Earlier editions: 2026-09
Title 10 — VEHICLES AND TRAFFIC
Rialto Municipal Code Ch. 10.12 Traffic Control Devices
Rialto Municipal Code · 2026-10 edition · updated 2026-10-04 · Rialto
Cite as: Rialto Municipal Code Chapter 10.12 · Text as of 2026-10-04
Footnotes:
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For statutory provisions authorizing local authorities to place traffic control devices as necessary to implement local ordinances, see Veh. Code § 21351; for the provisions relating to the local use of traffic control devices, see Veh. Code § 21331; for the provisions establishing uniform standards for such devices, see Veh. Code § 21400 et seq.
10.12.010 - Installation authority.¶
A. The city engineer has the power and duty to place and maintain or cause to be placed and maintained official traffic control devices when and as required to make effective the provisions of this title.
B. Whenever the Vehicle Code requires for the effectiveness of any provision thereof that traffic control devices be installed to give notice to the public of the application of such law the city engineer is authorized to install or cause to be installed the necessary devices subject to any limitations or restrictions set forth in the law applicable thereto.
C. The city engineer may also place and maintain or cause to place and maintain such additional traffic control devices as he/she deems necessary or proper to regulate traffic or to guide or warn traffic, but he/she shall make such determination only upon the basis of traffic engineering principles and traffic investigations and in accordance with such standards, limitations, and rules as may be set forth in this title or as may be determined by ordinance or resolution of the council.
(Ord. 1234 (part), 1995: Ord. 642 § 1 (part), 1973: 1965 code Title XI, Ch. 1, § 3)
10.12.020 - Signs required for enforcement purposes.¶
No provision of the Vehicle Code or of this title for which signs are required shall be enforced against an alleged violator unless appropriate legible signs are in place giving notice of such provisions of the traffic laws.
(Ord. 642 § 1 (part), 1973: 1965 code Title XI, Ch. 1, § 3.1)
10.12.030 - Signal installation.¶
A. The city engineer is directed to install and maintain official traffic signals at those intersections and other places where traffic conditions are such as to require that the flow of traffic be alternately interrupted and released in order to prevent or relieve traffic congestion or to protect life or property from exceptional hazard.
B. The city engineer shall ascertain and determine the locations where such signals are required by field investigation, traffic counts and other traffic information as may be pertinent and his/her determinations therefrom shall be made in accordance with those traffic engineering and safety standards and instructions set forth in the California Traffic Manual issued by the Division of Highways of the State Department of Public Works.
C. When the city engineer installs and maintains an official traffic signal at any intersection, he/she shall likewise erect and maintain at such intersection street name signs clearly visible to traffic approaching from all directions unless such street name signs have previously been placed and are maintained at any such intersection.
(Ord. 1234 (part), 1995: Ord. 642 § 1 (part), 1973: 1965 code Title XI, Ch. 1, § 3.2)
10.12.040 - Lane marking.¶
The city engineer is authorized to mark centerlines and lane lines upon the surface of the roadway to indicate the course to be traveled by vehicles and may place signs temporarily designating lanes to be used by traffic moving in a particular direction, regardless of the centerline of the highway.
(Ord. 642 § 1 (part), 1973: 1965 code Title XI, Ch. 1, § 3.3)
10.12.050 - Distinctive roadway markings.¶
The city engineer is authorized to place and maintain distinctive roadway markings as described in the Vehicle Code on those streets or parts of streets where the volume of traffic or the vertical or other curvature of the roadway renders it hazardous to drive on the left side of such marking or signs and markings. Such marking or signs and marking have the same effect as similar markings placed by the State Department of Public Works pursuant to provisions of the Vehicle Code.
(Ord. 642 § 1 (part), 1973: 1965 code Title XI, Ch. 1, § 3.4)
10.12.060 - Removal, relocation authority.¶
The city engineer is authorized to remove, relocate or discontinue the operation of any traffic control device not specifically required by the Vehicle Code or this title whenever he/she determines in any particular case that the conditions which warranted or required the installation no longer exist or obtain.
(Ord. 1234 (part), 1995: Ord. 642 § 1 (part), 1973: 1965 code Title XI, Ch. 1, § 3.5)
10.12.070 - Hours of operation.¶
The city engineer and chief of police determine the hours and days during which any traffic control device shall be in operation or in effect, except in those cases where such hours or days are specified in this title.
(Ord. 642 § 1 (part), 1973: 1965 code Title XI, Ch. 1, § 3.6)
10.12.080 - Unauthorized curb painting.¶
No person, unless authorized by this city, shall paint any street or curb surface; provided, however, that this section shall not apply to the painting of numbers on a curb surface by any person who has complied with the provisions of any city resolution or ordinance pertaining thereto.
(Ord. 642 § 1 (part), 1973: 1965 code Title XI, Ch. 1, § 3.7)
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