(A) No street shall be closed or partially obstructed or detours established without approval of the City Traffic Engineer.
(B) Barriers and signs shall be erected as directed by the City Traffic Engineer and shall be of a type approved by the City Traffic Engineer.
(C) In case of emergency a public utility or department of the city shall be exempt from the provisions of this section.
(D) The driver of any vehicle shall obey the instructions of any barricades or devices erected:
(1) Pursuant to the provisions of any ordinance of the city;
(2) By any public utility;
(3) By any department of the city; or,
(4) By any other person pursuant to law or contract with the city.
(E) No unauthorized person shall move or alter the position of any such barrier or device.
('61 Code, § 13.27) (Ord. 653, passed - - )