RCW 47.17.757State route No. 531.A state highway to be known as state route number 531 is established as follows:Beginning at Wenberg state park, thence northerly and easterly to a junction with state route number 9 in the vicinity north of Marysville.[ 1991 c 342 s 44.]NOTES:Effective dates—1991 c 342: See note following RCW 47.01.425.
Washington Legal Code