(1) That part of the Oregon Coast Highway, State Highway No. 9, extending from the north boundary of Tillamook County to the south boundary of Lane County.
(2) That part of the Alsea Highway, State Highway No. 27, from its junction with the Corvallis-Newport Highway in Benton County to Waldport in Lincoln County.
(3) That part of the Corvallis-Newport Highway, State Highway No. 33, from Corvallis in Benton County to Newport in Lincoln County.
(4) That part of the Salmon River Highway, State Highway No. 39, from Valley Junction in Polk County to a connection with the Oregon Coast Highway at or near Otis in Lincoln County.
(5) That part of the Wilson River Highway, State Highway No. 37, from the east boundary of Tillamook County to the intersection of the Wilson River Highway with the Oregon Coast Highway, which is State Highway No. 9. [Amended by 1971 c.579 §8; 1977 c.176 §1]