A. 
At the following intersections, official traffic signals shall be erected (or if heretofore erected are hereby ratified), and traffic at such intersections may be directed by such signals:
(1) 
Allegheny Street and Bishop Street.
(2) 
Allegheny Street and Howard Street.
(3) 
Allegheny Street and Linn Street.
(4) 
High Street and Spring Street.
(5) 
High Street and Water Street.
(6) 
Bishop Street and School Street.
(7) 
Bishop Street and Parkview Boulevard.
(8) 
Water Street and Lamb Street.
(9) 
Bishop Street and Wilson Street.
B. 
No operator of a vehicle shall disobey the directions of any such traffic signal.