Wash. Rev. Code § 47.17.380
A state highway to be known as state route number 195 is established as follows: Beginning at the Washington-Idaho boundary line southeast of Uniontown, thence northwesterly and northerly by way of the vicinity of Pullman, Colfax, and Rosalia to a junction with state route number 90 at Spokane.
[ 1979 ex.s. c 33 s 10; 1970 ex.s. c 51 s 77.]