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

(2) Where a sidewalk is not available and a shoulder is available, any pedestrian walking along and upon a highway shall walk only on the shoulder as far as practicable from the edge of the roadway.

(3) Where neither a sidewalk nor a shoulder is available, any pedestrian who walks along and upon a highway shall walk as near as practicable to the edge of the roadway and, if on a two-way roadway, shall walk only on the left side of such roadway.

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