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Earlier editions: 2026-09

Title 10 — VEHICLES AND TRAFFIC

Corona Municipal Code Ch. 10.12 Traffic-Control Devices, Signals and Markings

Corona Municipal Code · 2026-10 edition · updated 2026-10-03 · Corona

Cite as: Corona Municipal Code Chapter 10.12 · Text as of 2026-10-03

10.12.010 Traffic-control devices – Installation.

(A) The City Traffic Engineer shall have 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 or this title 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 laws, the City Traffic Engineer shall place and maintain, or cause to be placed and maintained, such appropriate signs, signals or other traffic-control devices as may be authorized under this title or by the Vehicle Code or as may be necessary to carry out the provisions of this title or the Vehicle Code or to warn or guide traffic upon the highways.

(`78 Code, § 10.12.010.) (Ord. 1506 § 1 (part), 1978.)

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10.12.020 Traffic-control devices – 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 legible signs are in place giving notice of such provisions of the traffic laws.

(`78 Code, § 10.12.020.) (Ord. 1506 § 1 (part), 1978.)

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10.12.030 Traffic-control devices – Obedience required.

The operator of any vehicle or train shall obey the instructions of any official traffic-control device placed in accordance with the title unless otherwise directed by a police officer or other authorized person subject to the exceptions granted the operator of an authorized emergency vehicle when responding to emergency calls.

(`78 Code, § 10.12.030.) (Ord. 1506 § 1 (part), 1978.)

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10.12.040 Traffic-control devices – Removal and relocation.

The City Traffic 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 or she determines in any particular case that the conditions which warranted or required the installation no longer exist or obtain.

(`78 Code, § 10.12.040.) (Ord. 1506 § 1 (part), 1978.)

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10.12.050 Traffic-control devices – Hours of operation.

The City Traffic Engineer shall determine the hours and days during which any traffic-control device shall be in operation or be in effect, except in those cases where such hours or days are specified in this title.

(`78 Code, § 10.12.050.) (Ord. 1506 § 1 (part), 1978.)

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10.12.060 Unauthorized painting of curbs.

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 resolution or ordinance of this city pertaining thereto.

(`78 Code, § 10.12.060.) (Ord. 1506 § 1 (part), 1978.)

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10.12.070 Turning markers.

The City Traffic Engineer is authorized to place official traffic-control devices within or adjacent to intersections and indicating the course to be traveled by vehicles turning at such intersections. The City Traffic Engineer is authorized to locate and indicate more than one lane of traffic from which drivers of vehicles may make right or left-hand turns, and the course to be traveled as indicated may conform to or be other than as prescribed by law or ordinance.

(`78 Code, § 10.12.070.) (Ord. 1506§ 1 (part), 1978.)

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10.12.080 Traffic signals – Installation.

(A) The City Traffic 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 Traffic 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 or her determinations therefrom shall be made in accordance with those uniform standards and specifications promulgated by the Department of Transportation.

(C) Whenever the City Traffic Engineer installs and maintains an official traffic signal at any intersection, he or 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 intersection.

(`78 Code, § 10.12.080.) (Ord. 1506 § 1 (part), 1978.)

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10.12.090 Lane marking.

The City Traffic 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 delineating lanes to be used by traffic moving in a particular direction, regardless of the centerline of the highway.

(`78 Code, § 10.12.090.) (Ord. 1506 § 1 (part), 1978.)

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10.12.100 Roadway markings.

The City Traffic Engineer is authorized to place and maintain distinctive roadway markings as described and with the effect set forth in Vehicle Code § 21460 on those streets or 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 markings or signs and markings.

(`78 Code, § 10.12.100.) (Ord. 1506 § 1 (part), 1978.)

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10.12.110 Restricted turn signs.

The City Traffic Engineer is authorized to determine and place proper signs at those intersections at which drivers of vehicles shall not make a right, left or U turn. The making of such turns may be prohibited between certain hours of any day and permitted at other hours, in which event the same shall be plainly indicated on the signs or they may be removed when such turns are permitted.

(`78 Code, § 10.12.110.) (Ord. 1506 § 1 (part), 1978.)

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10.12.120 Signal-controlled intersections – Right turns.

(A) No driver of a vehicle shall make a right turn against a red or stop signal at any intersection which is signposted giving notice of such restriction as provided in this section.

(B) The City Traffic Engineer shall post appropriate signs giving effect to this section where he or she determines that the making of right turns against traffic signal "stop" indication would seriously interfere with the safe and orderly flow of traffic.

(`78 Code, § 10.12.120.) (Ord. 1506 § 1 (part), 1978.)

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10.12.130 Signposting one-way streets and alleys.

Whenever any ordinance or resolution of this city designates any one-way street or alley, the City Traffic Engineer shall place and maintain signs giving notice thereof, and no such regulations shall be effective unless such signs are in place. Signs indicating the direction of lawful traffic movement shall be placed at every intersection where movement of traffic in the opposite direction is prohibited.

(`78 Code, § 10.12.130.) (Ord. 1506 § 1 (part), 1978.)

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10.12.140 Stop signs – Locations – Erection.

Whenever any ordinance or resolution of this city designates and describes any street or portion thereof as a through street, any intersection at which vehicles are required to stop at one or more entrances thereto or any railroad grade crossing at which vehicles are required to stop, the City Traffic Engineer shall erect and maintain stop signs as follows. A stop sign shall be erected on each and every street intersecting such through street or portion thereof so designated and at those entrances to other intersections where a stop is required and at any railroad grade crossing so designated; provided, however, stop signs shall not be erected or maintained at any entrance to an intersection when such entrance is controlled by an official traffic-control signal. Every such sign shall conform with, and shall be placed as provided in, the Vehicle Code.

(`78 Code, § 10.12.140.) (Ord. 1506 § 1 (part), 1978.)

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10.12.150 Stop signs – Application of provisions.

(A) Those streets and parts of streets established by resolution or ordinance of the Council are declared to be through streets for the purposes of this section and § 10.12.140.

(B) The provisions of this section and § 10.12.140 shall also apply at one or more entrances to the intersections as such entrances and intersections are established by resolution or ordinance of the Council.

(C) The provisions of this section and § 10.12.140 shall apply at those highway railway grade crossings established by resolution or ordinance of the Council.

(`78 Code, § 10.12.150.) (Ord. 1506 § 1 (part), 1978.)

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