RCW 47.17.130State route No. 31.A state highway to be known as state route number 31 is established as follows:Beginning at a junction with state route number 20 at Tiger, thence northerly by way of Metaline Falls to the international boundary.[ 1973 1st ex.s. c 151 s 14; 1970 ex.s. c 51 s 27.]
Washington Legal Code