Wash. Rev. Code § 47.17.630
A state highway to be known as state route number 433 is established as follows: Beginning at the Washington-Oregon boundary on the interstate bridge at Longview, thence northerly to a junction with state route number 432 in Longview.
[ 1991 c 342 s 34; 1987 c 199 s 25; 1970 ex.s. c 51 s 127.]
Effective dates—1991 c 342: See note following RCW 47.01.425.