National Transportation Atlas Database (NTAD): Oak Ridge Commodity Flow 1995 Dataset
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National Transportation Atlas Database (NTAD): Oak Ridge Commodity Flow 1995 Dataset

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  • Corporate Creators:
  • Corporate Contributors:
    Oak Ridge National Laboratory
  • Subject/TRT Terms:
  • DOI:
  • Resource Type:
    Dataset
  • Geographical Coverage:
    United States
  • Corporate Publisher:
    United States. Department of Transportation. Bureau of Transportation Statistics
  • Abstract:
    The Oak Ridge Commodity Flow dataset is from the Oak Ridge National Laboratory (ORNL), and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics’ (BTS’) National Transportation Atlas Database (NTAD). The Oak Ridge Highway Planning Network is a database of major highways in the United States. It is a foundation for analytic studies of highway performance, for vehicle routing and scheduling problems, and for mapping purposes. The network is based on a set of roadways digitized from the National Atlas by the U.S. Geological Survey. It has been enhanced at Oak Ridge National Laboratory by adding additional roads and attribute detail and correcting topological errors to produce a true analytic network. This documentation is intended primarily to assist users of this database by describing its structure, data elements, and development.

    The total size of the zip file is 7.08 MB. The txt is a common text file, which can be opened with a basic text editor. The most common software used to open .txt files are Microsoft Windows Notepad, Sublime Text, Atom, and TextEdit (for more information on .txt files and software, please visit https://www.file-extensions.org/txt-file-extension). Shapefiles (.shp, .shx, and .dbf) can be opened with any GIS software program. An open-source software that can open most ESRI file types is QGIS https://www.qgis.org/en/site/. The pdf file format was developed by Adobe Systems and represents two-dimensional documents in a device-independent and resolution-independent format. There are PDF readers available on many platforms, such as Xpdf, Foxit, and Adobe's own Adobe Acrobat Reader. PDF readers/viewers or online services for basic functions are generally free (for more information on .pdf files and software, please visit https://www.file-extensions.org/pdf-file-extension). The file extension .md is among others related to texts and source codes in Markdown markup language. Markdown is a lightweight markup language, to write using an easy-to-read, easy-to-write plain text format, then convert it to structurally valid XHTML (or HTML) (for more information on .md files and software, please visit https://www.file-extensions.org/md-file-extension). File extension .json is associated to JavaScript Object Notation file format, a lightweight, text-based, language-independent data interchange format. JSON defines a small set of formatting rules for the portable representation of structured data. It is used by various applications as alternative option to XML file format. The data in a json file are stored in simple text file format and the content is viewable in any simple text editor (for more information on .json files and software, please visit https://www.file-extensions.org/json-file-extension).

  • Content Notes:
    National Transportation Library (NTL) Curation Note: This dataset has been curated to CoreTrustSeal's curation level "B. Logical-Technical Curation." To find out more information on CoreTrustSeal's curation levels, please consult their "Curation & Preservation Levels" CoreTrustSeal Discussion Paper" (https://doi.org/10.5281/zenodo.8083359). If, in the future, you have trouble accessing this dataset, please email NTLDataCurator@dot.gov describing your problem. NTL staff will do its best to assist you at that time.
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