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.
RCW 47.17.685
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.
RCW 47.17.685