Research home


Research impacts all aspects of work at WSDOT, from road materials to the natural environment. Research and Library Services provides decision makers with the specialized research and information needed to meet the evolving needs of people and businesses. The Research Office coordinates the process for identifying, selecting, and managing research projects as well as documenting research results and developing and documenting implementation plans and experiences. The WSDOT Library answers reference questions, lends and borrows books and other items, delivers current news alerts and more. It is a repository of agency publications and related transportation research.

2017 WSDOT Research Procedures Manual (pdf 336 kb)

2017-2019 Research Portfolio (pdf 646 kb)

2015-2017 Research Portfolio (pdf 620 kb)

News from the Washington State Transportation Center (pdf 47kb)