Description:
The Design Manual provides policies, procedures, and methods for developing and documenting the design of improvements to the transportation network in Washington. It has been developed for state facilities and may not be appropriate for all county roads or city streets that are not state highways.
July 2012 revision package M 22-01.09 (pdf 10.9 MB)
Next Revision: July 2013
Individual Chapters / Revision History / Revisions in Progress
Errata Page / WSDOT Policies
-
Publication Number:
M 22-01
-
Last Modified:
July, 2012
-
Version:
M 22-01.09
-
Manual Manager:
John Donahue 360-705-7952; Chris Schroedel 360-705-7299
-
Originators:
Development Division, Design Office
- # of Pages: 1,278
- Subject: Design procedures and geometric criteria
- Keywords: Design Manual, WSDOT Design Manual, Washington State Department of Transportation Design Manual, guardrail, median barrier,highway design, geometry, geometrics, design policy, design guidelines, design standards, documentation, design approval, design levels, design criteria, design matrices, roadside safety, traffic barriers, interchange, intersection, roadside
- Related Publications:
Plans Preparation Manual M 22-31
Roadside Manual M 25-30
Standard Plans M 21-01
Foreword
Comment Form
Volume 1 – General Information
Chapter 100 Manual Description (489 KB)
Chapter 110 Design-Build Projects (501 KB)
Chapter 120 Planning (830 KB)
Chapter 130 Project Development Sequence (702 KB)
Division 2 – Hearings, Environmental, and Permits
Chapter 210 Public Involvement and Hearings (606 KB)
Chapter 220 Project Environmental Documentation (375 KB)
Chapter 230 Environmental Permits and Approvals (826 KB)
Division 3 – Project Documentation
Chapter 300 Design Documentation, Approval, and Process Review (706 KB)
Chapter 305 Managing Projects (337 KB)
Chapter 310 Value Engineering (174 KB)
Chapter 320 Traffic Analysis (642 KB)
Division 4 – Surveying
Chapter 400 Surveying and Mapping (639 KB)
Chapter 410 Monumentation (692 KB)
Division 5 – Right of Way and Access Control
Chapter 510 Right of Way Considerations (281 KB)
Chapter 520 Access Control (563 KB)
Chapter 530 Limited Access Control (1.0 MB)
Chapter 540 Managed Access Control (549 KB)
Chapter 550 Interchange Justification Report (515 KB)
Chapter 560 Fencing (385 KB)
Division 6 – Soils and Paving
Chapter 610 Investigation of Soils, Rock, and Surfacing Materials (498 KB)
Chapter 620 Design of Pavement Structure (779 KB)
Chapter 630 Geosynthetics (3.6 MB)
Division 7 – Structures
Chapter 700 Project Development Roles and Responsibilities for Projects With Structures (378 KB)
Chapter 710 Site Data for Structures (537 KB)
Chapter 720 Bridges (282 KB)
Chapter 730 Retaining Walls and Steep Reinforced Slopes (1.5 MB)
Chapter 740 Noise Barriers (475 KB)
Division 8 – Hydraulics
Chapter 800 Hydraulic Design (387 KB)
Division 9– Roadside Development
Chapter 900 Roadside Development (400 KB)
Chapter 910 Contour Grading (281 KB)
Chapter 920 Vegetation (350 KB)
Chapter 930 Irrigation (347 KB)
Chapter 940 Soil Bioengineering (471 KB)
Chapter 950 Public Art (370 KB)
Division 10 – Traffic Safety Elements
Chapter 1010 Work Zone Safety and Mobility (753 KB)
Chapter 1020 Signing (650 KB)
Chapter 1030 Delineation (671 KB)
Chapter 1040 Illumination (1.9 MB)
Chapter 1050 Intelligent Transportation Systems (715 KB)
Volume 2 – Design Criteria
Chapter 1100 Design Matrix Procedures (313 KB)
Chapter 1110 Minor Operational Enhancement Projects (751 KB)
Chapter 1120 Basic Design Level (52 KB)
Chapter 1130 Modified Design Level (971 KB)
Chapter 1140 Full Design Level (774 KB)
Division 12 – Geometrics
Chapter 1210 Geometric Plan Elements (704 KB)
Chapter 1220 Geometric Profile Elements (768 KB)
Chapter 1230 Geometric Cross Section (2.0 MB)
Chapter 1240 Turning Roadways (660 KB)
Chapter 1250 Superelevation (899 KB)
Chapter 1260 Sight Distance (1.2 MB)
Chapter 1270 Auxiliary Lanes (818 KB)
Division 13 – Intersections and Interchanges
Chapter 1310 Intersections at Grade (1.7 MB)
Chapter 1320 Roundabouts (2.4 MB)
Chapter 1330 Traffic Control Signals (1.3 MB)
Chapter 1340 Road Approaches (792 KB)
Chapter 1350 Railroad Grade Crossings (152 KB)
Chapter 1360 Interchanges (1.8 MB)
Chapter 1370 Median Crossovers (90 KB)
Division 14 – HOV and Transit
Chapter 1410 High-Occupancy Vehicle Facilities (871 KB)
Chapter 1420 HOV Direct Access (2.2 MB)
Chapter 1430 Transit Facilities (1.2 MB)
Division 15– Pedestrian and Bicycle Facilities
Chapter 1510 Pedestrian Facilities (2.0 MB)
Chapter 1515 Shared-Use Paths (2.1 MB)
Chapter 1520 Roadway Bicycle Facilities (703 KB)
Division 16 – Roadside Safety Elements
Chapter 1600 Roadside Safety (971 KB)
Chapter 1610 Traffic Barriers (1.7 MB)
Chapter 1620 Impact Attenuator Systems (726 KB)
Division 17 – Roadside Facilities
Chapter 1710 Safety Rest Areas and Traveler Services (715 KB)
Chapter 1720 Weigh Sites (2.8 MB)
|
Date |
Version |
Complete |
Revision |
|
2012 July |
M 22-01.09 |
PDF (33.1 MB) |
PDF (10.9 MB) |
|
2012 March |
Supplement |
|
PDF (1.6 MB) |
|
2011 August |
Supplement |
|
PDF (760 KB) |
|
2011 July |
M 22-01.08 |
PDF (30.1 MB) |
PDF (7.6 MB) |
|
2010 July |
M 22-01.07 |
PDF (29.2 MB) |
PDF (6.7 MB) |
|
2009 December |
M 22-01.06 |
PDF (30.6 MB) |
PDF (8.3 MB) |
|
2009 June |
M 22-01.05 |
PDF (31.7 MB) |
PDF (31.2 MB) |
|
2009 January |
M 22-01.04 |
PDF (34.4 MB) |
PDF (17.4 MB) |
|
2008 May |
M 22-01.03 |
PDF (29.2 MB) |
PDF (2.5 MB) |
|
2007 November |
M 22-01.02 |
PDF (28.7 MB) |
PDF (7.7 MB) |
|
2007 August |
Supplement |
|
PDF (628 KB) |
|
2007 May |
M 22-01.01 |
PDF (29.3 MB) |
PDF (5.6 MB) |
|
2006 November |
|
PDF (33.6 MB) |
PDF (9.23 MB) |
|
2006 June |
|
|
PDF (7.4 MB) |
|
2005 June |
|
PDF (25.4 MB) |
PDF (3.1 MB) |
|
2005 January |
|
PDF (10.0 MB) |
PDF (10.0 MB) |
|
2004 May |
|
PDF (21.8 MB) |
PDF (5.6 MB) |
|
2003 December |
|
PDF (20.5 MB) |
PDF (6.7 MB) |
|
2003 May |
|
PDF (18.7 MB) |
PDF (18.8 MB) |
|
2002 December |
Supplement |
|
PDF (324 KB) |
|
2002 September |
|
PDF (25.0 MB) |
PDF (4.7MB) |
|
2002 February |
|
PDF (24.9 MB) |
PDF 11.9 MB) |
|
2001 May |
English |
PDF (18.7 MB) |
PDF (5.9 MB) |
|
|
Metric |
|
PDF (5.8 MB) |
|
2000 May |
English |
PDF (20.0 MB) |
PDF (5.2 MB) |
|
|
Metric |
|
PDF (4.8 MB) |
|
1999 November |
English |
PDF (23.8 MB) |
PDF (2.2 MB) |
|
|
Metric |
|
PDF (3.2 MB) |
This abstract was last modified May 10, 2013