State route No. 510.
RCW 47.17.685
in effectA state highway to be known as state route number 510 is established as follows: Beginning at a junction with state route number 5, thence southeasterly via St. Clair to a junction with state route number 507 at Yelm.
A state highway to be known as state route number 510 is established as follows:
Beginning at a junction with state route number 5, thence southeasterly via St. Clair to a junction with state route number 507 at Yelm.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=47.17&full=trueFetched: 6/29/2026
