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Showing 27161 - 27180 of 35628 results
  • Effective Traffic Calming Applications and Implementation
    Effective Traffic Calming Applications and Implementation
    Saffel, A. J.
    1998-10-01 | PDF
    Traffic calming alters the appearance or geometry of a roadway in an attempt to reduce traffic volumes and speeds. This report will assist engineers with the evaluation, implementation, and application processes as they relate to traffic calming. It provides a "toolbox" containing purpose, cost, pros and cons, and effectiveness of various applicati ...
  • Using linked data to evaluate traumatic brain injuries in New Mexico Crash Outcome Data Evaluation System CODES linked data demonstration project
    Using linked data to evaluate traumatic brain injuries in New Mexico : Crash Outcome Data Evaluation System (CODES) linked data demonstration project
    Castle, S. P. ;
    Woods, Brian D.
    1998-10-01 | PDF
    The 1995 crude mortality rate of physician diagnosed traumatic brain injury (TBI) in the New Mexico is estimated to be 21 deaths per 100,000 population and the crude incidence of both hospitalized and fatal TBI is 110 cases per 100,000 population (1,856 TBI cases). This is elevated above a 1992 published figure for the national TBI fatality rate of ...
  • Methodology for determining economic impacts of raised medians data collection for additional case studies
    Methodology for determining economic impacts of raised medians : data collection for additional case studies
    Eisele, W. L. ;
    Frawley, W. E.
    1998-10-01 | PDF
    The objective of this four-year resaerch effort is to develop and test a methodology to estimate the economic impact of median design. This report summarizes the work performed in the second year. The secnd year of this study included collecting data from 10 additional case study locations from around the state of texas. Four of these case studies ...
  • 4D drivethrough visualization of I280 for review of proposed signing
    4-D drive-through visualization of I-280 for review of proposed signing.
    Consolazio, G. R.
    1998-10-01 | PDF
    The primary objective of this work was to produce a simulated 4D drive-through of a portion of highway(I-280 throughNewark, NJ) for which proposed traffic-generator signing had to be reviewed. A 4D visualization was produced that combined 3Dgeometry rendering with the time element. Using the simulated drive-through, reviewers (from NJDOT traffic-en ...
  • Vehicle impact simulation for curb and barrier design volume 1 impact simulation procedures
    Vehicle impact simulation for curb and barrier design : volume 1, impact simulation procedures.
    Consolazio, G. R. ;
    Chung, J. H.
    1998-10-01 | PDF
    The objectives of this study were to perform computer simulations of vehicle-curb and vehicle-berm impacts, to characterizethe behavior of a wide range of vehicle types after such impacts, and to produce design and evaluation trajectory data for use byNJDOT engineers. The impact simulations performed involved a wide variety of vehicle types and sev ...
  • Direct observation of safety belt use in Michigan Fall 1998
    Direct observation of safety belt use in Michigan : Fall 1998
    Eby, D. W. ;
    Olk, M. L.
    1998-10-01 | PDF
    Reported here are the results of a direct observation survey of safety belt use conducted in the fall of 1998. In this study, 11,413 occupants traveling in four vehicle types (passenger cars, sport utility vehicles, vans/minvans, and pickup trucks) were surveyed during September 3-24, 1998. Belt use was estimated for all vehicle types combined (the ...
  • Using linked data to evaluate hospital charges for motor vehicle crash victims in Pennsylvania Crash Outcome Data Evaluation System CODES linked data demonstration project
    Using linked data to evaluate hospital charges for motor vehicle crash victims in Pennsylvania : Crash Outcome Data Evaluation System (CODES) linked data demonstration project
    Allen, M. ;
    Weiss, H.
    1998-10-01 | PDF
    The report uses police-reported crash data that have been linked to hospital discharge data to evaluate charges for hospital care provided to motor vehicle crash victims in Pennsylvania. Approximately 17,000 crash victims were hospitalized in Pennsylvania in 1994, and approximately $350 million in hospital charges were incurred for these crash vict ...
  • Using linked data to evaluate collisions with fixed objects in Pennsylvania Crash Outcome Data Evaluation System CODES linked data demonstration project
    Using linked data to evaluate collisions with fixed objects in Pennsylvania : Crash Outcome Data Evaluation System (CODES) linked data demonstration project
    Allen, M. ;
    Weiss, H.
    1998-10-01 | PDF
    This report uses police-reported motor vehicle crash data linked to Emergency Medical Services data and hospital discharge data to evaluate the relative risk of injury posed by specific roadside objects in Pennsylvania. The report focuses primarily on trees and utility poles. Measures of risk include police-reported injury, EMS reported injury and ...
  • Maritime security report October 1998 US international crime control strategy
    Maritime security report. October 1998 [U.S. international crime control strategy]
    United States. Department of Transportation. Maritime Administration
    1998-10-01 | PDF
    To coordinate all relevant Federal agencies, the International Crime Control Strategy (ICCS) was developed. The ICCS is intended to provide a framework for integrating all facets for the Federal response to the direct and immediate threat international crime presents to the national security interests of the United States. The purpose of this Marit ...
  • Evaluating improvements in landside access for airports
    Evaluating improvements in landside access for airports.
    Hoel, Lester A. ;
    Shriner, Heather W.
    1998-10-01 | PDF
    The purpose of this research was to describe the elements that comprise airport access and develop a methodology for identifying and evaluating existing landside access performance and proposed improvements from a passenger perspective. The scope was limited to landside access service between approaches to the airport and the entrance to the termin ...
  • Recommendations for Highway Construction Maintenance and Service Equipment Warning Lights and Pavement Data Collection System Safety
    Recommendations for Highway Construction, Maintenance, and Service Equipment Warning Lights and Pavement Data Collection System Safety
    Ullman, Gerald ;
    Ragsdale, John
    1998-10-01 | PDF
    This report presents the recommendations to improve the vehicle and equipment warning light policy for the Texas Department of Transportation, and improve the safety of the Department's pavement data collection activities. Research efforts include a nationwide survey of vehicle warning lights and pavement data collection procedures, a motorist surv ...
  • Investigation and development of a residencylevel geographic information system to support priority applications
    Investigation and development of a residency-level geographic information system to support priority applications.
    Brich, S. C. ;
    Fitch, G. M.
    1998-10-01 | PDF
    The primary responsibility of the Virginia Department of Transportation's (VDOT) Geographic Information Systems Lead Unit is to develop and implement the department's geographic information system (GIS). To fulfill this responsibility, the unit developed a new GIS strategic plan that outlines six implementation strategies, one of which is the "Impl ...
  • Report to Congress on the status of the public ports of the United States 1996 1997
    Report to Congress on the status of the public ports of the United States : 1996 - 1997
    United States. Department of Transportation. Maritime Administration
    1998-10-01 | PDF
    This Report to Congress on the Status of the Public Ports of the United States, covering calendar years 1996 and 1997, discusses the U.S. public port industry's economic activities and the critical issues facing it. The first section provides an overview of the U.S. public port industry. The second section discusses key issues facing the industry. ...
  • Improved employment data for transportation planning
    Improved employment data for transportation planning
    Souleyrette, Reginald ;
    Plazak, David
    1998-10-01 | PDF
    Transportation planners typically use census data or small sample surveys to help estimate work trips in metropolitan areas. Census data are cheap to use but are only collected every 10 years and may not provide the answers that a planner is seeking. On the other hand, small sample survey data are fresh but can be very expensive to collect. This pr ...
  • Performance of Continuously Reinforced Concrete Pavements Volume V Maintenance and Repair of CRC Pavements
    Performance of Continuously Reinforced Concrete Pavements, Volume V - Maintenance and Repair of CRC Pavements.
    Gagnon, J. S. ;
    Zollinger, D. G.
    1998-10-01 | PDF
    This report is one of a series of reports prepared as part of a National Pooled Funds study administered by the Federal Highway Administration (FHWA) aimed at updating the state of the art of the design, construction, maintenance, and rehabilitation of continuously reinforced concrete (CRC) pavements. The scope of work of the study included the fol ...
  • Design and Construction of PCC Pavements Volume II Design Features and Practices That Influence Performance of Pavements
    Design and Construction of PCC Pavements: Volume II: Design Features and Practices That Influence Performance of Pavements
    Owusu-Antwi, E. B. ;
    Titus-Glover, L.
    1998-10-01 | PDF
    A study has been conducted to evaluate and analyze Portland cement concrete (PCC) pavements in order to develop recommendations for the design and construction of long-lived concrete pavements. In involved a detailed evaluation and analysis of the PCC pavement data in the Long-Term Pavement Performance (LTPP) database using a variety of means to de ...
  • Accident models for twolane rural roads segments and intersections
    Accident models for two-lane rural roads : segments and intersections
    Vogt A ;
    Bared JG
    1998-10-01 | PDF
    This report is a direct step for the implementation of the Accident Analysis Module in the Interactive Highway Safety Design Model (IHSDM). The Accident Analysis Module is expected to estimate the safety of two-lane rural highway characteristics for existing and new projects. Several accident models are developed to estimate accident frequencies. T ...
  • Automated Route Evaluation of OverweightOversize Vehicles
    Automated Route Evaluation of Overweight/Oversize Vehicles
    Osegueda, Roberto A. ;
    Melchor-Lucero, Octavio
    1998-10-01 | PDF
    The Motor Carrier Division (MCD) of the Texas Department of Transportation (TxDOT) typically issues more than 45,000 permits each month for oversize and/or overweight vehicles. The current procedure for attending permit requests for superheavy vehicles is entirely manual and requires hundreds of man-hours. This report documents the efforts to imple ...
  • Feasibility of Freight Pipelines to Relieve Highway Congestion
    Feasibility of Freight Pipelines to Relieve Highway Congestion
    Goff, Zane A. ;
    Patil, Shekhar S.
    1998-10-01 | PDF
    Currently, Texas urban areas face congestion problems that diminish personal mobility and freight-transport productivity. The prospect of rural congestion in some highway corridors appears imminent, according to a recent Texas Department of Transportation study. An increasing number of experts suggest that separating freight traffic from passenger ...
  • Providing Advanced and RealTime TravelTraffic Information to Tourists
    Providing Advanced and Real-Time Travel/Traffic Information to Tourists
    Mahmassani, Hani S. ;
    Abdelghany, Ahmed S.
    1998-10-01 | PDF
    Advanced traveler information systems (ATIS) analyze and communicate information that can enhance travel efficiency, alleviate congestion, and increase safety. In Texas, tourists (i.e., tripmakers unacquainted with the state) constitute an important user group for ATIS. Given that tourism represents a sizable industry and, consequently, has an enor ...
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