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 purpose of this study was to evaluate the new skid trailer obtained by the Virginia Department of Highways & Transportation and to determine how the survey skid testing program should be conducted in light of the findings. Specifically, those things considered about the new trailer were: (1) testing precision; (2) operational error, defined as
...
Studies of efforts in Virginia to reduce the incidence of reflection cracking when portland cement concrete pavements or bases are overlayed with asphaltic concrete are reported. The methods of reflection crack reduction discussed are: (1) The use of sand as a bond breaker between portland cement concrete pavements and asphaltic overlays, (2) the u
...
This is the first in a series of reports documenting the Virginia Department of Highways & Transportation line source model for predicting carbon monoxide concentrations within the microscale environments of highways. The purpose of this first report is to provide a detailed introduction to and verification of the theoretical development of AIRPOL-
...
This is the third in the series of AIRPOL reports. It details the mechanics and thought processes necessary for proper implementation of the computer program, AIRPOL-4. Furthermore, it recommends several guidelines for the preparation and generation of air quality analyses. The next report in this series will detail the computational method and alg
...
The Department of Highways & Transportation needs an economical and efficient air quality sampling system for meeting requirements on air monitoring for proposed projects located In critical areas. Two sequential air sampling systems, the ERAI and the EMI, that appeared to be the answer to this need were evaluated. On the basis of analytical reliab
...
Forty-five attenuation spectra for earplugs were classified according to a simplified method designed to produce single-number ratings of noise reduction. The rating procedure was applied to the mean attenuation scores, to mean-minus-one-standard-deviation scores, and to mean-minus-two-standard-deviations scores. The reporting of all three numbers
...
Development of criteria for altering existing full cloverleaf interchanges to improve the traffic operations and safety of this particular configuration. Only the standard cloverleaf configuration with a loop ramp and an outer connection in each quadrant was considered in this study. The data based form the Interstate System Accident Research-Study
...
The purpose of this study was to examine the effects of location and design characteristics of urban freeways upon persons with middle and upper incomes living along freeway rights of way. The objectives of the study were~ 1) to determine the effects of freeway location on land use characteristics of middle- and upper-income areas, 2) to determine
...
The rigid pavement design system computer program, RPS-3, designed as a result of this study is the third in a series of such systems developed under the project entitled "A System Analysis of Pavement Design and Research Implementation" (Ref 1), sponsored by the Texas Highway Department in cooperation with the Federal Highway Administration. The r
...
1975-01-01
|
U.S. Department of Transportation Annual Reports
|
PDF
Submitted in compliance of Section 11 of the Department of Transportation Act, the eighth annual report of the Department of Transportation deals with the Department's achievements during Fiscal Year 1974.
Physiological and biochemical measurements of stress in 14 Opa Locka Tower (OPF) controllers indicated that the principal stressor at that facility was the heavy volume of air traffic. Controllers responded to this stressor with a large increase in urinary output of catecholamines. A stress index, Cs, shows that OPF ranks second in stressfulness in
...
Links with this icon indicate that you are leaving a Bureau of Transportation
Statistics (BTS)/National Transportation Library (NTL)
Web-based service.
Thank you for visiting.
You are about to access a non-government link outside of
the U.S. Department of Transportation's National
Transportation Library.
Please note: While links to Web sites outside of DOT are
offered for your convenience, when you exit DOT Web sites,
Federal privacy policy and Section 508 of the Rehabilitation
Act (accessibility requirements) no longer apply. In
addition, DOT does not attest to the accuracy, relevance,
timeliness or completeness of information provided by linked
sites. Linking to a Web site does not constitute an
endorsement by DOT of the sponsors of the site or the
products presented on the site. For more information, please
view DOT's Web site linking policy.
To get back to the page you were previously viewing, click
your Cancel button.