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 original rock prism specimens were prepared and the early length change data were taken as part of a Federal Highway Administration project on the behavior of carbonate aggregates in concrete. It had been shown that the length changes of the aggregates bore a direct relationship to the pH of the solution in which they were tested. The present s
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Walker, Hollis N (1979). Petrographic examination of carbonate aggregate prism specimens treated with chemical solutions normally occurring in Portland cement concrete..
Walker, Hollis N "Petrographic examination of carbonate aggregate prism specimens treated with chemical solutions normally occurring in Portland cement concrete." (1979)
Walker, Hollis N "Petrographic examination of carbonate aggregate prism specimens treated with chemical solutions normally occurring in Portland cement concrete." , 1979
It is clear that the ingestion of alcohol can disturb postural measures and it is possible that the effects of alcohol may be manifested at significant stages subsequent to acute intoxication; i.e., during so-called 'hangover' periods. This study was designed to investigate the performance of normally 'heavy' and normally 'light' young male drinker
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Schroeder, David J. and Collins, William E. (1979). Effects of congener and noncongener alcoholic beverages on a clinical ataxia test battery..
Schroeder, David J. and Collins, William E. "Effects of congener and noncongener alcoholic beverages on a clinical ataxia test battery." (1979)
Schroeder, David J. and Collins, William E. "Effects of congener and noncongener alcoholic beverages on a clinical ataxia test battery." , 1979
A study was conducted to determine whether or not the presence or absence of a radar sweepline influences attentional processes and, hence, the speed with which critical stimuli can be detected. The visual display was designed to approximate an advanced, highly automated air traffic control radar display containing computer-generated alphanumeric s
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Thackray, Richard I. and Touchstone, R. Mark (1979). Visual search performance during simulated radar observation with and without sweepline..
Thackray, Richard I. and Touchstone, R. Mark "Visual search performance during simulated radar observation with and without sweepline." (1979)
Thackray, Richard I. and Touchstone, R. Mark "Visual search performance during simulated radar observation with and without sweepline." , 1979
A three-pronged study was undertaken to forecast the nature of bridge engineering and construction for the years 1980 to 2000. First, the history of bridge engineering was explored to extrapolate likely future developments. Second, a detailed questionnaire on the future of bridges was sent to authorities on the subject, and their responses were ana
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Zuk, William (1979). A forecast of bridge engineering, 1980-2000..
Zuk, William "A forecast of bridge engineering, 1980-2000." (1979)
Zuk, William "A forecast of bridge engineering, 1980-2000." , 1979
An index to Office of Aviation Medicine Reports (1964-1978) and Civil Aeromedical Research Institute Reports (1961-1963) is presented as a reference for those engaged in aviation medicine and related activities. It provides a listing of all FAA aviation medicine reports published from 1961 through 1978 by year, number, author, title, and subject.
Civil Aeromedical Institute (1979). Index to FAA Office of Aviation Medicine reports : 1961 through 1978..
Civil Aeromedical Institute "Index to FAA Office of Aviation Medicine reports : 1961 through 1978." (1979)
Civil Aeromedical Institute "Index to FAA Office of Aviation Medicine reports : 1961 through 1978." , 1979
Ky-31 tall fescue was found to be the best adapted cool season perennial grass for use in Virginia. Persistence of fine-leaved, short grasses was poor. Late winter-early spring seeding of perennial legumes was found to be the best season for seeding for renovating cut slopes and medians with degenerating grass sods. Late winter seedings in medians
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Adams, P. P and Blaser, R. E (1979). Improving vegetation and mowing management in highway corridors : final report..
Adams, P. P and Blaser, R. E "Improving vegetation and mowing management in highway corridors : final report." (1979)
Adams, P. P and Blaser, R. E "Improving vegetation and mowing management in highway corridors : final report." , 1979
A survey questionnaire was developed to identify traffic operations and safety management needs in Virginia. Form A of the questionnaire was mailed to 79 traffic engineering practitioners throughout Virginia and Form B was mailed to 78 law enforcement officials throughout Virginia and 10 area safety coordinators employed by the Virginia Department
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Mitchell, Deborah (1979). Traffic and safety management needs in Virginia..
Mitchell, Deborah "Traffic and safety management needs in Virginia." (1979)
Mitchell, Deborah "Traffic and safety management needs in Virginia." , 1979
Reported is the second of two evaluations of the potential use of photologging within the Virginia Department of Highways and Transportation. The film acquired in the first evaluation was used to establish a viewing station in a district office and the central office of the Department. Once Department personnel had gained experience with the photol
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McGeehan, Daniel D (1979). A comparative analysis of various methods of photologging..
McGeehan, Daniel D "A comparative analysis of various methods of photologging." (1979)
McGeehan, Daniel D "A comparative analysis of various methods of photologging." , 1979
Recently completed research had proven the feasibility of using raised pavement markers to alert wrong-way drivers to their errors. In that research, however, the raised markers had been placed only in areas where-snowplowing was not a problem; therefore, the research described in the present report was undertaken to determine if problems would be
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Shepard, Frank D (1979). Installation of raised pavement markers for reducing incidences of wrong-way driving in snowplow regions..
Shepard, Frank D "Installation of raised pavement markers for reducing incidences of wrong-way driving in snowplow regions." (1979)
Shepard, Frank D "Installation of raised pavement markers for reducing incidences of wrong-way driving in snowplow regions." , 1979
In 1974 the Research Council initiated a statewide survey of metal truss bridges to identify any with historic significance. This pioneering effort was financed with state research funds as it was intended to aid the Virginia Department of Highways and Transportation in meeting its obligations mandated by various requirements of the environmental r
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Spero, Paula A. C and Deibler, Dan Grove (1979). A survey and photographic inventory of metal truss bridges in Virginia, 1865-1932 : VI. The Lynchburg Construction District..
Spero, Paula A. C and Deibler, Dan Grove "A survey and photographic inventory of metal truss bridges in Virginia, 1865-1932 : VI. The Lynchburg Construction District." (1979)
Spero, Paula A. C and Deibler, Dan Grove "A survey and photographic inventory of metal truss bridges in Virginia, 1865-1932 : VI. The Lynchburg Construction District." , 1979
This report constitutes a review of the literature concerning recycling of portland cement concrete pavements by crushing the old pavement and reusing the crushed material as aggregate in a number of applications. A summary of the major projects conducted by state transportation departments is included. Crushed portland cement concrete is shown to
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Halstead, Woodrow J (1979). Recycled Portland cement concrete pavements : Part II, state-of-the art summary..
Halstead, Woodrow J "Recycled Portland cement concrete pavements : Part II, state-of-the art summary." (1979)
Halstead, Woodrow J "Recycled Portland cement concrete pavements : Part II, state-of-the art summary." , 1979
A water recycle-reuse system researched and developed by the Virginia Highway and Transportation Research Council for treating water closet flush water was constructed at an existing rest area. An existing 10,000 gpd (37,800 lpd) biological wastewater treatment system and rest area piping system were modified to accommodate water reuse. The recycle
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Parker, Clinton E and Reynolds, John W., (1979). Water reuse at highway rest areas : follow-up of implementation..
Parker, Clinton E and Reynolds, John W., "Water reuse at highway rest areas : follow-up of implementation." (1979)
Parker, Clinton E and Reynolds, John W., "Water reuse at highway rest areas : follow-up of implementation." , 1979
The report summarizes studies directed at developing guidelines for controlling the use of partially completed pavements by heavy construction equipment. It is shown that the damaging effects of flotation tires may be analyzed in the same manner as those of conventional dual tires, and that the AASHTO traffic equivalencies for such dual tires are a
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Vaswani, Nari K and McGhee, Kenneth H (1979). Permissible weight limits for construction vehicles on finished and unfinished pavements : final report..
Vaswani, Nari K and McGhee, Kenneth H "Permissible weight limits for construction vehicles on finished and unfinished pavements : final report." (1979)
Vaswani, Nari K and McGhee, Kenneth H "Permissible weight limits for construction vehicles on finished and unfinished pavements : final report." , 1979
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