Local government legislative authorities may enact local "adopt-a-highway sign" and "adopt-a-fish passage" programs which are not inconsistent with state or federal law.
RCW 47.40.105
Findings-Intent- 2024 c 227 : See note following RCW 77.95.350.
Legislative findings and intent-1990 c 258: See note following RCW 47.40.100.