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RCW
47.17.675
State route No. 508.
A state highway to be known as state route number 508 is established as follows:
Beginning at a junction with state route number 5 south of Chehalis, thence easterly by way of Onalaska to a junction with state route number 7 at Morton.
[
1970 ex.s. c 51 s 136
.]