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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 1741 - 1760 of 2527 results
  • Airport Activity Statistics of Certificated Air Carriers Summary Tables Twelve Months Ending December 31 1999
    Airport Activity Statistics of Certificated Air Carriers: Summary Tables: Twelve Months Ending December 31, 1999
    United States. Department of Transportation. Bureau of Transportation Statistics
    2001-01-01 | Airport Activity Statistics of Certificated Air Carriers | PDF
    The Bureau of Transportation Statistics (BTS) Airport Activity Statistics of Certificated Air Carriers: Summary Tables presents summary data for all scheduled and nonscheduled service by large certificated U.S. air carriers including the volume of passenger, freight, and mail enplanements, and aircraft departures for each airport served each year. ...
  • Vehicle Speed Considerations in Traffic Management Development of a New Speed Monitoring Program
    Vehicle Speed Considerations in Traffic Management: Development of a New Speed Monitoring Program
    Karlaftis, MG ;
    Sinha, KC
    2000-12-01 | Journal of Transportation and Statistics | PDF
    The federal speed monitoring program, established in 1974 and repealed in 1995, was primarily intended to provide reliable data for inclusion in states' annual certification for Federal Aid Highway Projects. The repeal of the program not only authorized states to set their own speed limits but also allowed them to develop their own speed monitoring ...
  • Valuing LongHaul and Metropolitan Freight Travel Time and Reliability
    Valuing Long-Haul and Metropolitan Freight Travel Time and Reliability
    Wigan, M ;
    Rockliffe, N
    2000-12-01 | Journal of Transportation and Statistics | PDF
    Most evaluations and economic assessments of transportation proposal and policies in Australia omit a valuation of time spent in transit for individual items or loads of freight. Knowledge of delays and the practical value of reliability can be useful for shippers and receivers, but the information does not necessarily appear directly in vehicle op ...
  • Regularities in Travel Demand An International Perspective
    Regularities in Travel Demand: An International Perspective
    Schafer, A
    2000-12-01 | Journal of Transportation and Statistics | PDF
    The major mobility variables from about 30 travel surveys in more than 10 countries are compared in this paper. The analysis of cross-sectional and longitudinal data broadly confirms some earlier findings of regularities in time and money expenditures shares for passenger travel budgets. Despite the rather rough stability, travel demand characteris ...
  • Behavioral Distinctions The Use of LightDuty Trucks and Passenger Cars
    Behavioral Distinctions: The Use of Light-Duty Trucks and Passenger Cars
    Kockelman, KM ;
    Zhao, Y
    2000-12-01 | Journal of Transportation and Statistics | PDF
    Pickup trucks, sport utility vehicles (SUVs), and minivans are classified as light duty trucks (LDTs) in the United States, resulting in a variety of regulatory protections. According to production and purchase trends, Americans have shifted toward a significantly higher use of such vehicles for personal travel. This research explores the subtle di ...
  • Transportation Statistics Annual Report 2000
    Transportation Statistics Annual Report 2000
    United States. Department of Transportation. Bureau of Transportation Statistics
    2000-12-01 | Transportation Statistics Annual Report (TSAR) | PDF
    The Transportation Statistics Annual Report (TSAR) is a Congressionally mandated publication with wide distribution. The TSAR provides the most comprehensive overview of U.S. transportation that is done on an annual basis. TSAR examines the extent of the system, how it is used, how well it works, how it affects people and the economy, and how it re ...
  • Transportation Indicators December 2000
    Transportation Indicators: December 2000
    United States. Department of Transportation. Bureau of Transportation Statistics
    2000-12-01 | 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 ...
  • 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 ...
1741 - 1760 / 2527