US lawWashingtonRegulationsTitle 468 — TRANSPORTATION, DEPARTMENT OFChapter 468-72 — ADOPT-A-HIGHWAY LITTER CONTROL PROGRAM468-72-010WAC 468-72-010WAC 468-72-010. PurposeLast amended: 1990Year: 2026Length: 20 wordsOfficial source The purpose of these regulations is to assist in the administration of the adopt-a-highway program pursuant to chapter 47.40 RCW.NextWAC 468-72-050