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Revision Log

This document contains the transmittal memos dating to 1996.

The following log summarizes the changes made to the manual since 2005.

DateTransmittal Chapter Description
July 201820185New section 5.4.6 and other minor updates
February 20181, 12Minor updates throughout, expanded Section 1.3 on Risk.
December 20141610Minor updates throughout, added Section 10.3.8 on Non-Destructive Evaluation.
January 2014151, 3, 4, 6, 7, 9, 12Updated Sections 1.1.4, 1.1.5, 1.2.5, 1.4.1, 4.3, 4.6 to 4.9, 7.1, 7.3 to 7.5 and much of Chapter 9. Formatting changes, typo fixes, link updates, and units rearranged as US Customary [Metric] was accomplished in all chapters.
January 2014*-2, 3A, 5, 5A, 8, 10, 11, 13Formatting changes, typos fixed, link updates, and units rearranged as US Customary [Metric]
March 200814AllPDDM completely rewritten. Additional chapters for Pavements (Chapter 11) and Right-of-Way (Chapter 12) added.
June 200513AllPrevious edition of PDDM converted to dual units (Metric and US Customary). Minor corrections made. Hyperlinks added.
*  Minor change. Date not changed in file.