All traffic-control devices, including signs, signals, and pavement or curb markings, installed or used for the purpose of directing and controlling traffic within the city shall conform with the Texas Manual on Uniform Traffic Control Devices (MUTCD) as provided in V.T.C.A., Transportation Code, section 544.001, as amended, which is published by the state department of transportation. All signs, signals, and markings erected or used by the city shall be uniform and be located so far as practicable according to the directions shown in the Manual throughout the city. All existing traffic-control devices, and those erected in the future by the city, being consistent with the Manual, state law, and this chapter, shall be official traffic-control devices.
(1996 Code, art. 10.200; Ordinance adopting Code)
All traffic-control signs, signals, devices, and markings officially placed or erected prior to the adoption of this code and in use for the purpose of regulating, warning, or guiding traffic are hereby affirmed, ratified and declared to be official traffic-control devices of the city, provided such traffic-control devices are not inconsistent with the provisions of this chapter or state law.
(1996 Code, art. 10.700)
The public works director is hereby authorized to determine the appropriate placement of official traffic-control devices in the city in accordance with the Texas Manual on Uniform Traffic Control Devices (MUTCD), as adopted and amended from time to time by the Transportation Code of the state. The director shall have authority, after an engineering or traffic review or study of a situation, to establish written rules regulating traffic by such devices, including, but not limited to, rules regulating or prohibiting the turning of a vehicle or specified type of vehicle, designating an intersection as a stop intersection or a yield intersection, and designating school crossing zones. The director shall supervise the erection or placement of signs or markings as provided by the MUTCD. A person commits an offense if he disregards or disobeys a sign or marking placed by authority of such a rule promulgated by the director pursuant to this section.
(Ordinance 10/26 adopted 8/24/10)
The public works director is hereby authorized to supervise the designation and maintenance, by appropriate devices, markings or lines upon the surface of the roadway, crosswalks at any intersection where, in his opinion, there is particular danger to pedestrians crossing the roadway, and at such other places as he may deem necessary; to supervise the establishment of safety zones of such kind and character and at such places as he may deem necessary for the protection of pedestrians; and to supervise the marking of lanes for traffic on the street pavement at such places as he may deem advisable, consistent with this chapter and state law.
(1996 Code, art. 10.1500; Ordinance adopting Code)
(a) 
The public works director may designate intersections at which traffic shall be controlled by electronic traffic-control signals and lights. Whenever any intersection has been so designated, the public works director shall supervise the erection and maintenance of traffic-control signals or lights as specified by the chief of police. All traffic-control signals, signs or lights described in this section shall be in accordance with the Manual on Uniform Traffic Control Devices.
(b) 
The public works director may designate traffic-control signal light intersections at which traffic facing a steady red traffic-control light shall not turn right. Whenever any intersection has been so designated, the public works director shall supervise the erection and maintenance of traffic-control signs prohibiting a right turn on red as specified by the chief of police.
(1996 Code, sec. 10.1601; Ordinance adopting Code)