Description: The Highway Runoff Manual (HRM) provides guidance to direct the planning and design of stormwater management facilities for existing and new Washington State highways, rest areas, park-and-ride lots, ferry terminals, and highway maintenance facilities throughout the state. The HRM establishes minimum requirements and provides uniform technical guidance.

• Publication Number: M 31-16
• Last Modified: November, 2011
• Version: M 31-16.03
• Manual Manager: Mark Maurer
• Originators: WSDOT HQ Design Office, Highway Runoff Unit
• # of Pages: 594
• Subject: Planning and design of stormwater management.
• Keywords: Highway Runoff Manual, Washington State Department of Transportation Highway Runoff Manual, WSDOT Highway Runoff Manual
• Related Publications:
  Highway Runoff Manual website
  Hydraulics Manual M 23-03

Highway Runoff Manual Individual Chapters

Contents (pdf 251 KB)

Chapter 1 Introduction (pdf 217 KB)

Chapter 2 Stormwater Planning and Design Integration (pdf 374 KB)

Chapter 3 Minimum Requirements (pdf 350 KB)

Chapter 4 Hydrologic Analysis (pdf 1.15 MB)

Chapter 5 Stormwater Best Management Practices (pdf 4.8 MB)

Chapter 6 Temporary Erosion and Sediment Control Design Guidelines
                    and Process (pdf 655 KB)

Glossary (pdf 294 KB)

Revision History

Date	Version	Complete Manual	Revision
2011 November	M 31-16.03	PDF (6.4 MB)	PDF (0.4 MB)
2010 May	M 31-16.02	PDF (6.4 MB)	PDF (0.4 MB)
2008 June			PDF (0.4 MB)
2007 March	M 31-16.01	PDF (6.1 MB)	PDF (0.5 MB)
2006 October			PDF (0.6 MB)
2006 May			PDF (0.6 MB)
2004 March		PDF (16.1 MB)	PDF (16.9 MB)
1995 February		PDF (0.7 MB)

 

This abstract was last modified March 7, 2012