A state highway to be known as state route number 160 is established as follows:
Beginning at a junction with state route number 16 in the vicinity south of Port Orchard, thence easterly on Sedgwick Road to the Washington state ferry dock at Point Southworth; also
From the state ferry terminal at Point Southworth via the state ferry system easterly to the state ferry terminal at Vashon Heights; also
From the state ferry terminal at Vashon Heights easterly via the state ferry system to the state ferry terminal at Fauntleroy.