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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.

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Showing 33921 - 33940 of 36710 results
  • San Diego transit five year plan update FY 19821986
    San Diego transit five year plan update : FY 1982-1986
    San Diego Transit Corporation
    1981-07-01 | PDF
    The Five Year Plan Update constitutes the annual revision to the operating plan and capital program for the following five year planning period, presents its adopted budget and a specific operating plan and capital program for FY 1982 as well as less detailed plans and programs for FY83 through FY86. The Plan Update also serves as input to the metr ...
  • Engineering Economy and Energy Considerations Skid Resistance of Different Gravel Surfaces in District 25Volume I
    Engineering Economy and Energy Considerations: Skid Resistance of Different Gravel Surfaces in District 25-Volume I
    Ferrara, T. C. ;
    Mahoney, J. P.
    1981-07-01 | PDF
    Selected gravel in District 25 of the Texas State Department of Highways and Public Transportation has been identified and qualified for use on highways in that district from a skid-resistance standpoint. Techniques developed in this study are suitable for use in qualifying aggregates utilized by other districts under different traffic volumes and ...
  • Synopsis of Staggers Rail Act of 1980
    Synopsis of Staggers Rail Act of 1980
    Griffin, Gene C.
    1981-07-01 | PDF
    A synopsis of the Staggers Rail Act of 1980.
  • US Industrial Competitiveness A Comparison of Steel Electronics and Automobiles
    U.S. Industrial Competitiveness: A Comparison of Steel, Electronics, and Automobiles
    United States. Congress. Office of Technology Assessment
    1981-07-01 | PDF
    This assessment compares the international competitiveness of the U.S. steel, electronics, and automobile industries and evaluates prospects for better integration of policies effecting industries in the United States.
  • Engineering Economy and Energy Considerations Construction Cost Trends
    Engineering Economy and Energy Considerations: Construction Cost Trends
    Olson, R. M. ;
    Epps, J. A.
    1981-07-01 | PDF
    Highway planning at both the project and network level requires the availability of current construction cost information as well as a methodology for predicting cost into the future. Current highway cost information for the United States and Texas is available from four main sources: 1. Federal Highway Administration (FHWA); 2. Engineering News Re ...
  • Investigation of accidents within construction zones in Louisiana
    Investigation of accidents within construction zones in Louisiana.
    Bolourchi, Zahir ;
    Moore, Alfred F.
    1981-07-01 | PDF
    This investigation is to analyze construction and maintenance work zone accidents by reviewing accident data to determine if deficiencies exist and recommend possible corrective measures for future traffic control applications. To accomplish this, a review of accident statistics for Calendar Year 1979 was initiated to establish parameters. Of the 1 ...
  • Annual Report of the Maritime Administration 1980 MARAD 1980
    Annual Report of the Maritime Administration 1980 [MARAD 1980]
    United States. Maritime Administration
    1981-07-01 | Annual Reports of the Maritime Administration | PDF
    This Annual Report of the Maritime Administration, submitted in accordance with the Merchant Marine Act, 1936, as amended, reviews Agency activities in administering Federal maritime programs and pertinent developments which affected the U.S. maritime industry in the fiscal year which ended September 30, 1980.
  • Statewide Transit Evaluation Michigan
    Statewide Transit Evaluation: Michigan
    Holec, James M. ;
    Schwager, Dianne S.
    1981-07-01 | PDF
    The objective of this report is to share the experience gained during the development of a performance evaluation methodology for public transportation in the State of Michigan. The report documents the process through which an evaluation methodology was developed including a review of project objectives, milestones, meetings and products. The repo ...
  • The Motor Carrier Act of 1980 An Analysis of the Changes
    The Motor Carrier Act of 1980: An Analysis of the Changes
    Wilson, Wesley W.
    1981-07-01 | PDF
    An analysis is presented of the Motor Carrier Act of 1980.
  • Annual Report To Director FY81 Research Section Alaska Department Of Transportation And Public Facilities
    Annual Report To Director - FY81 (Research Section, Alaska Department Of Transportation And Public Facilities)
    Alaska. Department of Transportation and Public Facilities
    1981-07-01 | PDF
    This publication contains the annual report of the Research Section of the Division of Planning and Programming, Alaska Department of Transportation and Public Facilities for Fiscal Year 1981.
  • Asphalt concrete properties and performance in Alaska final report
    Asphalt concrete properties and performance in Alaska : final report
    McHattie, RL
    1981-07-01 | PDF
    This report examines asphalt pavement properties of 117 older highway sections within the State of Alaska. Principal research objectives included: 1) documentation of commonly measured physical properties of the asphalt concrete cores and extracted asphalt cement and 2) characterization of materials properties which provided the best long term pave ...
  • Implementation of Roadside Erosion Control Research Results
    Implementation of Roadside Erosion Control Research Results
    Huffine, Wayne W. ;
    Cargill, L. M.
    1981-06-30 | PDF
    Large scale areas were established to demonstrate implementation of research findings. These included: (1) johnsongrass control, (2) willow control, (3) bindweed control, (4) broadleaf weed control, (5) sandbur control, (6) seeding Plains bluestem, and (7) planting ground covers other than grass. As a result, the use of herbicides for roadside main ...
  • Safety Treatment of Roadside ParallelDrainage Structures
    Safety Treatment of Roadside Parallel-Drainage Structures
    Ross Jr, Hayes E. ;
    Hirsch, T. J.
    1981-06-01 | PDF
    The purpose of the research was to develop traffic-safe end treatments for parallel-drainage structures that would not appreciably restrict water flow. Guidelines or warrants for use of the end treatments were also developed. Parallel-drainage culverts are used to convey water under driveways, side roads, or median crossovers. Preliminary designs w ...
  • Engineering Economy and Energy Considerations Design and Construction of Lightweight Asphalt Concrete Mixtures
    Engineering Economy and Energy Considerations: Design and Construction of Lightweight Asphalt Concrete Mixtures
    Gallaway, Bob M. ;
    Epps, Jon A.
    1981-06-01 | PDF
    Demands for high polish value aggregates continue to increase as State and Federal Agencies work together to improve driving safety by upgrading the desirable surface properties of our nation's highways. Lightweight aggregates produced from clays and shales by the rotary kiln process are suitable high polish aggregates and have been used extensivel ...
  • Management of Urban Construction Programs Volume II Supplemental Information
    Management of Urban Construction Programs. Volume II: Supplemental Information
    National Research Council (U.S.). Building Research Advisory Board (BRAB)
    1981-06-01 | PDF
    This report of the BRAB Committee on Management of Urban Construction Programs is intended to guide local authorities (such as transportation, water, and sanitary agencies) in developing management plans for executing urban construction projects. BRAB developed the report setting forth the Committee's guidance concerning: a. Developing project mana ...
  • Analysis of routine traffic count stations to optimize locations and frequency final report
    Analysis of routine traffic count stations to optimize locations and frequency : final report.
    Shah, S. C. ;
    Hirschmann, J. J.
    1981-06-01 | PDF
    This report describes a grouping of statewide permanent and key traffic counters on the basis of their geographic variations in traffic flow. Several factors were considered including the distance between clusters and urban versus rural areas.Traffic counts for a 3-year period were grouped into clusters by highway functional class for each individu ...
  • Engineering Economy and Energy Considerations Correction of Bleeding Flushing Surfaces
    Engineering Economy and Energy Considerations: Correction of Bleeding (Flushing) Surfaces
    Finn, F. N. ;
    Epps, J. A.
    1981-06-01 | PDF
    The purpose of this report is to discuss the occurrence and consequences of bleeding pavements, methods for correction of bleeding pavements and a procedure for evaluation of corrective alternatives. For purposes of this report, bleeding (or flushing) is the presence of excess asphalt, or a film of asphalt on the pavement surface.
  • Analyses of PostTensioned Girder Anchorage Zones
    Analyses of Post-Tensioned Girder Anchorage Zones
    Stone, William C. ;
    Breen, John E.
    1981-06-01 | PDF
    Several large thin-webbed box girders, with post-tensioned anchorage zones designed in accordance with AASHTO and ACI requirements, have experienced large cracks along the tendon path in the anchorage zones at the design stressing load. Cracking of this nature provides a path for penetration of moisture and salts and thus presents a potential corro ...
  • Development of a Device to Evaluate the RetroReflective Performance of Pavement Marking Materials
    Development of a Device to Evaluate the Retro-Reflective Performance of Pavement Marking Materials
    Nelson, Thane I.
    1981-06-01 | PDF
    The objective of this research study was to investigate possible techniques for measuring the brightness of the retro-reflective pavement markings on a highway surface. The measurements were to be made during daylight hours and from a moving vehicle. A practical field device, or instrument, was then to be designed and developed. During the course o ...
  • Feasibility of development of a nuclear density gage for determining the density of plastic concrete at a particular stratum final report
    Feasibility of development of a nuclear density gage for determining the density of plastic concrete at a particular stratum : final report.
    Iddings, Frank A. ;
    Melancon, James
    1981-05-01 | PDF
    Development of a nuclear density gage for determining the degree of consolidation of plastic concrete in selected horizontal layers was determined to be feasible. A commercially available, with some modifications, two-probe density gage (detector in one and source in the other) provided the most reliable laboratory results and is practical for fiel ...
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