[Ch. 19 §19.401]
The Supervisor of Streets, with the advice of the Chief of Police,
shall place and maintain traffic control signs, signals, and devices
when and as required under the traffic ordinances of the City to make
effective the provisions of said ordinances, and may place and maintain
such additional traffic control devices as he/she may deem necessary
to regulate traffic under the traffic ordinances of the City or under
State law or to guide or warn traffic.
[Ch. 19 §19.402]
All traffic control signs, signals and devices shall conform
to the manual and specifications approved by the State Highways and
Transportation Commission or resolution adopted by the legislative
body of the City. All signs or signals required hereunder for a particular
purpose shall so far as practicable be uniform as to type and location
throughout the City. All traffic control devices so erected and not
inconsistent with the provisions of this Title shall be official traffic
control devices.
[Ch. 19 §19.403]
The driver of any vehicle shall obey the instructions of any
official traffic control device applicable thereto placed in accordance
with the provisions of this Title, unless otherwise directed by a
Police Officer, subject to the exceptions granted the driver of an
authorized emergency vehicle in this Title.
[Ch. 19 §19.404]
No provision of this Title for which official traffic control
devices are required shall be enforced against an alleged violator
if at the time and place of the alleged violation an official device
is not in proper position and sufficiently legible to be seen by an
ordinarily observant person.
[Ch. 19 §19.408]
When lane direction control signals are placed over individual
lanes of a street or highway, vehicular traffic may travel in any
lane over which a green signal is shown, but shall not enter or travel
in any lane over which a red signal is shown.
[Ch. 19 §19.409]
No person shall place, maintain or display upon or in view of
any highway an 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.
[Ch. 19 §19.410]
No person shall, without lawful authority, attempt to or in
fact alter, deface, injure, knock down or remove any official traffic
control device or any part thereof.
[Ord. No. 5-15 §18, 7-2-1951]
The Police Officers shall have authority to declare any street
or part thereof, excepting U.S. marked and State highway, a "play
street", and to place appropriate signs, markings or devices in the
roadway indicating and helping to protect same. Play streets declared
on U.S. marked and State highways before coming effective shall be
approved in writing by the proper officials of the Missouri State
Highway Department.
[Ch. 19 §19.413]
It shall be unlawful for any person to drive a motor vehicle
across private property for the purpose of avoiding an official traffic
control device.