(a) No pedestrian shall suddenly leave a curb or other place off safety and walk or run into the path of a vehicle which is so close as to constitute an immediate hazard.
(b) No pedestrian shall unnecessarily stop or delay traffic while crossing any roadway.
(c) No pedestrian shall disobey the order of an official traffic control device applicable to them, or of any official pedestrian control device, or of a police officer or school crossing guard.