaceted application of the sensitivity of the battery to potential differences in performance capabilities, current civil aviation interest in the perfo
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There is a popular belief in the aviation industry that retired pilots die at a younger age than the general population. If this belief is in fact, correct, research into the factors or events precipitating an early mortality among retired airline crew members could be of interest to the FAA. Few studies have addressed the question "Do retired airl
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In-flight fires in modern aircraft are rare, but post-crash fires do occur. Cabin occupants frequently survive initial forces of such crashes but are incapacitated from smoke inhalation. According to an international study, there were 95 fire-related civil passenger aircraft accidents world-wide over a 26-year period, claiming -2400 lives. Between
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A simulation of an air traffic control task was the setting for an investigation of the functions of external cues in prospective memory. External cues can support the triggering of an action or memory for the content of the action.We focused on memory for the content and manipulated the temporal characteristics of the external cue to disentangle t
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Recent advances in the capabilities of personal computers have resulted in an increase in the number of flight simulation programs made available as Personal Computer-Based Aviation Training Devices (PCATDs).The potential benefits of PCATDs have been recognized by researchers and software/hardware developers alike. The purpose of this report is two
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An effort was conducted to determine actual ground-to-air, and air-to-ground performance of the Airline Communications and Reporting system (ACARS), Very High Frequency (VHF) Data Link System. Parameters of system throughput, error rates, and availability were measured by tabulating statistics of messages ranging from 2 to 150 bytes in length. The
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On some of Oregon's highways, particularly on the interstate freeways in Eastern Oregon, most of the heavy trucks travel in the outside lane (right lane). With this kind of truck traffic pattern, the right lane experiences significantly higher axle loadings than the left lane, and consequently, the right lane deteriorates much faster than the left
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In 1920, to provide for the safety of drivers on the Columbia River Highway, two-rail timber guardrail were installed. Subsequently, the two-rail timber guardrail were replaced by more modern guardrail. Recently, the Historic Columbia River Highway Advisory Committee requested that the Oregon Department of Transportation (ODOT) install the old styl
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Oregon. Department of Transportation. Materials and Research Section
1995-02-01
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An ET-2000 Extruder Guardrail End Terminal (GET) was installed in September 1993 along a sate highway in southern Oregon. The ET-2000 GET was installed to reduce the severity of injuries during accidents and to reduce the amount of land (right-of-way) required for the guardrail. The ET-2000 GET was installed as planned - there were no major problem
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Two full-scale vehicle crash tests were performed on South Dakota's Standard Road Closure Gate. Test SDG-1 was conducted with a 1986 Chevrolet Sprint weighing 794 kg (1751 lbs) at an impact speed of 37.1 km/h (23.l mph) and an angle of O degrees. The center line of the vehicle impacted the upstream end and center line of the gate. Test SDG-2 was co
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Industry Winter Runway Friction Measurement and Reporting Working Group (U.S.)
1995-01-25
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For many years, the aviation community has struggled with runway friction reporting practices. Airport operations personnel, in taking on the responsibility for conducting friction measurements during winter storms, work diligently to keep up with rapid changes in the weather. Airport operators should know how to provide pilots with acceptable runw
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This Innovations Deserving Exploratory Analysis (IDEA) project focused on the development of the Improved Metropolitan Area Transportation System (IMATS). The objective of IMATS is to reverse the trend of increasing single-occupant-vehicle (SOV) use by providing a multiple-occupant-vehicle (MOV) transportation system that is equivalent or superior
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The European trip was taken from November 26 to December 4, 1994. The trip was supported mainly by the University of Michigan for the consultant to attend the First World Congress on Applications of Transport Telematics and Intelligent Vehicle Highway Systems in Paris. While there, the consultant took a couple of DRIVE project tours to get updated
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Numerous constructed rock slopes along highways traversing the Black Hills region require considerable maintenance every year. Many of these slopes are steeply inclined and are susceptible to the effects of erosion and possible instability. The objectives of the study are to (1) categorize existing constructed rock slope conditions in the Black Hil
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