Construction

Find information on construction materials and construction guidance.

Find approved construction materials, submit new materials for approval, or review our materials evaluation and tracking programs.

Find information needed to ensure compliance during the construction of a project.

14 fish passage projects were completed in 2020

improving access to 54.2 miles of upstream habitat.

11,959 incidents responded to

by WSDOT’s incident Response teams during second quarter of 2021, 15% more than same quarter in 2020.

41 Pre-existing Funds Projects Advertised

during the eighth quarter of the 2019-2021 biennium.