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.
RCW 47.17.130
State route No. 31.
1973 1st ex.s. c 151 s 14; 1970 ex.s. c 51 s 27.
Official source: Washington State Legislature. Reproduced from public-domain Washington statutes; confirm against the official source for the current text. Not legal advice.