The operator of any vehicle shall obey the instructions of any
official traffic-control device applicable thereto placed in accordance
with the traffic regulations of the 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.
(Code 1957, § 6032)
No provision of the vehicle code or of this chapter 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.
(Code 1957, § 6032.1)
The city traffic engineer is hereby authorized to remove, relocate
or discontinue the operation of any traffic-control device not specifically
required by the vehicle code or this chapter whenever he shall determine
in any particular case that the conditions which warranted or required
the installation no longer exist or obtain.
(Code 1957, § 6036)
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 those cases where such hours or days are specified
in this chapter.
(Code 1957, § 6037)
The city traffic engineer shall have the power and duty to place
and maintain official traffic-control devices when and as required
under the traffic ordinances or resolutions of the city to make effective
the provisions of such ordinances or resolutions.
(Code 1957, § 6031)
Whenever the vehicle code of the 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 city
traffic engineer is hereby authorized to install the necessary devices,
subject to any limitations or restrictions set forth in the laws applicable
thereto.
(Code 1957, § 6031.1)
The city traffic engineer may also place and maintain such additional
traffic-control devices as he may deem necessary or proper to regulate
traffic or guide or warn traffic, but he 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 ordinances of the city
or as may be determined by ordinance or resolution of the council.
(Code 1957, § 6031.2)
Whenever any ordinance or resolution of the 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 city traffic engineer shall erect and maintain
stop signs as follows:
(1) Location
of signs. A stop sign shall be erected on each and every street intersecting
such through street or portion thereof so designated, at those entrances
of other intersections where a stop is required, and at any railroad
grade crossing so designated.
(2) Conformance
to vehicle code. Every such sign shall conform with, and shall be
placed as provided in the vehicle code.
(Code 1957, § 6041)
Whenever the city traffic engineer shall determine that an emergency
traffic congestion is likely to result from the holding of public
or private assemblages, gatherings or functions, or for other reasons,
he shall have power and authority to order temporary signs to be erected
or posted indicating that the operation, parking or standing of vehicles
is prohibited on such streets and alleys as he shall direct during
the time such temporary signs are in place.
(Code 1957, § 6065.4)
Signs erected or posted pursuant to section 28-94 shall remain
in place only during the existence of such emergency and the city
traffic engineer shall cause such signs to be removed promptly thereafter.
(Code 1957, § 6065.41)
(a) The
city traffic engineer shall establish, designate and maintain crosswalks
at intersections and other places by appropriate devices, marks or
lines upon the surface of the roadway as follows:
Crosswalks shall be established and maintained within the central traffic district and at such intersections outside such district and at such other places within or without such district where the city traffic engineer determines that there is particular hazard to pedestrians crossing the roadway, subject to the limitations contained in subsection
(b) of this section.
(b) Other
than crosswalks at intersections, no crosswalks shall be established
at any block which is less than 400 feet in length and such crosswalk
shall be located as nearly as practicable at midblock.
(c) The
city traffic engineer may place signs at or adjacent to an intersection
in respect to any cross-walk directing that pedestrians shall not
cross in the crosswalk so indicated.
(Code 1957, § 609.51)
Whenever any ordinance or resolution of the city designates
and describes any street or portion thereof as a street the use of
which is permitted by any vehicle exceeding a maximum gross weight
limit of three tons, the city traffic engineer is hereby authorized
to designate such street by appropriate signs as "Truck Routes" for
the movement of vehicles exceeding a maximum gross weight limit of
three tons.
(Code 1957, § 6094)
Whenever any ordinance or resolution of the city designates
and describes any street or portion thereof as a street the use of
which is prohibited by any commercial vehicle, the city traffic engineer
shall erect and maintain appropriate signs on those streets affected
by such ordinance.
(Code 1957, § 6095)
Whenever any ordinance or resolution of the city designates
any one-way street or alley, the city traffic engineer shall place
and maintain signs giving notice thereof.
(Code 1957, § 6097)
Signs indicating the direction of lawful traffic movement shall
be placed at every intersection where movement of traffic in the opposite
direction is prohibited.
(Code 1957, § 6097.2)
The city traffic engineer is hereby 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.
(Code 1957, § 6033)
The city traffic engineer shall ascertain and determine the
locations where signals referred to in section 28-101 are required
by resorting 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 Division of Highways of the State Department
of Public Works.
(Code 1957, § 6033.2)
Whenever the city traffic engineer installs and maintains an
official traffic signal at any intersection, he 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 such intersection.
(Code 1957, § 6033.3)
Whenever the state department of public works determines by
resolution and designates a distinctive roadway marking which shall
indicate no driving over such marking, the city traffic engineer is
authorized to designate by such marking 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 markings
shall have the same effect as similar markings placed by the state
department of public works pursuant to provisions of the vehicle code.
(Code 1957, §§ 6035, 6035.1)
The city traffic engineer is hereby authorized to determine
those intersections within any business or residence district at which
operators of vehicles shall not make a right turn against a red or
stop signal, and shall erect proper signs giving notice of such prohibition.
(Code 1957, § 6039.3)
The city traffic engineer is hereby 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.
(Code 1957, § 6034)
(a) The
city traffic engineer is hereby authorized to determine those intersections
at which operators of vehicles shall not make a right, left or U-turn,
and shall place proper signs at such intersections.
(b) 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.
(Code 1957, §§ 6039, 6039.1)
The city traffic engineer is authorized to place official traffic-control
devices within or adjacent to intersections indicating the course
to be traveled by vehicles turning at such intersections.
(Code 1957, § 6038)
The city traffic engineer is authorized to locate and indicate
more than one lane of traffic from which operators of vehicles may
make right or left turns, and the course to be traveled as so indicated
may conform to or be other than as prescribed by law or ordinance.
(Code 1957, § 6038)