Accounting for Commercial Vehicles in Urban Transportation Models: Summary Report
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Accounting for Commercial Vehicles in Urban Transportation Models: Summary Report

Filetype[PDF-486.80 KB]


English
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  • Corporate Creators:
    Cambridge Systematics, Inc.
  • Contributors:
  • Corporate Contributors:
    United States. Department of Transportation. Federal Highway Administration
  • Subject/TRT Terms:
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    United States
  • Corporate Publisher:
    Cambridge Systematics
  • Abstract:
    In October 2002, the Federal Highway Administration began a research project to evaluate the magnitude and distribution of commercial vehicles in urban transportation planning models. The research was designed to look at all travel that is not adequately represented by the current state-of-the-practice for urban transportation planning models. This report summarizes the project. The report contains eight sections. Section 2.0 presents a summary of the literature review. Section 3.0 details the definition of the term "commercial vehicles" and summarizes the commercial vehicles categories established for this study. Section 4.0 describes the data sources evaluated for this study. There are five general types of data reviewed for this study: commercial vehicle surveys, vehicle registration data, vehicle count data, category-specific data sources, and data from individual contacts. Section 5.0 presents the results of the process to quantify the magnitude and distribution of commercial vehicles. The results of the analysis from the combined data sources are analyzed by category, urban area, time period, and facility type. Section 6.0 presents the methods for estimating and forecasting commercial vehicles travel and briefly summarized the three methods. Section 7.0 presents the data available for calibration and validation of commercial vehicle models. These data are divided into three groups: registration records, vehicle miles of travel (VMT), and vehicle classification counts. Each is described in a separate subsection and its applicability for calibrating and validating commercial vehicles is discussed. Finally, Section 8.0 presents recommendations for future research.
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