Wash. Rev. Code § 47.17.495
A state highway to be known as state route number 272 is established as follows: Beginning at a junction with state route number 195 at Colfax, thence easterly to a junction with state route number 27 at Palouse; also Beginning at a junction with state route number 27 at Palouse, thence northeasterly by the most feasible route to a point on the Washington-Idaho boundary line.
[ 1970 ex.s. c 51 s 100.]