State route No. 9.
RCW 47.17.040
in effectA state highway to be known as state route number 9 is established as follows: Beginning at a junction with state route number 522 north of Woodinville, thence northerly by way of Snohomish, Arlington and Sedro Woolley to a junction with state route number 542, in the vicinity of Deming; also Beginning at a junction with state route number 542, in the vicinity of Lawrence, thence northerly to the international boundary at Sumas.
A state highway to be known as state route number 9 is established as follows:
Beginning at a junction with state route number 522 north of Woodinville, thence northerly by way of Snohomish, Arlington and Sedro Woolley to a junction with state route number 542, in the vicinity of Deming; also
Beginning at a junction with state route number 542, in the vicinity of Lawrence, thence northerly to the international boundary at Sumas.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=47.17&full=trueFetched: 6/29/2026