YES. Colorado Revised Statute 42-4-805(1) and Model Traffic Code 805(1) state in part:Pedestrians walking or traveling in a wheelchair along and upon highways where sidewalks are not provided shall walk or travel only on a road shoulder as far as practicable from the edge of the roadway. Where neither a sidewalk nor road shoulder is available, any pedestrian walking or traveling in a wheelchair along and upon a highway shall walk as near as practicable to an outside edge of the roadway and, in the case of a two-way roadway, shall walk or travel only on the left side of the roadway facing traffic that may approach from the opposite direction.