Title 10 — VEHICLES AND TRAFFIC
American Canyon Municipal Code Ch. 10.12 Traffic Control Devices
American Canyon Municipal Code · 2026-09 edition · updated 2026-10-04 · American Canyon
Cite as: American Canyon Municipal Code Chapter 10.12 · Text as of 2026-10-04
10.12.010 Authority to install traffic control devices.¶
(A) The traffic engineer shall have the exclusive power and duty to place and maintain or cause to be placed and maintained official traffic control devices when and as required under the traffic regulations of this city to make effective the provisions of the regulations.
(B) Whenever the Vehicle Code of this state 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 traffic engineer is authorized to install the necessary devices subject to any limitations or restrictions set forth in the law applicable thereto.
(C) The traffic engineer may also place and maintain such additional traffic control devices as he or she may deem necessary to regulate traffic or to guide or warn traffic, but he or 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 the traffic regulations of this city or as may be hereafter determined by the legislative body of this code.
Ord. 92-19 § 60, 1992
10.12.020 When traffic control devices required for enforcement purposes.¶
No provisions of the
Vehicle Code or of this code for which signs are required shall be enforced against an alleged violator unless appropriate signs are in place and sufficiently legible to be seen by an ordinarily observant person, giving notice of such provisions of the traffic laws.
Ord. 92-19 § 61, 1992
10.12.030 Obedience to traffic control devices.¶
The driver of any vehicle shall obey the instructions of any
official traffic control devices applicable thereto placed in accordance with the traffic regulations of this city unless otherwise directed by a police officer subject to the exceptions granted the driver of an authorized emergency vehicle when responding to emergency calls.
Ord. 92-19 § 62, 1992
10.12.040 Installation of traffic signals.¶
(A) Official traffic signals shall be installed and maintained 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 traffic engineer shall ascertain and determine the locations where such signals are required to resort to field observation, traffic counts and other traffic information as may be pertinent and his determinations therefrom shall be made in accordance with those traffic engineering and safety standards and instructions set forth in the California Maintenance Manual issued by the California Department of Transportation (Caltrans).
Ord. 92-19 § 63, 1992
10.12.050 Lane markings.¶
The traffic engineer is authorized to mark center lines 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 center line of the highway. When authorized signs have been placed designating off-center traffic lanes, no person shall disobey the instructions given by such signs.
Ord. 92-19 § 64, 1992
10.12.060 Authority to remove, relocate or discontinue traffic control devices.¶
The traffic engineer
is authorized to remove, relocate or discontinue the operation of any traffic control device not specifically required by state law or this code whenever he shall determine in any particular case that the conditions which warranted or required the installation no longer exist or obtain.
Ord. 92-19 § 65, 1992
10.12.070 Traffic control devices—Hours of operation.¶
The 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 code.
Ord. 92-19 § 66, 1992
10.12.080 Unauthorized painting of curbs.¶
It shall be unlawful for any person, without authority from the
city to place or maintain paint or other material upon any curb in the city in a manner which purports to be, or is, an imitation of or resembles official indication of parking regulations.
Ord. 92-19 § 67, 1992
10.12.090 Traffic engineer to erect stop signs.¶
Whenever any resolution of this city designates and
describes any street or portion thereof as a through street, or 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 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 of other intersections where a stop is required and at any railroad grade crossing so designated. Every such sign shall conform with and shall be placed as provided in Section 21355 of the Vehicle Code.
Ord. 94-01 § 9, 1994
Ord. 92-19 § 90, 1992
10.12.100 Stop at through street or stop sign.¶
(A) Those streets and parts of streets described in such resolution, and those streets and parts of streets heretofore designated and signed by this city as through streets until other designations are made, are declared to be through streets for purposes of this section.
(B) The provisions of this section shall also apply at one or more entrances to the intersections as such entrances and intersections have been heretofore designated and signed by this city until other designations are made or as may be hereafter described in such resolution.
(C) The provisions of this section shall also apply at those railroad grade crossings as such railroad grade crossings have been heretofore designated and signed by this city until other designations are made or as may be hereafter described in such resolution.
(D) When stop signs are erected, as herein provided, at the entrance to any intersection or at any railroad grade crossing every driver of a vehicle shall stop, as required by the Vehicle Code.
Ord. 92-19 § 91, 1992
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