A state highway to be known as state route number 231 is established as follows:

Beginning at a junction with state route number 23 in the vicinity northwest of Sprague, thence northerly by way of Edwall to a junction with state route number 2 in the vicinity west of Reardan; also

Beginning at a junction with state route number 2 in the vicinity of Reardan, thence northerly by way of Long Lake across the Spokane river, thence northeasterly by way of Springdale to a junction with state route number 395 in the vicinity of Chewelah.