The following are WSDOT Index's (instructions for use) with links to the referenced GSPs.

Division 1 General Requirements (pdf 472kb)

Division 2 Earthwork (pdf 214kb)

Division 3 Aggregate Production and Acceptance (pdf 105kb)

Division 4 Bases (pdf 89kb)

Division 5 Surface Treatments and Pavements (pdf 173kb)

Division 6 Structures (pdf 124kb) 

Division 7 Drainage Structures, Storm Sewers, Sanitary Sewers, Water Mains, and Conduits (pdf 119kb)

Division 8 Miscellaneous Construction (pdf 285kb) 

Division 9 Materials (pdf 9kb)

The following are all of the WSDOT GSPs combined into one document.

Division 1-9 GSP Master Document (pdf 3.2mb)