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Manual Changes
November 2, 2012 6th Edition Manual Change Transmittal
Subject area: Table of Contents; List of Figures; Chapters: 60,80,300,600-620; and Index.
May 7, 2012 6th Edition Manual Change Transmittal (transmittal only)
May 7, 2012 6th Edition Manual Change Transmittal (complete package)
Subject area: Foreword; Table of Contents; List of Figures; List of Tables; Chapters: 10-640, 660-800, 820, 830, 850-870, 900-1100; and Index.
HDM Summary Changes of Significance contained in the change dated 05/07/2012.
September 28, 2011 6th Edition Manual Change Transmittal
Subject area: Table of Contents; Chapters: 60, 80, 300, and Index.
Errata August 1, 2011 6th Edition Manual Change Transmittal
Subject area: Table of Contents; List of Figures; List of Tables; Chapters: 700, 800, 810, 850, 870 and 880.
Errata October 4, 2010 6th Edition Manual Change Transmittal
Subject area: Foreward; Table of Contents; List of Figures; List of Tables; Chapters: 100, 200, 300, 500, 800 -850 and 870.
November 2, 2009 6th Edition Manual Change Transmittal
Subject area: Table of Contents; Chapters: 820, 830, 840, 850 and, Index.
Errata July 24, 2009 6th Edition Manual Change Transmittal
Subject area: Foreword; Table of Contents; List of Figures; List of Tables; Chapters: 60, 80, 100, 200, 300, 400, 500, 600, 800; 900 and 1000.
July 1, 2008 6th Edition Manual Change Transmittal
Subject area: Foreword; Table of Contents; List of Figures; List of Tables; Chapters: 60, 80, 100, 400, 600, 800; and, IndexJuly 1, 2008 5th Edition Manual Change Transmittal
Subject area: Foreword; Table of Contents; List of Figures; List of Tables; Chapters: 60, 80, 100, 400, 600, 800; and, Index
Errata 01/04/07 to HDM 6th Edition
Subject area: Chapters: 80, 200, 300, 400, 500, 800, 1000, 1100
September 01, 2006 HDM 6th Edition (WARNING: If you have a slow computer, Right-Click and Save As)
Subject area: Foreward; Table of Contents; List of Figures; List of Tables; Chapters: 10, 20, 40 60, 80, 100, 200, 300, 400, 500, 600, 610, 620, 630, 640, 650, 660, 670, 700, 800, 810, 820, 830, 840, 850, 860, 870, 880, 890, 900, 1000, 1100; and Index
June 26, 2006 Manual Change Transmittal #8 (WARNING: If you have a slow computer, Right-Click and Save As)
Subject area: Foreward; Table of Contents; List of Figures; List of Tables; Chapters: 10, 60, 80, 100, 200, 300, 400, 500, 600, 610, 620, 630, 640, 650, 660, 670, 700, 800, 810, 820, 830, 840, 850, 860, 870, 900, 1000, 1100; and Index
December 20, 2004 Errata to Change #6 and Change #7
Subject area: Table of Contents; List of Figures: List of Tables: Chapters:100, 200, 300, 600, 820; and Index
June 01, 2004 Manual Change Transmittal #6
Subject area: Table of Contents; List of Figures: List of Tables: Chapters: 20, 60, 80, 100, 200, 300, 400, 500, 600, 830, 840, 850, 900; and Index
May 06, 2002 Errata to Change #5 of the HDM
November 01, 2001 Manual Change Transmittal #5
Subject area: Chapters 10, 20, 60, 80, 100, 200, 300, 400, 500, 700, 800, 900, 1000, and 1100
May 01, 2001 Manual Change Transmittal #4
Subject area: Chapter 800 - Highway Drainage Design
February 01, 2001 Manual Change Transmittal #3
Subject area: Highway Design Bikeways - Chapter 1000
July 15, 1998 Manual Change Transmittal #2
Subject area: The Fourth Edition of the Highway Design Manual is officially obsolete.
Feb. 09, 1998 Errata sheets for the HDM memorandum
Download 2/9/98 Memorandum and Errata Sheets. (filename erra1.pdf)
May 30, 1997 Manual Change Transmittal #1
Subject area: Various topics throughout Chapter 800 "Highway Drainage Design".
This page last updated November 7, 2012