All traffic-control devices including signs, signals and markings (pavement and/or curb) installed or used for the purpose of directing and controlling traffic within the city shall conform with the manual and specifications adopted by the state transportation commission as provided in V.T.C.A., Transportation Code, section 544.001. All signs, signals and markings erected or used by the city must conform to the manual and specifications adopted under V.T.C.A., Transportation Code, section 544.001. All existing traffic-control devices and those erected in the future by the city being consistent with the manual and specifications, state law and this section shall be official traffic-control devices.
(1987 Code, ch. 9, sec. 2(A); Ordinance adopting 2018 Code)
(a) 
No person shall place, maintain, or display upon or in view of any highway, street, or alley any unauthorized sign, signal, marking, or device which purports to be or is an imitation of or resembles an official traffic-control device or railroad sign or signal, or which attempts to direct the movement of traffic, or which hides from view or interferes with the effectiveness of any official traffic-control device or any railroad sign or signal.
(b) 
No person shall place or maintain nor shall any public authority permit upon any highway, street, or alley any traffic sign or signal bearing thereon any commercial [advertising].
(c) 
Every such prohibited sign, signal, or marking is hereby declared to be a public nuisance, and the city administrator is hereby empowered to remove the same or cause it to be moved without notice.
(d) 
This section shall not be deemed to prohibit the erection upon private property adjacent to highways, streets, or alleys of signs giving useful directional information and of a type that cannot be mistaken for official signs, when erected in accordance with city sign regulations.
(1987 Code, ch. 9, sec. 2(B))
No person shall, without lawful authority, attempt to or in fact alter, deface, injure, knock down, or remove any official traffic-control device, sign, or signal or any railroad sign or signal or any inscription, shield, or insignia thereof, or any street name sign or any part thereof.
(1987 Code, ch. 9, sec. 2(C))
(a) 
After the adoption of this Code of Ordinances, the city council shall, by ordinance, direct the location of all future traffic-control signs, signals, and markings. The city administrator shall have the duty of erecting or installing upon, over, along, or beside any highway, street, or alley, signs, signals, and markings, as are necessary to enforce such ordinances, or causing the same to be erected, installed, or placed, in accordance with this chapter and consistent with the Manual on Uniform Traffic Control Devices. Said traffic-control devices shall be installed immediately upon authorization by the city council, or as soon as such specific device, sign, or signal can be procured.
(b) 
Whenever the city administrator has erected and installed any official traffic-control device, sign, or signal at any location in the city, or has caused the same to be done under his direction, in obedience to this chapter and the Manual on Uniform Traffic Control Devices, the city administrator shall thereafter file a report with the city secretary, in writing, stating the type of traffic-control device, sign, or signal, and when and where the same was erected and installed. The city secretary shall file and maintain such report of the city administrator among the official papers of the city.
(1987 Code, ch. 9, sec. 2(D))
It being unlawful for any person other than the city administrator, acting pursuant to an ordinance of the city, to install or cause to be installed any signal, sign, or device purporting to direct the use of the streets or the activities on those streets of pedestrians, vehicles, motor vehicles, or animals, proof, in any prosecution for a violation of this chapter or any traffic ordinance of the city, that any traffic-control device, sign, signal, or marking was actually in place on any street shall constitute prima facie evidence that the same was installed by the city administrator pursuant to the authority of this chapter and of the ordinance directing the installation of such device, signal, or marking.
(1987 Code, ch. 9, sec. 2(E))
The driver of any vehicle, motor vehicle, or animal shall obey the instructions of any official traffic-control device, sign, signal, or marking applicable thereto placed in accordance with this chapter, unless otherwise directed by a law enforcement officer, subject to the exceptions granted the driver of an authorized emergency vehicle as provided for in the state motor vehicle laws.
(1987 Code, ch. 9, sec. 2(F))
The city administrator or his designee is hereby empowered to install or erect temporary barricades and traffic-control devices to protect the public in case of emergencies and special situations. It shall be unlawful for unauthorized vehicles to pass through a barricaded work area or to fail to comply with temporary traffic-control devices.
(1987 Code, ch. 9, sec. 2(G))
All traffic-control signs, signals, devices, and markings placed or erected prior to the adoption of this Code of Ordinances and in use for the purpose of regulating, warning, or guiding vehicles or pedestrian traffic are hereby affirmed, ratified, and declared to be official traffic-control devices, provided such traffic-control devices are not inconsistent with the provisions of this chapter or state law.
(1987 Code, ch. 9, sec. 2(H))