A. Off-premises signs no greater than fifty (50) square feet except those exempted from the requirement to obtain a permit by Section 17.84.030 may be allowed in commercial and industrial zones as conditional uses. Except as provided in subsection (B) of this section, off-premises signs shall be included in computing the number of signs and the total advertising area of signs for a use.

B. Unilluminated off-premises directional signs pertaining to semi-public uses, the general location of tourist facilities, the general location of shopping facilities, and the general location of significant residential developments may be allowed adjacent to or on the street right-of-way of a state highway, collector street or arterial street subject to obtaining a conditional use permit. Each sign shall not be more than four square feet in area and be in conformance with standards established in the Washington State Department of Transportation Manual of Signing. Signs allowed under this subsection shall not be considered freestanding signs and shall not be included in computing the number of signs and the area of signs on a lot.

C. Plans for projecting signs, except projecting canopy signs, more than twenty (20) feet high shall be signed by a registered engineer.

D. No sign may be located so that it interferes with the view necessary for motorists to proceed safely through intersections or to enter onto or exit from public streets or private roads.

E. Signs shall not generate sound intended to attract attention or provide a message.

F. If streamers, pennants, propellers and similar components are used on or in a sign, they shall be included in the calculation of a sign's area.

G. No sign may be erected so that by its location, color, size, shape, nature or message, it would obstruct the view of or be confused with traffic signs or other sings erected by governmental agencies.

H. If a sign advertises a business, service, commodity, accommodation, attraction or other enterprise or activity that is no longer operating or being offered or conducted, that sign shall be considered abandoned and shall, within thirty (30) days after such abandonment, be removed by the sign owner, owner of the property where the sign is located, or other party having control over such sign.