Standard Specifications for Road, Bridge, and Municipal Construction

The Standard Specifications have been developed to serve as a baseline for the work that is delivered to the public by the Washington State Department of Transportation.

Related Resources:

• 5.5 x 8.5 version of the 2025 Standard Specifications (PDF 8.9MB)
  Printed copies of the 5.5 x 8.5 version of the 2025 Standard Specifications are not available from the Washington State Department of Enterprise Services.  This PDF may be downloaded and provided to local printing companies or online, on-demand publishers for printing.
• General special provisions

Individual Chapters

Foreword (PDF 88KB)

Contents (PDF 782KB)

Division 1 General Requirements (PDF 1.2MB)

Division 2 Earthwork (PDF 420KB)

Division 3 Production From Quarry and Pit Sites and Stockpiling (PDF 249KB)

Division 4 Bases (PDF 141KB)

Division 5 Surface Treatments and Pavements (PDF 698KB)

Division 6 Structures (PDF 2.3MB)

Division 7 Drainage Structures, Storm Sewers, Sanitary Sewers, Water Mains, and Conduits (PDF 658KB)

Division 8 Miscellaneous Construction (PDF 1.1MB)

Division 9 Materials (PDF 1.9MB)

Revision History

2025 Standard Specifications (PDF 8.9MB)
2024 Standard Specifications (PDF 8.9MB)
2023 Standard Specifications (PDF 8.9MB)
2022 Standard Specifications (PDF 8.9MB)
2021 Standard Specifications (PDF 8.6MB)
2020 Standard Specifications (PDF 8.4MB)
2018 Standard Specifications (PDF 5.5MB)
2016 Standard Specifications (PDF 7.5MB)
2014 Standard Specifications (PDF 5.6MB)
2012 Standard Specifications (PDF 5.6MB)
2010 Standard Specifications (PDF 4.6MB)
2008 Standard Specifications (PDF 5.0MB)
2006 Standard Specifications (PDF 5.3MB)
2004 Standard Specifications (PDF 4.6MB)
2002 Standard Specifications (PDF 2.2MB)
2000 Standard Specifications (PDF 2.2MB)