RCW 47.17.260State route No. 129.A state highway to be known as state route number 129 is established as follows:Beginning at the Washington-Oregon boundary line in Asotin county, thence northerly by the most feasible route by way of Asotin to a junction with state route number 12 at Clarkston.[ 1970 ex.s. c 51 s 53.]
Washington Legal Code