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 report has been prepared for the benefit of these persons involved in highway construction who are not familiar with coal ash terminology. The information presented will, it is hoped, assist them in avoiding confusion relating to the general characteristics and potential uses of the various types and classes of ash. The report covers, very bri
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The purpose of this report is to describe the cost of motor vehicle accidents in two ways first, by identifying the cost components and quantifying them, and second by showing the severity of such accidents in terms of human suffering. Although many statistics are kept concerning the causes of motor vehicle accidents, few are kept concerning the re
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The installation of a thin polymer concrete overlay on the Beulah Road bridge demonstrates that an overlay of low permeability and high skid resistance can be successfully installed by maintenance forces with a minimum of disruption to traffic, approximately 8 hr. per lane, and at about half the cost of alternative service-life-extending measures.
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Solar electric systems have some applications in the maintenance and operation of highway facilities. This report describes a project, performed by the Council in cooperation with the Traffic and Safety Division for the purpose of demonstrating the use of such a system in traffic counters and of developing practical experience in this new technolog
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This report is based upon site visits and written communication with transportation officials in more than 100 cities throughout the country. Traditional parking management practices, such as curbside restrictions, are not discussed. Rather, the report describes a number of relatively new and innovative ways by which cities and counties are attempt
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This volume addresses general community paratransit services in small cities and metropolitan areas, with the latter separated into suburban and inner city areas. Systems designed for neighborhood/community circulation and those designed to be integrated with existing line haul transit are both addressed. Within these contexts, included are a range
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There is an urgent need for methods that can be used to rapidly and nondestructively determine the condition of an old concrete deck beneath an asphaltic concrete wearing course. In recognition of this need, the technique of ground-penetrating radar was investigated. In practice, microwave-frequency impulses of about 1.1 nanosecond pulse width are
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This investigation attempted to assess the mesoscale and microscale effects of the recently built Interstate Route I-195 in Richmond, Virginia. Measurement of the air quality before and after completion of the expressway showed that on the mesoscale, there was an improvement in the ambient CO concentration in the 14-square-mile area surrounding the
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A paving system was developed in Sweden in the 1960's in which relatively large rubber particles are incorporated into asphalt concrete pavements. The original purpose was to increase skid resistance and durability. This system, distributed under the trade names "Skega Asphalt" or "Rubit" in Scandinavia and "PlusRide" in the U.S.A., was also found
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National Research Council (U.S.). Transportation Research Board
1982-01-01
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Transportation Research Record 886 addresses "New Concepts in Data Analysis." The following papers are included within: "Origin-Destination Travel Survey for Southeast Michigan;" "Pilot Testing of Alternative Administrative Procedures and Survey Instruments;" "Vehicle Origin Survey;" "Analysis of Employee Residential Locations for Transit Planning;
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This proceedings gathered by the National Academy of Sciences has focused on survey data, its collection and use. Five research papers are included: "Problems of nonreported trips in surveys of nonhome activity patterns;" "Estimation of cross-cordon origin-destination flows from cordon studies;" "Toward improved collection of 24-h travel records;"
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The Arlington-Fairfax County section of 1-66 is similar to manyurban highway projects, yet in many ways this project represents amilestone in urban transportation planning. 1-66, not unlike manyothers, required non-technical political groups to make difficult,technically complex decisions. These decisions took place over along period of time, 1959-
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A major study of asphalt concrete properties and performance of Alaska's highways was completed in 1982. The project data base was obtained from 117 statewide pavement sections through numerous core samples and measurements of cracking, patching and rutting. Primary research objectives were to: 1) provide an idea of the in-service composition of as
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1982-01-01
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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 fourteenth annual report of the Department of Transportation accounts the Department's activities during Fiscal Year 1980.
This report summarizes results of studies conducted to develop better and more specific guidelines for traffic control during urban freeway maintenance activities. The following topic areas are addressed: sight distance, arrow boards, middle lane closure, special traffic management requirements, freeway work zone capacity, moving maintenance operat
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This report identifies and describes the special traffic handling requirements for maintenance work zones on urban freeways. These special requirements stem from the high speeds, heavy traffic volumes, and unique design features (e.g., ramps and frontage roads) which characterize urban freeways. The information and guidelines presented herein are b
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A contraflow lane is in operation on I-45N in Houston during both the morning and afternoon peaks. Operation of that lane requires taking a lane away from the off-peak direction mixed-flow traffic to serve as the contraflow lane. It was recognized at the outset that, at some time, off-peak direction traffic would become sufficiently large to cause
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