RCW 47.17.200
RCW 47.17.200: State route No. 109.
A state highway to be known as state route number 109 is established as follows: Beginning at a junction with state route number 101 in Hoquiam, thence northwesterly by way of Ocean City, Copalis, Pacific Beach, and Moclips to a junction with state route number 101 in the vicinity of Queets; also a bypass beginning at a junction with state route number 101 in the vicinity of the north city limits of Hoquiam, thence southerly to a junction with state route number 109 in the vicinity of the west city limits of Hoquiam.