Members of the Police Department, special police, and auxiliary police assigned to traffic duty are hereby authorized to direct all traffic in accordance with the provisions of this article or in emergencies as public safety or convenience may require, and it shall be unlawful for any person to fail or refuse to comply with any lawful order, signal or direction of a policeman. Except in cases of emergency, it shall be unlawful for any person not authorized by law to direct or attempt to direct traffic.
The officer in command of any firefighting unit or any firemen designated by such officer in command may exercise powers and authority of a policeman in directing traffic at the scene of any fire or at any location to which such firefighting unit has responded to an emergency call for so long as the firefighting equipment is on the scene, in the absence of or in assisting to the Police Department.
[Amended at time of adoption of Code (see Ch. 1, Administration, Art. I, General Code Provisions, Div. I)]
It shall be unlawful for the driver of any vehicle to disobey the instructions of any traffic sign or signal placed in view by authority of the corporate authorities or in accordance with the laws of the State of Illinois except upon direction of a police officer. All signs and signals established by direction of the governing body shall conform to the Illinois Manual on Uniform Traffic Control Devices, as amended and supplemented.
No person shall place, maintain or display upon or in view of any street any unauthorized sign, signal, marking, light, reflector 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, nor shall any person place, maintain or display upon or in view of any street any other sign which hides from view or interferes with the movement of traffic or effectiveness of any traffic control device or any railroad sign or signal, and no person shall place or maintain, nor shall any public authority permit upon any highway any traffic sign or signal bearing thereon any commercial advertising. No tree, bush or foliage of any kind shall be so placed, maintained, allowed to remain, or be displayed upon either public or private property in such a manner as to hide from view or interfere with the movement of traffic or the effectiveness of any traffic control device, sign or signal.
The Street Department may indicate the ownership of all Village traffic control signals, signs or markers by placing a legend upon the backs of such devices in letters no less than 3/8 of an inch nor more than 3/4 of an inch in height by use of metal stamp etching or other permanent means. The presence of such markings upon a sign shall be prima facie evidence that the same is, in fact, the Village's property.
It shall be unlawful for any person to deface, injure, move or interfere with any official traffic sign or signal.
It shall be unlawful to maintain anywhere in the Village any sign, signal, marking or device other than a traffic sign or signal authorized by the Village Board or the Illinois Department of Transportation, which purports to be or is an imitation of or resembles an official traffic control device or railroad sign or signal in view of any street or highway, and it shall be unlawful to place or maintain any sign which hides from view any lawful traffic control device. It shall be unlawful to maintain or operate any flashing or rotating beacon f light in view of any street or highway. (See Chapter 27, Offenses, and Chapter 33, Street Regulations; see also Zoning Code.)
Any person riding a bicycle or an animal or driving any animal drawing a vehicle upon any street shall be subject to the provisions of this chapter applicable to the driver of a vehicle, except those provisions which can have no application to one riding a bicycle or driving or riding an animal.
When used at nighttime, every bicycle shall be equipped with the following:
(A) 
A lamp upon the front which emits a white light visible from a distance of at least 500 feet to the front.
(B) 
A red reflector on the rear which shall be visible to a distance of 100 feet to 600 feet to the rear when directly in front of lawful lower beams of headlights on a motor vehicle, except that a lamp emitting a steady or flashing red light visible from a distance of 500 feet to the rear may be used in addition to or instead of the red reflector.
[Amended at time of adoption of Code (see Ch. 1, Administration, Art. I, General Code Provisions, Div. I)]
(C) 
A reflex reflector on each pedal visible from the front and rear of the bicycle from a distance up to 200 feet when viewed within the lawful lower beams of headlights on a motor vehicle.
(D) 
Side reflectors upon each side of the bicycle which shall be visible up to a distance of 500 feet when viewed directly in front of a lawful lower beam of motor vehicle headlights. The requirements of this subsection may be met by reflective materials which shall be at least 3/16 of an inch wide on each side of each tire or rim, which may indicate as clearly as possible the continuous circular shape and size of the tires or rims of the bicycle and which reflective materials may be of the same color on both the front and rear tire rim.