RCW 47.17.670State route No. 507.A state highway to be known as state route number 507 is established as follows:Beginning at a junction with state route number 5 in Centralia, thence northerly by the most feasible route by way of Bucoda to Tenino, thence northeasterly by way of Rainier, Yelm and McKenna to a junction with state route number 7 in the vicinity south of Tacoma.[ 1970 ex.s. c 51 s 135.]
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