A state highway to be known as state route number 3 is established as follows:

Beginning at a junction with state route number 101 at Shelton, thence northeasterly to a junction with state route number 302 at Allyn; also

From that junction with state route number 302 at Allyn, thence northeasterly to a junction with state route number 106 in the vicinity of Belfair; also

From that junction with state route number 106 in the vicinity of Belfair, thence northeasterly by the most feasible route to Bremerton, thence northerly and easterly by the most feasible route in the vicinity of Poulsbo to a junction with state route number 104 in the vicinity of Port Gamble.