State route No. 12.

RCW 47.17.055

in effect

A state highway to be known as state route number 12 is established as follows: Beginning at a junction with state route number 101 at Aberdeen, thence easterly by way of Montesano and Elma to a junction with state route number 8 in the vicinity of Elma; also From that junction with state route number 8 in the vicinity of Elma, thence southeasterly to a junction with state route number 5 in the vicinity north of Centralia; also Beginning at a junction with state route number 5 in the vicinity south of Chehalis, thence easterly by way of Morton and White Pass to a junction with state route number 410 northwest of Yakima; also From that junction with state route number 410 northwest of Yakima, thence southeasterly to a junction with state route number 82 at Yakima; also Beginning at a junction with state route number 182 near Pasco, thence southeasterly by the most feasible route by way of Wallula to Walla Walla, thence northerly by way of Dayton to a junction with state route number 127 at Dodge; also From that junction with state route number 127 in the vicinity of Dodge, thence easterly by the most feasible route by way of Pomeroy and Clarkston to the Washington-Idaho boundary line. A state highway to be known as state route number 12 is established as follows: Beginning at a junction with state route number 101 at Aberdeen, thence easterly by way of Montesano and Elma to a junction with state route number 8 in the vicinity of Elma; also From that junction with state route number 8 in the vicinity of Elma, thence southeasterly to a junction with state route number 5 in the vicinity north of Centralia; also Beginning at a junction with state route number 5 in the vicinity south of Chehalis, thence easterly by way of Morton and White Pass to a junction with state route number 410 northwest of Yakima; also From that junction with state route number 410 northwest of Yakima, thence southeasterly to a junction with state route number 82 at Yakima; also Beginning at a junction with state route number 182 near Pasco, thence southeasterly by the most feasible route by way of Wallula to Walla Walla, thence northerly by way of Dayton to a junction with state route number 127 at Dodge; also From that junction with state route number 127 in the vicinity of Dodge, thence easterly by the most feasible route by way of Pomeroy and Clarkston to the Washington-Idaho boundary line.

Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=47.17&full=trueFetched: 6/29/2026