(a) Authorized Installations. Whenever by any provision of this chapter, the Department is authorized to install any traffic control devices, and such authority is made dependent upon a determination of the need therefor, it shall be the duty of the Department to make such determination only upon the basis of traffic engineering principles and traffic investigations and in accordance with such standards, limitations and rules as are hereinafter in this chapter laid down with reference to the particular kind of installation under consideration.
(b) Directed Installations. It shall be the duty of the Department to install traffic control devices at a particular location, whenever directed to do so by any provision of this chapter or by any ordinance of this city.
(c) Installations Essential to Effectiveness of Traffic Laws. Whenever any traffic laws of this state, or any traffic regulations set forth in this chapter, requires for its effectiveness that traffic control devices be installed to give notice to the public of the operation or application of such law or regulations, the Department is hereby authorized to install the necessary devices, subject to any limitations or restrictions set forth in the law or regulation involved.
(d) Additional Installations. Subject to the requirements of Subsection (a) of this section, the Department is hereby authorized to install such additional traffic control devices, not expressly provided for in this chapter, as it determines are necessary to regulate, warn, or guide traffic, and to remove such devices when it determines that they are no longer necessary to regulate, warn, or guide traffic. In addition to traffic control devices, the Department is authorized to install certain signs relating to public safety, providing such signs are approved by the Department of Public Works as provided in Section 28.04 and provided further that no such signs shall conflict with or detract from any traffic control devices. The Department is also authorized to remove any such sign. (Amended by Ord. No. 156,852, Eff. 8/1/82.)
(e) Authority of the Department Exclusive. The Department of Transportation shall have the exclusive authority to install, place, maintain or remove any traffic control device or other type of sign in the City of Los Angeles except as provided in this Chapter. The Department of Transportation may delegate its authority to another city agency to install or remove temporary no parking signs. For purposes of this section, a temporary no parking sign is a sign marked "temporary" with an effective period not to exceed 30 days. (Amended by Ord. No. 183,301, Eff. 12/5/14.)
(f) “Install.” Authority to install, as the term is used in this chapter, includes authority to “cause to be installed.”
(g) “Remove.” Authority to remove, as the term is used in this chapter, includes authority to “cause to be removed.”