AGLO 1974 NO. 47 >
If a person has lawfully erected and maintained a sign visible from the main traveled way of the primary highway system within commercial and industrial areas on June 1, 1971, such sign is permitted to remain and be maintained after May 10, 1974 because of RCW 47.42.063, even though it does not comply with such provisions as RCW 47.42.040, RCW 47.42.045 and RCW 47.42.060.