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:
Foreword (pdf 88 KB)
Contents (pdf 782 KB)
Division 1 General Requirements (pdf 1.2 MB)
Division 2 Earthwork (pdf 420 KB)
Division 3 Production From Quarry and Pit Sites and Stockpiling (pdf 249 KB)
Division 4 Bases (pdf 141 KB)
Division 5 Surface Treatments and Pavements (pdf 698 KB)
Division 6 Structures (pdf 2.3 MB)
Division 7 Drainage Structures, Storm Sewers, Sanitary Sewers, Water Mains, and Conduits (pdf 658 KB)
Division 8 Miscellaneous Construction (pdf 1.1 MB)
Division 9 Materials (pdf 1.9 MB)
2020 Standard Specifications (pdf 8.4 MB)
2018 Standard Specifications (pdf 5.5 MB)
2016 Standard Specifications (pdf 7.5 MB)
2014 Standard Specifications (pdf 5.6 MB)
2012 Standard Specifications (pdf 5.6 MB)
2010 Standard Specifications (pdf 4.6 MB)
2008 Standard Specifications (pdf 5.0 MB)
2006 Standard Specifications (pdf 5.3 MB)
2004 Standard Specifications (pdf 4.6 MB)
2002 Standard Specifications (pdf 2.2 MB)
2000 Standard Specifications (pdf 2.2 MB)
