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Statistical reports and data on US transportation systems, including their impacts on the economy, society and the environment. For more content, visit the Bureau of Transportation Statistics website: https://www.bts.gov. Bookmark this collection: https://rosap.ntl.bts.gov/collection_bts_products or https://doi.org/10.21949/1530822.

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Showing 1761 - 1780 of 2560 results
  • New and Existing Roadway Inventory Data Acquisition Methods
    New and Existing Roadway Inventory Data Acquisition Methods
    Khattak, Aemal J. (Aemal Jan), 1964- ;
    Hummer, Joseph E.
    2000-12-01 | Journal of Transportation and Statistics | PDF
    A number of agencies collect roadway inventory data using the traditional manual method. Representing an advancement in roadway inventory data collection, mobile mapping systems use state-of-the-art imaging, georeference, and software technologies to collect data and are emerging as an alternative to the manual method. To gain an in-depth understan ...
  • Pocket Guide to Transportation 2000
    Pocket Guide to Transportation 2000
    United States. Department of Transportation. Bureau of Transportation Statistics
    2000-12-01 | Pocket Guide to Transportation | PDF
    The Bureau of Transportation Statistics compiled the data in this guide from multiple sources. The guide is divided into five sections and a glossary: (1) Transportation System Extent and Use, (2) Transportation and Safety, (3) Mobility, (4) Transportation and the Economy, (5) Transportation, Energy, and the Environment, and (6) Glossary /Abstract ...
  • Africa Road Safety Review Final Report
    Africa Road Safety Review: Final Report
    Jacobs, G. ;
    Aeron-Thomas, A.
    2000-12-01 | PDF
    A number of studies of road crashes worldwide (Jacobs et al, 2000) carried out by TRL in recent years have shown that the road safety situation throughout the African continent is one of the worst in the world. With approximately only 4 per cent of the world's motor vehicles, its road fatality share is 2 1/2 times greater (10%). In several African ...
  • Efficiency Measures and Output Specification The Case of European Railways
    Efficiency Measures and Output Specification: The Case of European Railways
    Cantos, P ;
    Pastor, JM
    2000-12-01 | Journal of Transportation and Statistics | PDF
    This study analyzes the sensitivity of the efficiency indicators of a sample of European railway companies to different alternatives in output specification. The results vary according to the specification selected. Investigating the causes of these differences reveals that the efficiency indicators obtained with different specifications can be bro ...
  • Household Survey Results November 2000
    Household Survey Results November 2000
    United States. Department of Transportation. Bureau of Transportation Statistics
    2000-11-01 | Omnibus Surveys | PDF
    The Bureau of Transportation Statistics (BTS)—the federal statistical agency for the United States Department of Transportation (USDOT) charged with improving the knowledge base for public decision making—coordinates the Omnibus Survey program. The survey is a ONEDOT effort to collect information about the transportation system, how it is used, and ...
  • Transportation Indicators November 2000
    Transportation Indicators: November 2000
    United States. Department of Transportation. Bureau of Transportation Statistics
    2000-11-01 | Multimodal Transportation Indicators | PDF
    This report provides timely and easily accessible information for the transportation community. It was developed by the Bureau of Transportation Statistics (BTS) of the U.S. Department of Transportation (DOT), and is updated every two months on the BTS website. The indicators fall under two broad categories: those that provide context about the eco ...
  • Household Survey Results October 2000
    Household Survey Results October 2000
    United States. Department of Transportation. Bureau of Transportation Statistics
    2000-10-01 | Omnibus Surveys | PDF
    The Bureau of Transportation Statistics (BTS)—the federal statistical agency for the United States Department of Transportation (USDOT) charged with improving the knowledge base for public decision making—coordinates the Omnibus Survey program. The survey is a ONEDOT effort to collect information about the transportation system, how it is used, and ...
  • Transportation Indicators October 2000
    Transportation Indicators: October 2000
    United States. Department of Transportation. Bureau of Transportation Statistics
    2000-10-01 | Multimodal Transportation Indicators | PDF
    This report provides timely and easily accessible information for the transportation community. It was developed by the Bureau of Transportation Statistics (BTS) of the U.S. Department of Transportation (DOT), and is updated every two months on the BTS website. The indicators fall under two broad categories: those that provide context about the eco ...
  • Safety in Numbers Using Statistics to Make the Transportation System Safer Safety Data Action Plan
    Safety in Numbers: Using Statistics to Make the Transportation System Safer: Safety Data Action Plan
    United States. Department of Transportation. Bureau of Transportation Statistics
    2000-09-13 | PDF
    Deaths and injuries are a major cost in transportation. Transportation fatalities rank third as the cause of lost years of life in the U.S. (behind heart disease and cancer. But the Department of Transportation has not yet responded to this public health threat by developing data programs as capable as those used in the federal medical community. T ...
    Supporting Files
  • Journal of Transportation and Statistics Volume 3 Number 2 September 2000 Special Issue on the Statistical Analysis and Modeling of Automotive Emissions
    Journal of Transportation and Statistics: Volume 3, Number 2: September 2000: Special Issue on the Statistical Analysis and Modeling of Automotive Emissions
    United States. Department of Transportation. Bureau of Transportation Statistics
    2000-09-01 | Journal of Transportation and Statistics | PDF
    The Journal of Transportation and Statistics (JT&S) was a periodically issued journal (from 1998 to 2014) that served the transportation community by increasing the understanding of the role of transportation in society, its function in the economy, and its interactions with the environment. In addition, the JT&S provided a forum for the latest dev ...
    Supporting Files
  • Validation of the Measure Automobile Emissions Model A Statistical Analysis
    Validation of the Measure Automobile Emissions Model: A Statistical Analysis
    Bachman, William ;
    Fomunung, Ignatius
    2000-09-01 | Journal of Transportation and Statistics | PDF
    The Mobile Emissions Assessment System for Urban and Regional Evaluation (MEASURE) model provides an external validation capability for hot stabilized option; the model is one of several new modal emissions models designed to predict hot stabilized emission rates for various motor vehicle groups as a function of the conditions under which the vehic ...
  • Statistical Analysis and Model Validation of Automobile Emissions
    Statistical Analysis and Model Validation of Automobile Emissions
    Schulz, Daniel ;
    Younglove, Theodore
    2000-09-01 | Journal of Transportation and Statistics | PDF
    The article discusses the development of a comprehensive modal emissions model that is currently being integrated with a variety of transportation models as part of National Cooperative Highway Research Program project 25-11. Described is the second-by-second engine-out and tailpipe emissions data collection on 340 light duty vehicles that were tes ...
  • The Use of Mixed Effects ANCOVA to Characterize Vehicle Emission Profiles
    The Use of Mixed Effects ANCOVA to Characterize Vehicle Emission Profiles
    Deaton, Michael L. ;
    Winebrake, James J.
    2000-09-01 | Journal of Transportation and Statistics | PDF
    A mixed effects analysis of covariance model to characterize mileage dependent emissions profiles for any given group of vehicles having a common model design is used in this paper. These types of evaluations are used by the U.S. Environmental Protection Agency to certify whether or not new models conform to existing emissions standards. The statis ...
  • Validity of Chase Car Data Used in Developing Emissions Cycles
    Validity of Chase Car Data Used in Developing Emissions Cycles
    Morey, Jennifer E. ;
    Limanond, Thirayoot
    2000-09-01 | Journal of Transportation and Statistics | PDF
    Air quality policies, driving cycles and profiles of average driving behavior have been constructed to characterize the driving behavior of the overall fleet in an effort to ensure vehicle compliance. Chase car data and speed-time profiles of in-use vehicles recorded using a chase car method are used to build the cycles. The acceptability of using ...
  • Household Survey Results September 2000
    Household Survey Results September 2000
    United States. Department of Transportation. Bureau of Transportation Statistics
    2000-09-01 | Omnibus Surveys | PDF
    The Bureau of Transportation Statistics (BTS)—the federal statistical agency for the United States Department of Transportation (USDOT) charged with improving the knowledge base for public decision making—coordinates the Omnibus Survey program. The survey is a ONEDOT effort to collect information about the transportation system, how it is used, and ...
  • Some Issues in the Statistical Analysis of Vehicle Emissions
    Some Issues in the Statistical Analysis of Vehicle Emissions
    Wenzel, Tom ;
    Singer, Brett C.
    2000-09-01 | Journal of Transportation and Statistics | PDF
    Some of the issues complicating the statistical analysis of vehicle emissions and the effectiveness of emissions control programs are presented in this article. Issues discussed include: the variability of inter- and intra-vehicle emissions; the skewness of emission distribution from in use vehicles; the difficulty of obtaining statistically repres ...
  • Transportation Indicators September 2000
    Transportation Indicators: September 2000
    United States. Department of Transportation. Bureau of Transportation Statistics
    2000-09-01 | Multimodal Transportation Indicators | PDF
    This report provides timely and easily accessible information for the transportation community. It was developed by the Bureau of Transportation Statistics (BTS) of the U.S. Department of Transportation (DOT), and is updated every two months on the BTS website. The indicators fall under two broad categories: those that provide context about the eco ...
  • Journal of Transportation and Statistics Volume 3 Number 3 December 2000
    Journal of Transportation and Statistics: Volume 3, Number 3: December 2000
    United States. Department of Transportation. Bureau of Transportation Statistics
    2000-09-01 | Journal of Transportation and Statistics | PDF
    The Journal of Transportation and Statistics (JT&S) was a periodically issued journal (from 1998 to 2014) that served the transportation community by increasing the understanding of the role of transportation in society, its function in the economy, and its interactions with the environment. In addition, the JT&S provided a forum for the latest dev ...
    Supporting Files
  • A Framework for Modeling InUse Deterioration of LightDuty Vehicle Emissions Using MOBILE6
    A Framework for Modeling In-Use Deterioration of Light-Duty Vehicle Emissions Using MOBILE6
    Enns, Phil
    2000-09-01 | PDF
    The Mobile Source Emission Factor Model used to estimate the inventory of exhaust and evaporative emissions from on-road motor vehicles is currently being revised by the U.S. Environmental Protection Agency. The framework used in calculating basic exhaust emission rates as a function of accumulated vehicle mileage is described. The revised MOBILE6 ...
  • Intermodal Bottleneck Evaluation Tool IBET
    Intermodal Bottleneck Evaluation Tool (IBET)
    United States. Department of Transportation. Bureau of Transportation Statistics  ...
    2000-09-01 | XLS
    The Bureau of Transportation Statistics in partnership with the U.S. Department of Transportation's Office of Intermodalism and the Federal Highway Administration sponsored the development of an Intermodal Bottleneck Evaluation Tool (IBET) to provide information and assist transportation planners and policymakers in identifying potential freight bo ...
    Supporting Files
1761 - 1780 / 2560