Maintenance Manual

The Maintenance Manual provides maintenance personnel with procedures and guidelines for maintaining the highway system in Washington State. It focuses on equipment, materials, facilities, techniques and other information to carry out maintenance activities of the department. This manual does not establish absolute standards but provides uniform operating procedures and performance guidelines. 

Publication Date: 
Wednesday, March 17, 2021
Publication Number: 
M 51-01
Last modified: 
03/23/2021 - 08:58
Publication Version: 
M 51-01.12
Manual Manager: 
Kelly Shields
Originator: 
Maintenance and Operations Programs
Number of Pages: 
190
Subject: 
Maintenance of highways.

Individual Chapters

Foreword (PDF 173 KB) 

Contents  (PDF 250 KB)


Chapter 1 (PDF 107 KB) Emergency Procedures 

Chapter 2 (PDF 334 KB) Work Zone Traffic Control and Safety

Chapter 3 (PDF 452 KB) Pavement Patching & Repair

Chapter 4 (PDF 181 KB) Drainage    

Chapter 5 (PDF 268 KB) Maintenance of Structures

Chapter 6 (PDF 1.6 MB) Roadside Management

Chapter 7 (PDF 276 KB) Snow and Ice Control

Chapter 8 (PDF 285 KB) Traffic Services

Chapter 9 (PDF 172 KB) Electrical System Maintenance

Chapter 10 (PDF 252 KB) Miscellaneous

Chapter 11 (PDF 252 KB) Maintenance and Design Coordination

 

Appendix A (PDF 2.3 MB)
Appendix B (PDF 293 KB)

Revision History

Date

Version

Complete Manual

Revision

2021 March

M 51-01.12

PDF (8.9 MB)

PDF (495 KB)

2020 September

M 51-01.11

PDF (8.7 MB)

PDF (8.7 MB)

2020 March

M 51-01.10

PDF (7.6 MB)

PDF (920 KB)

2020 March

M 51-01.09

PDF (7.6 MB)

PDF (920 KB)

2019 April

M 51-01.08

PDF (7.2 MB)

PDF (380 KB)

2017 June

M 51-01.07

PDF (7.3 MB)

PDF (154 KB)

2017 April

M 51-01.06 

PDF (7.3 MB)

PDF (6.9 MB)

2013 August

M 51-01.05

PDF (6.7 MB)

PDF (6.7 MB)

2010 October

M 51-01.04

PDF (4.0 MB)

PDF (477 KB)

2008 February

M 51-01.03 

PDF (4.1 MB) 

PDF (755 KB) 

2007 July

M 51-01.02

PDF (4.6 MB)

PDF (617 KB)

2007 January

M 51-01.01

 

PDF (1.1 MB)

2006 January

M 51-01

 

 

2005 February

M 51-01

PDF (13.0 MB)

PDF (360 KB)

2004 September

M 51-01

PDF (4.9 MB)

PDF (153 KB)

2002 March

M 51-01

PDF (25.0 MB)