A state highway to be known as state route number 506 is established as follows:Beginning at Ryderwood, thence by way of Vader northeasterly to a junction with state route number 5 west of Toledo.[ 1970 ex.s. c 51 s 134.]
State route No. 506.
RCW 47.17.665 — under Chapter 47.17 State highway routes..
RCW 47.17.665