(625 ILCS 5/11-208) (from Ch. 95 1/2, par. 11-208)

Sec. 11-208. Powers of local authorities.

(a) The provisions of this Code shall not be deemed to prevent local authorities with respect to streets and highways under their jurisdiction and within the reasonable exercise of the police power from:

1. Regulating the standing or parking of vehicles, except as limited by Sections 11-1306 and 11-1307 of this Act;

2. Regulating traffic by means of police officers or traffic control signals;

3. Regulating or prohibiting processions or assemblages on the highways; and certifying persons to control traffic for processions or assemblages;

4. Designating particular highways as one-way highways and requiring that all vehicles thereon be moved in one specific direction;

5. Regulating the speed of vehicles in public parks subject to the limitations set forth in Section 11-604;

6. Designating any highway as a through highway, as authorized in Section 11-302, and requiring that all vehicles stop before entering or crossing the same or designating any intersection as a stop intersection or a yield right-of-way intersection and requiring all vehicles to stop or yield the right-of-way at one or more entrances to such intersections;

7. Restricting the use of highways as authorized in Chapter 15;

8. Regulating the operation of mobile carrying devices, bicycles, low-speed electric bicycles, and low-speed gas bicycles, and requiring the registration and licensing of same, including the requirement of a registration fee;

9. Regulating or prohibiting the turning of vehicles or specified types of vehicles at intersections;

10. Altering the speed limits as authorized in Section 11-604;

11. Prohibiting U-turns;

12. Prohibiting pedestrian crossings at other than designated and marked crosswalks or at intersections;

13. Prohibiting parking during snow removal operation;

14. Imposing fines in accordance with Section 11-1301.3 as penalties for use of any parking place reserved for persons with disabilities, as defined by Section 1-159.1, or veterans with disabilities by any person using a motor vehicle not bearing registration plates specified in Section 11-1301.1 or a special decal or device as defined in Section 11-1301.2 as evidence that the vehicle is operated by or for a person with disabilities or a veteran with a disability;

15. Adopting such other traffic regulations as are specifically authorized by this Code; or

16. Enforcing the provisions of subsection (f) of Section 3-413 of this Code or a similar local ordinance.

(b) No ordinance or regulation enacted under paragraph 1, 4, 5, 6, 7, 9, 10, 11 or 13 of subsection (a) shall be effective until signs giving reasonable notice of such local traffic regulations are posted.

(c) The provisions of this Code shall not prevent any municipality having a population of 500,000 or more inhabitants from prohibiting any person from driving or operating any motor vehicle upon the roadways of such municipality with headlamps on high beam or bright.

(d) The provisions of this Code shall not be deemed to prevent local authorities within the reasonable exercise of their police power from prohibiting, on private property, the unauthorized use of parking spaces reserved for persons with disabilities.

(e) No unit of local government, including a home rule unit, may enact or enforce an ordinance that applies only to motorcycles if the principal purpose for that ordinance is to restrict the access of motorcycles to any highway or portion of a highway for which federal or State funds have been used for the planning, design, construction, or maintenance of that highway. No unit of local government, including a home rule unit, may enact an ordinance requiring motorcycle users to wear protective headgear. Nothing in this subsection (e) shall affect the authority of a unit of local government to regulate motorcycles for traffic control purposes or in accordance with Section 12-602 of this Code. No unit of local government, including a home rule unit, may regulate motorcycles in a manner inconsistent with this Code. This subsection (e) is a limitation under subsection (i) of Section 6 of Article VII of the Illinois Constitution on the concurrent exercise by home rule units of powers and functions exercised by the State.

(e-5) The City of Chicago may enact an ordinance providing for a noise monitoring system upon any portion of the roadway known as Lake Shore Drive. Twelve months after the installation of the noise monitoring system, and any time after the first report as the City deems necessary, the City of Chicago shall prepare a noise monitoring report with the data collected from the system and shall, upon request, make the report available to the public. For purposes of this subsection (e-5), "noise monitoring system" means an automated noise monitor capable of recording noise levels 24 hours per day and 365 days per year with computer equipment sufficient to process the data.

(e-10) A unit of local government, including a home rule unit, may not enact an ordinance prohibiting the use of Automated Driving System equipped vehicles on its roadways. Nothing in this subsection (e-10) shall affect the authority of a unit of local government to regulate Automated Driving System equipped vehicles for traffic control purposes. No unit of local government, including a home rule unit, may regulate Automated Driving System equipped vehicles in a manner inconsistent with this Code. For purposes of this subsection (e-10), "Automated Driving System equipped vehicle" means any vehicle equipped with an Automated Driving System of hardware and software that are collectively capable of performing the entire dynamic driving task on a sustained basis, regardless of whether it is limited to a specific operational domain. This subsection (e-10) is a limitation under subsection (i) of Section 6 of Article VII of the Illinois Constitution on the concurrent exercise by home rule units of powers and functions exercised by the State.

(f) A municipality or county designated in Section 11-208.6 may enact an ordinance providing for an automated traffic law enforcement system to enforce violations of this Code or a similar provision of a local ordinance and imposing liability on a registered owner or lessee of a vehicle used in such a violation.

(g) A municipality or county, as provided in Section 11-1201.1, may enact an ordinance providing for an automated traffic law enforcement system to enforce violations of Section 11-1201 of this Code or a similar provision of a local ordinance and imposing liability on a registered owner of a vehicle used in such a violation.

(h) A municipality designated in Section 11-208.8 may enact an ordinance providing for an automated speed enforcement system to enforce violations of Article VI of Chapter 11 of this Code or a similar provision of a local ordinance.

(i) A municipality or county designated in Section 11-208.9 may enact an ordinance providing for an automated traffic law enforcement system to enforce violations of Section 11-1414 of this Code or a similar provision of a local ordinance and imposing liability on a registered owner or lessee of a vehicle used in such a violation.

(Source: P.A. 100-209, eff. 1-1-18; 100-257, eff. 8-22-17; 100-352, eff. 6-1-18; 100-863, eff. 8-14-18; 101-123, eff. 7-26-19.)