(1) Directional signs pertaining to natural wonders, scenic and historical attractions, nonprofit historical and arts organizations, 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. Directional signs must comply with sign standards found in 75-15-113, MCA, and ARM 18.6.231, unless otherwise specified in this rule.
(2) Directional signs must not:
(a) have more than one sign, pertaining to the same activity, facing the same direction of travel, erected along a single route approaching the activity;
(b) be located more than 75 air miles from the activity if adjacent to the interstate system;
(c) be located more than 50 air miles from the activity if adjacent to the primary system;
(d) exceed 32 square feet with a maximum height of 4 feet and length of 8 feet; and
(e) use descriptive words, phrases, pictorial or photographic representations of the activity or its surrounding areas.
(3) Directional signs for different attractions or activities facing the same direction of travel shall be spaced more than one mile apart.
(4) 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.