371.05  WALKING ALONG ROADWAYS.
(a)   Where a sidewalk is provided and its use is practicable, no pedestrian shall walk along and upon an adjacent roadway.
(b)   Where a sidewalk is not available, any pedestrian walking along and upon a roadway shall walk only on a shoulder, as far as practicable from the edge of the roadway.
(c)   Where neither a sidewalk nor a shoulder is available, any pedestrian walking along and upon a roadway shall walk as near as practicable to an outside edge of the roadway, and, if on a two-way roadway, shall walk only on the left side of the roadway.
(d)   Except as otherwise provided in Section 313.02 and 371.01, any pedestrian upon a roadway shall yield the right of way to all vehicles upon the roadway. 
(ORC 4511.50)