RCW 47.05.025
RCW 47.05.025: Highways of regional significance.
Highways of regional significance may receive funding under the conditions of RCW 36.120.020 (8)(c). The following highways are of regional significance: (1) That portion of state route number 9 that runs from state route number 522 in the south to state route number 531 in the north; (2) That portion of state route number 524 that runs from state route number 5 easterly to state route number 522; (3) That portion of state route number 704 from state route number 5 to state route number 7.