(1) The department is authorized to enter into a cooperative agreement with the governing authority of the Lummi Nation and appropriate agencies of the United States for the location, design, construction, and maintenance of a public road beginning on Rural Avenue at the southern boundary of the Ferndale city limits, traveling across the property held in tribal trust status by the United States for the Lummi Nation, and connect to the approximate location of where the Ferndale city limits intersect Kope Road. The new road segment shall be named after construction is concluded.

(2) The definitions in this subsection apply throughout this section and RCW 47.20.743 and 47.20.746 unless [the] context clearly requires otherwise.

(a) "Agreement" means the cooperative agreement between the department, the governing authority of the Lummi Nation, and agencies of the United States, as authorized by subsection (1) of this section.

(b) "Roadway" means the public road segment constructed pursuant to the agreement authorized by subsection (1) of this section.