(1) Directional signs pertaining to natural wonders, scenic and historical attractions, or ranching, grazing, or farming activities may be erected and maintained providing the signs shall be limited to the identification of the attraction or activity and directional information useful to the traveler in locating the attraction, such as mileage, route numbers, or exit numbers. Descriptive words or phrases, and pictorial or photographic representations of the activity or its surrounding areas are prohibited. To be eligible, privately owned attractions or activities must be nationally or regionally known, and of interest to the traveling public. 

(2) Directional signs shall not exceed the following size limits:

(a) maximum area – 32 square feet;

(b) maximum height – 4 feet;

(c) maximum length – 8 feet.

(3) Directional signs shall meet the following spacing requirements:

(a) directional signs visible from controlled routes must not be located within 500 feet of an intersection in rural areas, or within 140 feet of an intersection in cities or towns;

(b) directional signs visible from interstate highways must not be located within 500 feet of the gore of an interchange;

(c) directional signs must not be located within 500 feet of any of the following that are adjacent to the controlled route unless the signs are in an incorporated area:

(i) public parks;

(ii) public forests;

(iii) public playgrounds; or

(iv) scenic areas designated as such by the department or other state agency having and exercising this authority;

(d) directional signs facing the same direction of travel shall be limited to signs spaced at least one mile apart;

(e) directional signs pertaining to the same activity, facing the same direction of travel, which are erected along a single route approaching the activity are limited to one sign;

(f) directional signs located adjacent to the interstate system shall be within 75 air miles of the activity;

(g) directional signs located adjacent to the primary system shall be within 50 air miles of the activity.

(4) Directional signs shall meet all general restrictions on characteristics for off-premise signs found in ARM 18.6.231.

(5) A permit must be obtained for each directional sign accompanied by a nonrefundable inspection fee. There is no initial permit fee or renewal fee for directional signs.