Specific service or tourist businesses to be eligible for sign placement must be located within five miles of the principal road, not be visible from the principal road, and incorporate one or more of the following activities: gas, food, lodging, camping or RV park, recreation, or tourist-oriented business.

Service and business activities shall comply with the laws concerning the provisions of public accommodations without regard to race, religion, color, age, sex, or national origin, and laws concerning the licensing and approval of service or business facilities. Activities, generally, will conform to those standards listed in the WAC 468-70-050.

Some leeway may be allowed, at the discretion of the Department of Public Works, in the distance requirement from the principal road if no other similar activities are found within five miles of the principal road.