TRB's National Cooperative Highway Research Program (NCFRP) Report 35: Implementing the Freight Transportation Data Architecture: Data Element Dictionary provides the findings of the research effort to develop a freight data dictionary for organizing the myriad freight data elements currently in use.
A product of this research effort is a web-based freight data element dictionary hosted by the U.S. Department of Transportation’s Bureau of Transportation Statistics (BTS).
The project web page includes a link to supporting appendices not printed with the report.
Table of Contents
|Chapter 1 - Background||1-3|
|Chapter 2 - The Web-Based Freight Data Element Dictionary||4-9|
|Chapter 3 - Freight Data Uses||10-25|
|Chapter 4 - Inventory of Freight Data Sources, Dictionaries, and Glossary Terms||26-33|
|Chapter 5 - Classifying Data Elements Across Databases||34-42|
|Chapter 6 - Differences in Data Element Definitions||43-91|
|Chapter 7 - Resolving Differences in Data Element Definitions||92-129|
|Chapter 8 - Conclusions and Suggested Future Steps||130-133|
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