(625 ILCS 5/12-215)
    Sec. 12-215. Oscillating, rotating, or flashing lights on motor vehicles. Except as otherwise provided in this Code:
    (a) The use of red or white oscillating, rotating, or flashing lights, whether lighted or unlighted, is prohibited except on:
        1. Law enforcement vehicles of State, federal, or local authorities;
        2. A vehicle operated by a police officer or county coroner and designated or authorized
    
by local authorities, in writing, as a law enforcement vehicle; however, such designation or authorization must be carried in the vehicle;
        2.1. A vehicle operated by a fire chief, deputy fire chief, or assistant fire chief who
    
has completed an emergency vehicle operation training course approved by the Office of the State Fire Marshal and designated or authorized by local authorities, fire departments, or fire protection districts, in writing, as a fire department, fire protection district, or township fire department vehicle; however, the designation or authorization must be carried in the vehicle, and the lights may be visible or activated only when responding to a bona fide emergency;
        3. Vehicles of local fire departments and State or federal firefighting vehicles;
        4. Vehicles which are designed and used exclusively as ambulances or rescue vehicles;
    
furthermore, such lights shall not be lighted except when responding to an emergency call for and while actually conveying the sick or injured;
        4.5. Vehicles which are occasionally used as rescue vehicles that have been authorized
    
for use as rescue vehicles by a volunteer EMS provider, provided that the operator of the vehicle has successfully completed an emergency vehicle operation training course recognized by the Department of Public Health; furthermore, the lights shall not be lighted except when responding to an emergency call for the sick or injured;
        5. Tow trucks licensed in a state that requires such lights; furthermore, such lights
    
shall not be lighted on any such tow truck while the tow truck is operating in the State of Illinois;
        6. Vehicles of the Illinois Emergency Management Agency, vehicles of the Office of the
    
Illinois State Fire Marshal, vehicles of the Illinois Department of Public Health, vehicles of the Illinois Department of Corrections, and vehicles of the Illinois Department of Juvenile Justice;
        7. Vehicles operated by a local or county emergency management services agency as
    
defined in the Illinois Emergency Management Agency Act;
        8. School buses operating alternately flashing head lamps as permitted under Section
    
12-805 of this Code;
        9. Vehicles that are equipped and used exclusively as organ transplant vehicles when
    
used in combination with blue oscillating, rotating, or flashing lights; furthermore, these lights shall be lighted only when the transportation is declared an emergency by a member of the transplant team or a representative of the organ procurement organization;
        10. Vehicles of the Illinois Department of Natural Resources that are used for mine
    
rescue and explosives emergency response;
        11. Vehicles of the Illinois Department of Transportation identified as Emergency
    
Traffic Patrol; the lights shall not be lighted except when responding to an emergency call or when parked or stationary while engaged in motor vehicle assistance or at the scene of the emergency; and
        12. Vehicles of the Illinois State Toll Highway Authority with a gross vehicle
    
weight rating of 9,000 pounds or more and those identified as Highway Emergency Lane Patrol; the lights shall not be lighted except when responding to an emergency call or when parked or stationary while engaged in motor vehicle assistance or at the scene of the emergency.
    (b) The use of amber oscillating, rotating, or flashing lights, whether lighted or unlighted, is prohibited except on:
        1. Second division vehicles designed and used for towing or hoisting vehicles;
    
furthermore, such lights shall not be lighted except as required in this paragraph 1; such lights shall be lighted when such vehicles are actually being used at the scene of a crash or disablement; if the towing vehicle is equipped with a flat bed that supports all wheels of the vehicle being transported, the lights shall not be lighted while the vehicle is engaged in towing on a highway; if the towing vehicle is not equipped with a flat bed that supports all wheels of a vehicle being transported, the lights shall be lighted while the towing vehicle is engaged in towing on a highway during all times when the use of headlights is required under Section 12-201 of this Code; in addition, these vehicles may use white oscillating, rotating, or flashing lights in combination with amber oscillating, rotating, or flashing lights as provided in this paragraph;
        2. Motor vehicles or equipment of the State of Illinois, the Illinois State Toll Highway
    
Authority, local authorities, and contractors; furthermore, such lights shall not be lighted except while such vehicles are engaged in maintenance or construction operations within the limits of construction projects;
        3. Vehicles or equipment used by engineering or survey crews; furthermore, such lights
    
shall not be lighted except while such vehicles are actually engaged in work on a highway;
        4. Vehicles of public utilities, municipalities, or other construction, maintenance, or
    
automotive service vehicles except that such lights shall be lighted only as a means for indicating the presence of a vehicular traffic hazard requiring unusual care in approaching, overtaking, or passing while such vehicles are engaged in maintenance, service, or construction on a highway;
        5. Oversized vehicle or load; however, such lights shall only be lighted when moving
    
under permit issued by the Department under Section 15-301 of this Code;
        6. The front and rear of motorized equipment owned and operated by the State of Illinois
    
or any political subdivision thereof, which is designed and used for removal of snow and ice from highways;
        6.1. The front and rear of motorized equipment or vehicles that (i) are not owned by the
    
State of Illinois or any political subdivision of the State, (ii) are designed and used for removal of snow and ice from highways and parking lots, and (iii) are equipped with a snow plow that is 12 feet in width; these lights may not be lighted except when the motorized equipment or vehicle is actually being used for those purposes on behalf of a unit of government;
        7. Fleet safety vehicles registered in another state, furthermore, such lights shall not
    
be lighted except as provided for in Section 12-212 of this Code;
        8. Such other vehicles as may be authorized by local authorities;
        9. Law enforcement vehicles of State or local authorities when used in combination with
    
red oscillating, rotating, or flashing lights;
        9.5. Propane delivery trucks;
        10. Vehicles used for collecting or delivering mail for the United States Postal Service
    
provided that such lights shall not be lighted except when such vehicles are actually being used for such purposes;
        10.5. Vehicles of the Office of the Illinois State Fire Marshal, provided that such
    
lights shall not be lighted except for when such vehicles are engaged in work for the Office of the Illinois State Fire Marshal;
        11. Any vehicle displaying a slow-moving vehicle emblem as provided in Section 12-205.1;
        12. All trucks equipped with self-compactors or roll-off hoists and roll-on containers
    
for garbage, recycling, or refuse hauling. Such lights shall not be lighted except when such vehicles are actually being used for such purposes;
        13. Vehicles used by a security company, alarm responder, control agency, or the
    
Illinois Department of Corrections;
        14. Security vehicles of the Department of Human Services; however, the lights shall not
    
be lighted except when being used for security related purposes under the direction of the superintendent of the facility where the vehicle is located; and
        15. Vehicles of union representatives, except that the lights shall be lighted only
    
while the vehicle is within the limits of a construction project.
    (c) The use of blue oscillating, rotating, or flashing lights, whether lighted or unlighted, is prohibited except on:
        1. Rescue squad vehicles not owned by a fire department or fire protection district and
    
vehicles owned or operated by a:
            voluntary firefighter;
            paid firefighter;
            part-paid firefighter;
            call firefighter;
            member of the board of trustees of a fire protection district;
            paid or unpaid member of a rescue squad;
            paid or unpaid member of a voluntary ambulance unit; or
            paid or unpaid members of a local or county emergency management services agency as
        
defined in the Illinois Emergency Management Agency Act, designated or authorized by local authorities, in writing, and carrying that designation or authorization in the vehicle.
        However, such lights are not to be lighted except when responding to a bona fide
    
emergency or when parked or stationary at the scene of a fire, rescue call, ambulance call, or motor vehicle crash.
        Any person using these lights in accordance with this subdivision (c)1 must carry on his
    
or her person an identification card or letter identifying the bona fide member of a fire department, fire protection district, rescue squad, ambulance unit, or emergency management services agency that owns or operates that vehicle. The card or letter must include:
            (A) the name of the fire department, fire protection district, rescue squad,
        
ambulance unit, or emergency management services agency;
            (B) the member's position within the fire department, fire protection district,
        
rescue squad, ambulance unit, or emergency management services agency;
            (C) the member's term of service; and
            (D) the name of a person within the fire department, fire protection district,
        
rescue squad, ambulance unit, or emergency management services agency to contact to verify the information provided.
        2. Police department vehicles in cities having a population of 500,000 or more
    
inhabitants.
        3. Law enforcement vehicles of State or local authorities when used in combination with
    
red oscillating, rotating, or flashing lights.
        4. Vehicles of local fire departments and State or federal firefighting vehicles when
    
used in combination with red oscillating, rotating, or flashing lights.
        5. Vehicles which are designed and used exclusively as ambulances or rescue vehicles
    
when used in combination with red oscillating, rotating, or flashing lights; furthermore, such lights shall not be lighted except when responding to an emergency call.
        6. Vehicles that are equipped and used exclusively as organ transport vehicles when used
    
in combination with red oscillating, rotating, or flashing lights; furthermore, these lights shall only be lighted when the transportation is declared an emergency by a member of the transplant team or a representative of the organ procurement organization.
        7. Vehicles of the Illinois Emergency Management Agency, vehicles of the Office of the
    
Illinois State Fire Marshal, vehicles of the Illinois Department of Public Health, vehicles of the Illinois Department of Corrections, and vehicles of the Illinois Department of Juvenile Justice, when used in combination with red oscillating, rotating, or flashing lights.
        8. Vehicles operated by a local or county emergency management services agency as
    
defined in the Illinois Emergency Management Agency Act, when used in combination with red oscillating, rotating, or flashing lights.
        9. Vehicles of the Illinois Department of Natural Resources that are used for mine
    
rescue and explosives emergency response, when used in combination with red oscillating, rotating, or flashing lights.
    (c-1) In addition to the blue oscillating, rotating, or flashing lights permitted under subsection (c), and notwithstanding subsection (a), a vehicle operated by a voluntary firefighter, a voluntary member of a rescue squad, or a member of a voluntary ambulance unit may be equipped with flashing white headlights and blue grill lights, which may be used only in responding to an emergency call or when parked or stationary at the scene of a fire, rescue call, ambulance call, or motor vehicle crash.
    (c-2) In addition to the blue oscillating, rotating, or flashing lights permitted under subsection (c), and notwithstanding subsection (a), a vehicle operated by a paid or unpaid member of a local or county emergency management services agency as defined in the Illinois Emergency Management Agency Act, may be equipped with white oscillating, rotating, or flashing lights to be used in combination with blue oscillating, rotating, or flashing lights, if authorization by local authorities is in writing and carried in the vehicle.
    (d) The use of a combination of amber and white oscillating, rotating, or flashing lights, whether lighted or unlighted, is prohibited except on second division vehicles designed and used for towing or hoisting vehicles or motor vehicles or equipment of the State of Illinois, local authorities, contractors, and union representatives; furthermore, such lights shall not be lighted on second division vehicles designed and used for towing or hoisting vehicles or vehicles of the State of Illinois, local authorities, and contractors except while such vehicles are engaged in a tow operation, highway maintenance, or construction operations within the limits of highway construction projects, and shall not be lighted on the vehicles of union representatives except when those vehicles are within the limits of a construction project.
    (e) All oscillating, rotating, or flashing lights referred to in this Section shall be of sufficient intensity, when illuminated, to be visible at 500 feet in normal sunlight.
    (f) Nothing in this Section shall prohibit a manufacturer of oscillating, rotating, or flashing lights or his representative or authorized vendor from temporarily mounting such lights on a vehicle for demonstration purposes only. If the lights are not covered while the vehicle is operated upon a highway, the vehicle shall display signage indicating that the vehicle is out of service or not an emergency vehicle. The signage shall be displayed on all sides of the vehicle in letters at least 2 inches tall and one-half inch wide. A vehicle authorized to have oscillating, rotating, or flashing lights mounted for demonstration purposes may not activate the lights while the vehicle is operated upon a highway.
    (g) Any person violating the provisions of subsection (a), (b), (c), or (d) of this Section who without lawful authority stops or detains or attempts to stop or detain another person shall be guilty of a Class 2 felony.
    (h) Except as provided in subsection (g) above, any person violating the provisions of subsection (a) or (c) of this Section shall be guilty of a Class A misdemeanor.
(Source: P.A. 102-842, eff. 1-1-23; 102-982, eff. 7-1-23; 103-154, eff. 6-30-23.)