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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 29321 - 29340 of 35452 results
  • Analysis of Truck Drivers Opinions on Safety and Traffic Control on Highway Work Zones Volume II Final Report
    Analysis of Truck Drivers' Opinions on Safety and Traffic Control on Highway Work Zones - Volume II - Final Report
    Benekohal, Rahim F ;
    Resende, Paolo T.V.
    1995-12-01 | PDF
    This study was conducted to determine the truck drivers' travel characteristics, concerns about work zone traffic control devices, assessment of work zone features, as well as to determine the location of accidents and bad driving situations based on the experiences and perceptions of truck drivers. A statewide survey of semi-truck drivers was cond ...
  • Analysis of Truck Drivers Opinions on Safety and Traffic Control on Highway Work Zones Volume I Summary of Findings Final Report
    Analysis of Truck Drivers' Opinions on Safety and Traffic Control on Highway Work Zones - Volume I - Summary of Findings - Final Report
    Benekohal, Rahim ;
    Shim, Eunjae
    1995-12-01 | PDF
    This study was conducted to determine the truck drivers' travel characteristics, concerns about work zone traffic control devices, assessment of work zone features, as well as to determine the location of accidents and bad driving situations based on the experiences and perceptions of truck drivers. A statewide survey of semi-truck drivers was cond ...
  • Early strength prediction of concrete based on accelerated curing methods final report
    Early strength prediction of concrete based on accelerated curing methods : final report.
    Rabalais, Nick
    1995-12-01 | PDF
    Concrete mix designs and components may currently be changed during the course of a project. The possible negative effects of such changes on concrete strength, are not determined under the current plant control/project control process. Also, the current La. DOTD specification for acceptance of concrete is based on 28 day compressive strength, but ...
  • Compatibility of aggregate asphalt cement and antistrip materials final report
    Compatibility of aggregate, asphalt cement and antistrip materials : final report.
    Paul, Harold R.
    1995-12-01 | PDF
    Studies undertaken for the FHWA revealed a significant moisture damage problem in Louisiana hot mix pavements. At that time an antistrip additive from a qualified products list was required at the set rate of 0.5 percent weight of asphalt cement. The additives were qualified with the subjective ten minute boil test. No provision was made to test th ...
  • Montana Airport Multimodal Study Part I Methods and Results
    Montana Airport Multimodal Study: Part I Methods and Results
    Sylvester, James T. ;
    Polzin, Paul E.
    1995-11-30 | PDF
    This study examines the representative Montanans' awareness of multimodal transportation opportunities and looks at their usage of airports in the Montana economy. This study is based on a random survey of 1225 Montana households.
  • Statewide Transportation Improvement Program Metropolitan Planning Organizations Transportation Management Areas TMAs FY 19961998 Volume 2 of 3
    Statewide Transportation Improvement Program Metropolitan Planning Organizations Transportation Management Areas (TMAs) FY 1996-1998 Volume 2 of 3
    Texas. Transportation Commission
    1995-11-30 | PDF
    The transportation improvement program shall include the following: “(A) A priority list of projects and project segments to be carried out within each 3-year period after the initial adoption of the transportation improvement program. “(8) A financial plan that demonstrates how the transportation improvement program can be implemented, indicates r ...
  • Abilene Metropolitan Area Transportation Improvement Program Fiscal Years 19961998
    Abilene Metropolitan Area Transportation Improvement Program Fiscal Years 1996-1998
    Texas. Dept. of Transportation
    1995-11-30 | PDF
    This document contains a prioritized list of surface transportation improvement projects which are expected to begin in the next three years. These projects are planned to develop, improve, and maintain an integrated transportation system for the Abilene Metropolitan Area. The program is intended to efficiently use resources to improve the mobility ...
  • Laser Vehicle DetectorClassifier
    Laser Vehicle Detector-Classifier
    Wangler, Richard
    1995-11-28 | PDF
    This report describes a diode-laser-based vehicle detector and classifier (VDAC) developed under the Innovations Deserving Exploratory Analysis (IDEA) program. The VDAC uses a scanning laser rangefinder to measure three-dimensional vehicle profiles that can be used for accurate vehicle classification. The narrow laser beam width permits the detecti ...
  • Adaptive Filtering for Advanced Vehicle Control
    Adaptive Filtering for Advanced Vehicle Control
    Ray, Laura R.
    1995-11-10 | PDF
    This Innovations Deserving Exploratory Analysis (IDEA) project bridges the gap between proposed Intelligent Transportation System (ITS) decision-making methods and the proposed Advanced Vehicle Control System (AVCS) by providing numerical techniques for determining information necessary to make and implement intelligent driving decisions. The resul ...
  • Concessions of busways to the private sector the Sao Paulo Metropolitan Region experience
    Concessions of busways to the private sector : the Sao Paulo Metropolitan Region experience
    Rebelo, Jorge M. ;
    Benvenuto, Pedro P.
    1995-11-01 | PDF
    The Sao Paulo Metropolitan Region (SPMR), with 8000 sq. km, has 16 million inhabitants spread irregularly over 39 individual municipalities which are dominated by the Sao Paulo Municipality (SPM) with 8.5 million inhabitants. With approximately 16,000 buses in the SPMR (of which 12,000 in the SPM), competition for urban road space between buses and ...
  • Development of Gridded Mobile Source Emission Estimates for Jefferson Orange and Hardin Counties FY93 FY96 and FY99 in Support of the COAST Project
    Development of Gridded Mobile Source Emission Estimates for Jefferson, Orange and Hardin Counties FY93, FY96, and FY99 in Support of the COAST Project
    Knowles, William E. ;
    Dresser, George B.
    1995-11-01 | PDF
    This report documents the methodology used to develop the Jefferson, Orange, and Hardin Counties gridded mobile source emissions inventories. Included in the report are an overview of the emission estimation methodology and the 24-hour traffic assignments used in the analyses; the methods used to estimate the seasonally adjusted time-of-day vehicle ...
  • Investigation of Corrosion Protection Systems for Bridge Stay Cables Corrosion Protection for PostTension Tendons and Cable Stay Systems
    Investigation of Corrosion Protection Systems for Bridge Stay Cables. Corrosion Protection for Post-Tension Tendons and Cable Stay Systems
    Breen, John E. ;
    Frank, Karl H.
    1995-11-01 | PDF
    The use of cable-stayed bridges in medium- and long-span applications in the United States has increased significantly in the past ten years. Of paramount importance with this type of bridge is the protection of the stay cables from corrosive elements. An extensive survey, reported herein, showed a general concern over the adequacy of the corrosion ...
  • Traffic safety outlook health careinjury control
    Traffic safety outlook : health care/injury control
    United States. Department of Transportation
    1995-11-01 | PDF
    This one page brochure announces Secretary of Transportation Federico Peqa'sgoals to increase seatbelt use and curb impaired driving, thus bringing downthe medical costs of accidents to the American public.
  • Ejection Mitigation Using Advanced Glazing A Status Report
    Ejection Mitigation Using Advanced Glazing: A Status Report
    United States. Department of Transportation. National Highway Traffic Safety Administration
    1995-11-01 | PDF
    The National Highway Traffic Safety Administration (NHTSA) published two AdvanceNotices of Proposed Rulemaking in 1988 announcing that the agency was consideringmaking a proposal of requirements for passenger vehicles intended to reduce therisk of ejections in crashes where the side protection of the vehicle was arelevant factor. Numerous comments ...
  • Multiple Attribute Evaluation of Auditory Warning Signals for InVehicle Crash Avoidance Warning Systems
    Multiple Attribute Evaluation of Auditory Warning Signals for In-Vehicle Crash Avoidance Warning Systems
    Tan, A.K. ;
    Lerner, N.D.
    1995-11-01 | PDF
    This research was directed at optimizing the auditory warnings that may be used in future crash avoidance warning applications. There is a need to standardize such warnings, so that they retain immediacy of meaning across various vehicles, situations, and hazards. The current findings contribute to an empirical basis upon which such decisions can b ...
  • Multimodal system planning technique an analytical approach to peak period operation
    Multimodal system planning technique : an analytical approach to peak period operation
    Walters, C. H. ;
    Lomax, T. J.
    1995-11-01 | PDF
    The multimodal system planning technique described in this report is an improvement of the methodology used in the Dallas System Planning Study. The technique includes a spreadsheet-based process to identify the costs of congestion, construction, and operation of transportation alternatives for a corridor. There are also several steps before and af ...
  • Disentangling Regulatory Policy The Effects of State Regulations on Trucking Rates
    Disentangling Regulatory Policy: The Effects of State Regulations on Trucking Rates
    Daniel TP ;
    Kleit AN
    1995-11-01
    Study attempts to estimate the independent effect on transportation prices from different types of economic regulations: rate regulations, entry restrictions and the providion of antitrust immunity for decisions made jointly by competitors. The study extimates the relationship between intrastate trucking rates and three different types of state lev ...
  • IH35 Ben White Boulevard to Williamson Creek Drainage Tunnel Report Regarding the Concept Development
    IH-35 – Ben White Boulevard to Williamson Creek Drainage Tunnel: Report Regarding the Concept Development
    Laughton, Christopher ;
    Nelson, Priscilla P.
    1995-11-01 | PDF
    This document summarizes the construction and design concepts developed to support the layout and subsurface geotechnical characterization associated with a system of water transport structures planned to provide for drainage of the new 1-35 and Ben White Interchange. The drainage system will consist of a set of vertical drop shafts, in soils and b ...
  • Design Concepts for a Miniature Pavement GPR Antenna
    Design Concepts for a Miniature Pavement GPR Antenna
    Nguyen, Cam ;
    Lau, Chun Lok
    1995-11-01 | PDF
    The existing horn antennas used in commercial pavement ground penetrating radar (GPR) systems are based on 20-year-old technology and design concepts. In recent years rapid advances have been made in designing planner miniature antennas. In this study a prototype antenna has been designed and tested in the laboratory. The preliminary results indica ...
  • Motorist Understanding of Alternative Designs for Traffic Signs
    Motorist Understanding of Alternative Designs for Traffic Signs
    Picha, Dale L. ;
    Hawkins Jr, H Gene
    1995-11-01 | PDF
    This report describes a series of evaluations in which ten traffic control devices were evaluated by a total of 978 participants. The traffic control devices evaluated in the project include one regulatory sign, six warning signs, and three other types of signs. The evaluations included four focus group meetings with a total of 19 participants eval ...
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