This page is intended to provide national policies, resources and information for the provision of WSDOT construction projects. If you are looking for updates on the current construction, visit the Travel Alerts section on our website. The following updated agreement will enter into force on 16 June 2020. Given that our state will invest billions of dollars in significant transportation improvements over the next 16 years, the construction program business plan (pdf 2 mb) must enable projects to be effectively executed in a changing construction landscape. Annex to the Business Plan construction program (pdf 4 mb).