A state highway to be known as state route number 27 is established as follows:
Beginning at a junction with state route number 195 in the vicinity of Pullman, thence northerly to a junction with state route number 271 in the vicinity of Oakesdale; also
From a junction with state route number 271 at Oakesdale, thence northerly by way of Tekoa, Latah, Fairfield, and Rockford to a junction with state route number 290 in the vicinity of Millwood.