A state highway to be known as state route number 900 is established as follows:
Beginning at a junction with state route number 5 in Seattle near the Duwamish River, thence southerly by way of Renton to a junction with state route number 90 in the vicinity of Issaquah.
RCW 47.17.825
Effective dates-1991 c 342: See note following RCW 47.01.425.