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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 29841 - 29860 of 35440 results
  • Maintenance repair and rehabilitation unit costs for PONTIS
    Maintenance, repair, and rehabilitation unit costs for PONTIS.
    Wells, Dixie T.
    1995-01-01 | PDF
    In the summer of 1993, the Bridge Management Task Force chairman requested that the Virginia Transportation Research Council begin a study of the maintenance, repair, and rehabilitation unit costs needed for the operation of the Pontis system. Because Pontis provides networklevel analysis, implementing it requires a fundamental change in the busine ...
  • A review and update of the Virginia Department of Transportations cash flow forecasting model interim report
    A review and update of the Virginia Department of Transportation's cash flow forecasting model : interim report.
    Gillespie, James S. ;
    Kyte, Cheryl A
    1995-01-01 | PDF
    The Virginia Department of Transportation uses a cash flow forecasting model to predict operations expenditures by month. Components of this general forecasting model estimate line items in the VDOT budget. The cash flow model was developed in the early 1980's and has not been updated since 1988. This project involved reviewing and updating several ...
  • Evaluation of the use of live aerial video for traffic management
    Evaluation of the use of live aerial video for traffic management.
    Demetsky, Michael J
    1995-01-01 | PDF
    This report describes the evaluation of an intelligent transportation system (ITS) demonstration project in which live aerial video of traffic conditions was captured by a rotary wing aircraft operated by the Fairfax County (Virginia) Police Department. The video was transmitted to ground stations for use by Fairfax County and the Virginia Departme ...
  • An engineering study to update the Iowa Transportation Laws Annotated
    An engineering study to update the Iowa Transportation Laws Annotated.
    Feree, Dave ;
    Tymkowicz, Shane
    1995-01-01 | PDF
    No Description
  • Feasibility of applying cathodic protection to underground culverts final report
    Feasibility of applying cathodic protection to underground culverts : final report.
    Garber, J. D. ;
    Lin, J. H.
    1995-01-01 | PDF
    The Louisiana Department of Transportation and Development uses coated metal culverts throughout the state. Once placed, all coated metal culverts start to experience corrosion. The extent of corrosion taking place on these culverts range from slight to heavy depending upon many factors including the type and quality of the coating(s) and metal, ti ...
  • Research note field control of asphalt concrete paving mixtures
    Research note : field control of asphalt concrete paving mixtures.
    Oregon. Department of Transportation. Materials and Research Section
    1995-01-01 | PDF
    The goal of this study was to develop information and evaluate new methods for controlling quality of the AC mixture in the mat. Specifically, this research project evaluated a gyratory compactor in the field laboratory to determine mix quality. Specimens were prepared from companion mixture samples using both gyratory and kneading compaction. The ...
  • Research notes pavement markings using waterborne paint and Visibeads in Region 2
    Research notes : pavement markings using waterborne paint and Visibeads in Region 2.
    Oregon. Department of Transportation. Materials and Research Section
    1995-01-01 | PDF
    In order to address the problems associated with solvent-borne patins, ODOT Region 2 staff bought sufficient waterborne paint to place approximately 760 linear miles of stripes. This enabled the Region staff to evaluate state-of-the-art materials and painting equipment. The areas where the paint was applied cover five distinct geographic locations ...
  • Enhancement of SDDOTs Pavement Management System
    Enhancement of SDDOT's Pavement Management System
    Deighton, Richard ;
    Jackson, Newton C.
    1994-12-31 | PDF
    The consultant provided basic services and software to enhance the South Dakota DOT's (SDDOT) pavement management system (PMS). During the first step, the consultant examined SDDOT's existing support structure for their PMS including their documentation, systems, policies, and data collection procedures. The consultant then made recommendations as ...
  • Generic Vehicle Speed Models Based On Traffic Simulation Development and Application Revision 1
    Generic Vehicle Speed Models Based On Traffic Simulation: Development and Application (Revision #1)
    Margiotta, Richard ;
    Cohen, H. S. (Harry S.)
    1994-12-15 | PDF
    The findings of a research project to develop new methods of estimating speeds for inclusion in the Highway Performance Monitoring System (HPMS) Analytical Process are summarized. The paper focuses on the effects of traffic conditions excluding incidents (recurring congestion) on daily average speed and excess fuel consumption. A review of literatu ...
  • PCCAC Shoulder Joint Sealant Evaluation
    PCC/AC Shoulder Joint Sealant Evaluation
    Johnston, Dan
    1994-12-15 | PDF
    In July 1989 a test section of Dow Corning 890SL self-leveling silicone joint sealant was installed on Eastbound Interstate 90 near the Tilford Weigh Station. The application involved the routing and sealing of a 450-foot stretch of asphalt shoulder adjacent to the jointed plain PCC pavement. Two different vessel widths -2" and 1 ¼" -were used. Sea ...
  • Arkansas Statewide Transportation Improvement Program STIP Fiscal Years 1995 1997 October 1 1994 September 30 1997
    Arkansas' Statewide Transportation Improvement Program (STIP) Fiscal Years 1995 - 1997 (October 1, 1994 - September 30, 1997)
    Arkansas. State Highway Commission
    1994-12-02 | PDF
    The projects listed are for the program period from October 1, 1994 through September 30, 1997. Authorization may be requested for any phase of development (i.e., Preliminary Engineering, Right of Way, Utilities, or Construction) during F.Y.’s 1995- 1997. Authorization for pre-construction phases of development for projects scheduled for F.Y.’s 199 ...
  • Testing Notched Ends of Prestressed Concrete Box Beams Final Letter Report on Projects 1479 and 1340
    Testing Notched Ends of Prestressed Concrete Box Beams: Final Letter Report on Projects 1479 and 1340
    Kreger, Michael E.
    1994-12-01 | PDF
    Prestressed concrete box beams incorporated in a bridge project under construction in the Houston District encountered cracking in the notched (dapped) ends during fabrication. Because the members in question are trapezoidal in section and have internal voids, a similar problem could occur in any beam having a voided cross section and dapped ends. ...
  • A study of international airline code sharing
    A study of international airline code sharing
    GRA, Incorporated  ...
    1994-12-01 | PDF
    Most international airline service to and from the United States today is provided by network carriers that move passengers through their gateway airports. In some cases, a carrier will take passengers to a foreign gateway and turn them over to a foreign carrier for distribution to interior points. Until recently, much of the traffic destined for n ...
  • Washington State freight truck origin and destination study methods procedures and data dictionary
    Washington State freight truck origin and destination study : methods, procedures, and data dictionary
    Gillis, William R.,
    1994-12-01 | PDF
    The Washington State Department of Transportation (WSDOT)initiated a state-wide freight truck origin and destination study in April of 1993. A region-wide freight truck origin and destination study was first proposed in Washington as an element of the Eastern Washington Intermodal Transportation Study (EWITS). EWITS is a six-year ISTEA planning stu ...
  • Evaluation of MOBILE Vehicle Emission Model
    Evaluation of MOBILE Vehicle Emission Model
    Sierra Research (Firm)  ...
    1994-12-01 | PDF
    The U.S. Environmental Protection Agency's 'MOBILE' emission factors model is used by air quality planners to estimate emissions from on-road motor vehicles. The report was commissioned by the U.S. Department of Transportation to evaluate the structure and function of MOBILE, and to document the changes that occurred among model revisions. This con ...
  • Arizona state transportation plan
    Arizona state transportation plan
    Arizona. Dept. of Transportation
    1994-12-01 | PDF
    The purpose of this report is to present the first Arizona multimodal StateTransportation Plan (STP). This Plan includes all surface modes oftransportation: highways, railways, public transit, bicycles, andpedestrians. The Plan consideres linkages between the modes oftransportation facilities covered in the Plan. The State TransportationPlan has be ...
  • 1990 Nationwide Personal Transportation Survey Travel Mode Special Reports Based on Data from the 1990 Nationwide Personal Transportation Survey NPTS
    1990 Nationwide Personal Transportation Survey: Travel Mode Special Reports: Based on Data from the 1990 Nationwide Personal Transportation Survey (NPTS)
    Lave, Charles A. ;
    Ferguson, Erik
    1994-12-01 | Nationwide Personal Transportation Survey (NPTS) | PDF
    This document is one of three volumes that have been produced as a set, containing topical subject papers from the Nationwide Personal Transportation Survey, NPTS. These volumes represent something of a departure from standard approaches to reporting the NPTS. Traditionally, the survey results have been reporting in large volumes with an extensive ...
  • Transit Profiles Agencies in Urbanized Areas Exceeding 200000 Population For the 1993 National Transit Database Section 15 Report Year
    Transit Profiles: Agencies in Urbanized Areas Exceeding 200,000 Population - For the 1993 National Transit Database Section 15 Report Year
    Linton, Gordon J.
    1994-12-01 | PDF
    This publication consists of individual profiles for each reporting transit agency located in an urbanized area with a population exceeding 200,000. The data contained in each profile consists of general and summary reports, as well as modal, performance, and trend indicators for the 1993 Report Year. The 1993 Report Year includes transit agencies ...
  • MAG traffic generator study survey data from Arizona State University
    MAG traffic generator study : survey data from Arizona State University
    Hefferman & Associates
    1994-12-01 | PDF
    The Maricopa Association of Governments (MAG) is responsible for the travel demand models used to forecast multi-modal travel behavior in the Phoenix metropolitan area. The main campus of Arizona State University (ASU), located in Tempe, is one of the urban area's largest traffic generators. It has several unique characteristics that influence trav ...
  • Route monitoring program FY 1994
    Route monitoring program FY 1994
    Transit Authority of River City
    1994-12-01 | PDF
    In Fiscal Year 1994, the Transit Authority of River City (TARC) Kentucky's Research Department completed an on-board ride check of 32 routes. This data was collected and compiled to measure the effectiveness and efficiency of TARC Service on a route specific basis. The FY94 study was enlarged to collect data on additional routes due to anticipated ...
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