[RSMo. §300.015]
There is established in the Police Department a Traffic Division to be under the control of an Officer of Police appointed by and directly responsible to the Chief of Police.
[RSMo. §300.020]
The Traffic Division with such aid as may be rendered by other members of the Police Department shall enforce the street traffic regulations of the City and all of the State vehicle laws applicable to street traffic in the City to make arrests for traffic violations, to investigate accidents and to cooperate with the City Traffic Engineer and other Officers of the City in the administration of the traffic laws and in developing ways and means to improve traffic conditions and to carry out those duties specially imposed upon the division by this Code and the traffic ordinances of the City.
[RSMo. §300.025]
A. 
The Police Department or the Traffic Division thereof shall keep a record of all violations of the traffic ordinances of the City or of the State vehicle laws of which any person has been charged, together with a record of the final disposition of all such alleged offenses. Such record shall be so maintained as to show all types of violations and the total of each. Said record shall accumulate during at least a five (5) period and from that time on the record shall be maintained complete for at least the most recent five (5) year period.
B. 
All forms for records of violations and notices of violations shall be serially numbered. For each month and year a written record shall be kept available to the public showing the disposal of all such forms.
C. 
All such records and reports shall be public records.
[RSMo. §300.030]
It shall be the duty of the Traffic Division, assisted by other Police Officers of the Department, to investigate traffic accidents, to arrest and to assist in the prosecution of those persons charged with violations of law causing or contributing to such accidents.
[RSMo. §300.035]
Whenever the accidents at any particular location become numerous, the Traffic Division shall cooperate with the City Traffic Engineer in conducting studies of such accidents and determining remedial measures.
[RSMo. §300.040]
The Traffic Division shall maintain a suitable system of filing traffic accident reports. Accident reports or cards referring to them shall be filed alphabetically by location. Such reports shall be available for the use and information of the City Traffic Engineer.
[RSMo. §300.045]
The Police Department or the Traffic Division thereof shall maintain a suitable record of all traffic accidents, warnings, arrests, convictions, and complaints reported for each driver, which shall be filed alphabetically under the name of the driver concerned.
[RSMo. §300.050]
A. 
The Traffic Division shall annually prepare a traffic report which shall be filed with the Mayor. Such report shall contain information on traffic matters in the City as follows:
1. 
The number of traffic accidents, the number of persons killed, the number of persons injured, and other pertinent traffic accident data.
2. 
The number of traffic accidents investigated and other pertinent data on the safety activities of the Police.
3. 
The plans and recommendations of the division for future traffic safety activities.
[RSMo. §300.055]
The Traffic Division shall designate a type of pennant or other identifying insignia to be displayed upon, or other method to be employed to identify, the vehicles in funeral processions.
[RSMo. §300.060]
A. 
The office of City Traffic Engineer is established. The City Engineer or other designated City official shall serve as City Traffic Engineer in addition to his/her other functions, and shall exercise the powers and duties with respect to traffic as provided in this Title.
B. 
The City Traffic Engineer shall determine the installation and proper timing and maintenance of traffic control devices, conduct engineering analyses of traffic accidents and devise remedial measures, conduct engineering investigation of traffic conditions, plan the operation of traffic on the streets and highways of the City, and cooperate with other City Officials in the development of ways and means to improve traffic conditions, and carry out the additional powers and duties imposed by ordinances of the City.
[RSMo. §300.065]
A. 
The Chief of Police by and with the approval of the City Traffic Engineer is hereby empowered to make regulations necessary to make effective the provisions of the traffic ordinances of the City and to make and enforce temporary or experimental regulations to cover emergencies or special conditions. No such temporary or experimental regulation shall remain in effect for more than ninety (90) days.
B. 
The City Traffic Engineer may test traffic control devices under actual conditions of traffic.
[RSMo. §300.070]
A. 
There is established a Traffic Commission to serve without compensation, consisting of the City Traffic Engineer, the Chief of Police or in his/her discretion as his/her representative the Chief of the Traffic Division, the Chairman of the Board Traffic Committee, and one (1) representative each from the City Engineer's office and the City Attorney's office and such number of other City Officers and representatives of unofficial bodies as may be determined and appointed by the Mayor. The Chairman of the Commission shall be appointed by the Mayor and may be removed by him/her.
B. 
It shall be the duty of the Traffic Commission, and to this end it shall have the authority within the limits of the funds at its disposal, to coordinate traffic activities, to supervise the preparation and publication of traffic reports, to receive complaints having to do with traffic matters, and to recommend to the Board of Alderpersons of the City and to the City Traffic Engineer, the Chief of the Traffic Division, and other City Officials ways and means for improving traffic conditions and the administration and enforcement of traffic regulations.