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Published on June 14, 2011

Department of Transportation Codes- Most recently updated February 2011

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Date Published June 14, 2011
Category Technical Papers

This list has never been published in its entirety. The most comprehensive report of department of transportation codes available.

Data are sorted three ways -- alphanumerically by code;  alphabetically by company to which each plant is assigned;  and cross-referenced to show the top 20+ companies' plants grouped regionally.  The data include information on the status/history of plants no longer in operation but which still have an active DOT code.