No person or group of persons shall obstruct
or impede the movement of traffic on any sidewalk, street or road
or interfere with access to any public or private building adjacent
to said sidewalk, street or road.
Any person who shall obstruct or impede the movement of traffic or interfere with access to any building, as provided in § 173-19, or who refuses to move at the direction of a police officer shall be subject to a fine of not more than $50.