A state highway to be known as state route number 125 is established as follows:
Beginning at the Washington-Oregon boundary line south of Walla Walla, thence northerly to a junction with state route number 12 at Walla Walla; also
From a junction with state route number 12 at Walla Walla, thence northerly to a junction with state route number 124 at Prescott.
[1979 ex.s. c 33 § 5; 1970 ex.s. c 51 § 49.]