The following words or terms when used shall have the following meanings, unless the context clearly indicates otherwise:
(a) "Abandoned sign" means a sign that is obliterated, displays an obsolete advertising message, or is in need of repair for 9 continuous months.
(b) "Back-to-back sign" means a sign with 2 display surfaces mounted on a single structure with the display surfaces visible to traffic from opposite directions of travel.
(c) "Blank sign" means a sign structure having no panel or face, or whose panel or face is not covered at least 50 percent in area by an advertising message for 9 continuous months. If the sign structure has multiple display surfaces, a blank sign means a sign with either surface having an advertising message covering less than 50 percent of its area.
(d) "Blinking" means a form of flashing in which the pattern of sudden illumination changes occurs with more than 2 on-off cycles per second.
(e) "Commercial or industrial activities" means those activities generally recognized as commercial or industrial by zoning authorities in this state, except that none of the following shall be considered commercial or industrial activities:
(f) "Commercial or industrial zone" means those areas reserved for business, commerce, or trade pursuant to comprehensive local zoning ordinances or regulations, or enabling state legislation, including highway service areas in which the primary use of the land is reserved for commercial and roadside services other than outdoor advertising. To be accepted, any commercial or industrial zone shall be adopted in accordance with the planning and zoning provisions of W. S. 18-5-201 through W.S. W.S. W.S. 18-5-208.
(g) "Conforming sign" means a sign that is lawfully in place and complies with size, lighting, or spacing requirements and all other pertinent lawful regulations.
(h) "Department" means the Wyoming Department of Transportation, specifically the Right-of-Way Program.
(i) "Digital billboard" means a billboard displaying static images controlled by electronic communications.
(j) "Directional sign" means a sign identifying and containing directional information to public places and
(k) "Dissolve" means a transition between digital messages that is achieved with varying light intensity and in which the first message gradually appears to dissipate and loses legibility simultaneous to the gradual appearance legibility of the subsequent message.
(l) "Double-faced sign" means a sign with 2 display surfaces with multiple messages visible to traffic from one direction of travel.
(m) "Erect" means to construct, build, raise, assemble, place, affix, attach, create, paint, draw, or in any other way bring into being or establish; but it shall not include any of the foregoing activities when performed as an incident to the change of advertising message or normal maintenance or repair of a sign structure.
(n) "Facing" means the total advertising surface of an outdoor advertising sign, display, or device visible from the main-traveled way of the highway.
(o) "Fade" means a transition between static message displays achieved with varying light intensity and in which the first message gradually loses light intensity to the point of not being legible and the subsequent message gradually increases intensity to the point of legibility.
(p) "Flashing" means a pattern of changing light illumination in which the sign illumination alternates suddenly between fully illuminated and fully non-illuminated in less than 4 seconds.
(q) "Foot candle" means a unit of illuminance equal to one lumen, uniformly incident upon an area of one square foot.
(r) "Unlawful sign" means a sign erected or maintained in violation of the state law, the outdoor advertising rules and regulations, or local law ordinance.
(s) "Immediate" means a transition between static message displays achieved in 2 seconds or less.
(t) "Intermittent" means a pattern of changing light intensity, other than that achieved with immediate, fade, or dissolve transitions, in which any message remains static for over 4 seconds.
(u) "Interstate system" means that portion of the national system of interstate and defense highways located within this state, as officially designated, or as may be so designed by the Department and approved by the secretary of transportation pursuant to the provisions of Title 23, United States Code, "Highways."
(v) "Maintain" means to allow to exist.
(w) "Main-traveled way" means the traveled way of a state highway on which through traffic is carried. In the case of a divided highway, the traveled way of each of the separated roadways for traffic in opposite directions is a main-traveled way. It does not include such facilities as frontage roads, turning roadways, or parking areas.
(x) "Moving light" means the physical change in position of any visible illumination source while lighted or the simulation of movement achieved with a pattern of sequentially illuminating visible illumination sources within close proximity to each other.
(y) "National highway system" means that portion of connected main highways, including interstate and defense highways, as officially designated by the Department and approved by the secretary of transportation pursuant to the provisions of Title 23, United States Code, "Highways."
(z) "Nonconforming sign" means a sign that was lawfully erected but does not comply with the provisions of the state law or regulations passed later or that later fails to comply with state law or regulations because of changed conditions.
(aa) "Official signs" means signs maintained by public agencies, public utilities, or nonprofit organizations.
(bb) "Off-premises sign" means an outdoor advertising sign that advertises an activity, service, or product and located in an area other than the premises at which such activity or service occurs or the product is sold or manufactured.
(cc) "On-premises sign" means a sign consisting solely of the name of the establishment or identifying the establishment's principal or accessory products or services offered on the property on which they are located.
(dd) "Outdoor advertising" means any permanent or portable outdoor sign, display, light, device, figure, painting, drawing, plaque, poster, billboard, or other object designed, intended, or used to advertise or inform, and which is visible from any place on the main-traveled way of the interstate or national highway systems.
(ee) "Primary system" means the federal-aid primary system in existence June 1, 1991, and any highway not on this system but included on the National Highway System.
(ff) "Poor state of repair" means an outdoor advertising unit that has been damaged or allowed to deteriorate to the extent that the message or symbols or both are incomplete, the structure has been weakened, or parts of the face or structure have been detached and are free to be moved by the wind.
(gg) "Safety rest area" means an area or site established and maintained within or adjacent to the right-of-way by or under public supervision or control for the convenience of the traveling public.
(hh) "Static" means having no motion within a particular message or copy displayed on a digital billboard.
(ii) "Unzoned Commercial or Industrial Area" means those areas within 660 feet of the nearest edge of the highway right-of-way that are not zoned by state or local law, regulation, or ordinance and
(jj) "V-type sign" means 2 signs erected independently of each other or attached to each other with multiple display surfaces having messages visible to traffic from opposite directions, with an interior angle between the 2 signs of not more than 120 degrees and with the signs separated by not more than 10 feet at the nearest point.
(kk) "Visible" means capable of being seen, whether or not legibly, without visual aid by a person of normal visual acuity.
045-16 Wyo. Code R. § 16-2