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The Washington State Department of Transportation (WSDOT) protects fish, wildlife, and habitat resources during construction, maintenance, and operation of the state transportation system.
Find how to prepare a Biological Assessment for work that has a federal nexus and that has an effect on federally listed species, designated critical habitat, and essential fish habitat.
Learn how wildlife research contributes to the protection of fish, wildlife, and habitat resources during the operation of the state transportation system.