Except in an authorized crosswalk, a person who is under the influence of alcohol or any drug may walk or stand in the public right-of-way, as defined in 60-1-103, but not on a roadway or a shoulder as is otherwise permissible under 61-8-506(2).
Intoxicated Pedestrian
Mont. Code Ann. § 61-8-508, under Pedestrian Traffic.
Mont. Code Ann. § 61-8-508