PDDM Revision Log

The following log details all changes made to the manual since 2005. See the Archives for changes made to previous versions of the PDDM.

Date Transmittal Chapter & Section Description
March 2008 14 All PDDM completely rewritten. Additional chapters for Pavements (Chapter 11) and Right-of-Way (Chapter 12) added.
June 2005 13 All Previous edition of PDDM converted to dual units (Metric and US Customary). Minor corrections made. Hyperlinks added.