Wyo. Stat. § 31-5-605: Walking along roadways or highways.

(a) Where a sidewalk is provided and its use is practicable it is unlawful for any pedestrian to walk along and upon an adjacent roadway.

(b) Where sidewalks are not provided any pedestrian walking along and upon a highway shall, when practicable, walk only on the left side of the roadway or its shoulder facing traffic which may approach from the opposite direction as far as practicable from the edge of the roadway.

(c) Except as otherwise provided in this act, any pedestrian upon a roadway shall yield the right-of-way to all vehicles upon the roadway.