A state highway to be known as state route number 22 is established as follows:
Beginning at a junction with state route number 82, thence southerly to a junction of state route number 97 in the vicinity of Toppenish; also
From a junction with state route number 97 at Toppenish, thence southeasterly by way of Mabton to a junction with state route number 82 at Prosser.
[ 1987 c 199 § 7; 1970 ex.s. c 51 § 19.]