Sen. Mike Porfirio

Filed: 4/28/2026

 

 


 

 


 
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1
AMENDMENT TO HOUSE BILL 5081

2    AMENDMENT NO. ______. Amend House Bill 5081 by replacing
3everything after the enacting clause with the following:
 
4    "Section 5. The Illinois Vehicle Code is amended by
5changing Sections 11-208.8, 11-601, 11-602, and 11-604 and by
6adding Section 1-214.2 as follows:
 
7    (625 ILCS 5/1-214.2 new)
8    Sec. 1-214.2. Target speed. The target speed is the
9highest desired operating speed given land-use contexts,
10multimodal activity, and vehicular mobility and shall be
11established by the entity with jurisdiction over that roadway.
 
12    (625 ILCS 5/11-208.8)
13    Sec. 11-208.8. Automated speed enforcement systems in
14safety zones.
15    (a) As used in this Section:

 

 

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1    "Automated speed enforcement system" means a photographic
2device, radar device, laser device, or other electrical or
3mechanical device or devices installed or utilized in a safety
4zone and designed to record the speed of a vehicle and obtain a
5clear photograph or other recorded image of the vehicle and
6the vehicle's registration plate or digital registration plate
7while the driver is violating Article VI of Chapter 11 of this
8Code or a similar provision of a local ordinance.
9    An automated speed enforcement system is a system, located
10in a safety zone which is under the jurisdiction of a
11municipality, that produces a recorded image of a motor
12vehicle's violation of a provision of this Code or a local
13ordinance and is designed to obtain a clear recorded image of
14the vehicle and the vehicle's license plate. The recorded
15image must also display the time, date, and location of the
16violation.
17    "Owner" means the person or entity to whom the vehicle is
18registered.
19    "Recorded image" means images recorded by an automated
20speed enforcement system on:
21        (1) 2 or more photographs;
22        (2) 2 or more microphotographs;
23        (3) 2 or more electronic images; or
24        (4) a video recording showing the motor vehicle and,
25    on at least one image or portion of the recording, clearly
26    identifying the registration plate or digital registration

 

 

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1    plate number of the motor vehicle.
2    "Safety zone" means an area that is within one-eighth of a
3mile from the nearest property line of any public or private
4elementary or secondary school, or from the nearest property
5line of any facility, area, or land owned by a school district
6that is used for educational purposes approved by the Illinois
7State Board of Education, not including school district
8headquarters or administrative buildings. A safety zone also
9includes an area that is within one-eighth of a mile from the
10nearest property line of any facility, area, or land owned by a
11park district used for recreational purposes. However, if any
12portion of a roadway is within either one-eighth mile radius,
13the safety zone also shall include the roadway extended to the
14furthest portion of the next furthest intersection. The term
15"safety zone" does not include any portion of the roadway
16known as Lake Shore Drive or any controlled access highway
17with 8 or more lanes of traffic or any roadway in which the 30
18mile per hour maximum speed limit is decreased by local
19ordinance without an engineering or traffic investigation in
20accordance with subsection (b) of Section 11-604 after the
21effective date of this amendatory Act of the 104th General
22Assembly.
23    (a-5) The automated speed enforcement system shall be
24operational and violations shall be recorded only at the
25following times:
26        (i) if the safety zone is based upon the property line

 

 

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1    of any facility, area, or land owned by a school district,
2    only on school days and no earlier than 6 a.m. and no later
3    than 8:30 p.m. if the school day is during the period of
4    Monday through Thursday, or 9 p.m. if the school day is a
5    Friday; and
6        (ii) if the safety zone is based upon the property
7    line of any facility, area, or land owned by a park
8    district, no earlier than one hour prior to the time that
9    the facility, area, or land is open to the public or other
10    patrons, and no later than one hour after the facility,
11    area, or land is closed to the public or other patrons.
12    (b) A municipality that produces a recorded image of a
13motor vehicle's violation of a provision of this Code or a
14local ordinance must make the recorded images of a violation
15accessible to the alleged violator by providing the alleged
16violator with a website address, accessible through the
17Internet.
18    (c) Notwithstanding any penalties for any other violations
19of this Code, the owner of a motor vehicle used in a traffic
20violation recorded by an automated speed enforcement system
21shall be subject to the following penalties:
22        (1) if the recorded speed is no less than 6 miles per
23    hour and no more than 10 miles per hour over the legal
24    speed limit, a civil penalty not exceeding $50, plus an
25    additional penalty of not more than $50 for failure to pay
26    the original penalty in a timely manner; or

 

 

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1        (2) if the recorded speed is more than 10 miles per
2    hour over the legal speed limit, a civil penalty not
3    exceeding $100, plus an additional penalty of not more
4    than $100 for failure to pay the original penalty in a
5    timely manner.
6    A penalty may not be imposed under this Section if the
7driver of the motor vehicle received a Uniform Traffic
8Citation from a police officer for a speeding violation
9occurring within one-eighth of a mile and 15 minutes of the
10violation that was recorded by the system. A violation for
11which a civil penalty is imposed under this Section is not a
12violation of a traffic regulation governing the movement of
13vehicles and may not be recorded on the driving record of the
14owner of the vehicle. A law enforcement officer is not
15required to be present or to witness the violation. No penalty
16may be imposed under this Section if the recorded speed of a
17vehicle is 5 miles per hour or less over the legal speed limit.
18The municipality may send, in the same manner that notices are
19sent under this Section, a speed violation warning notice
20where the violation involves a speed of 5 miles per hour or
21less above the legal speed limit.
22    (d) The net proceeds that a municipality receives from
23civil penalties imposed under an automated speed enforcement
24system, after deducting all non-personnel and personnel costs
25associated with the operation and maintenance of such system,
26shall be expended or obligated by the municipality for the

 

 

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1following purposes:
2        (i) public safety initiatives to ensure safe passage
3    around schools, and to provide police protection and
4    surveillance around schools and parks, including but not
5    limited to: (1) personnel costs; and (2) non-personnel
6    costs such as construction and maintenance of public
7    safety infrastructure and equipment;
8        (ii) initiatives to improve pedestrian and traffic
9    safety;
10        (iii) construction and maintenance of infrastructure
11    within the municipality, including but not limited to
12    roads and bridges; and
13        (iv) after school programs.
14    (e) For each violation of a provision of this Code or a
15local ordinance recorded by an automated speed enforcement
16system, the municipality having jurisdiction shall issue a
17written notice of the violation to the registered owner of the
18vehicle as the alleged violator. The notice shall be delivered
19to the registered owner of the vehicle, by mail, within 30 days
20after the Secretary of State notifies the municipality of the
21identity of the owner of the vehicle, but in no event later
22than 90 days after the violation.
23    (f) The notice required under subsection (e) of this
24Section shall include:
25        (1) the name and address of the registered owner of
26    the vehicle;

 

 

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1        (2) the registration number of the motor vehicle
2    involved in the violation;
3        (3) the violation charged;
4        (4) the date, time, and location where the violation
5    occurred;
6        (5) a copy of the recorded image or images;
7        (6) the amount of the civil penalty imposed and the
8    date by which the civil penalty should be paid;
9        (7) a statement that recorded images are evidence of a
10    violation of a speed restriction;
11        (8) a warning that failure to pay the civil penalty or
12    to contest liability in a timely manner is an admission of
13    liability;
14        (9) a statement that the person may elect to proceed
15    by:
16            (A) paying the fine; or
17            (B) challenging the charge in court, by mail, or
18        by administrative hearing; and
19        (10) a website address, accessible through the
20    Internet, where the person may view the recorded images of
21    the violation.
22    (g) (Blank).
23    (h) Based on inspection of recorded images produced by an
24automated speed enforcement system, a notice alleging that the
25violation occurred shall be evidence of the facts contained in
26the notice and admissible in any proceeding alleging a

 

 

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1violation under this Section.
2    (i) Recorded images made by an automated speed enforcement
3system are confidential and shall be made available only to
4the alleged violator and governmental and law enforcement
5agencies for purposes of adjudicating a violation of this
6Section, for statistical purposes, or for other governmental
7purposes. Any recorded image evidencing a violation of this
8Section, however, may be admissible in any proceeding
9resulting from the issuance of the citation.
10    (j) The court or hearing officer may consider in defense
11of a violation:
12        (1) that the motor vehicle or registration plates or
13    digital registration plates of the motor vehicle were
14    stolen before the violation occurred and not under the
15    control or in the possession of the owner or lessee at the
16    time of the violation;
17        (1.5) that the motor vehicle was hijacked before the
18    violation occurred and not under the control of or in the
19    possession of the owner or lessee at the time of the
20    violation;
21        (2) that the driver of the motor vehicle received a
22    Uniform Traffic Citation from a police officer for a
23    speeding violation occurring within one-eighth of a mile
24    and 15 minutes of the violation that was recorded by the
25    system; and
26        (3) any other evidence or issues provided by municipal

 

 

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1    ordinance.
2    (k) To demonstrate that the motor vehicle was hijacked or
3the motor vehicle or registration plates or digital
4registration plates were stolen before the violation occurred
5and were not under the control or possession of the owner or
6lessee at the time of the violation, the owner or lessee must
7submit proof that a report concerning the motor vehicle or
8registration plates was filed with a law enforcement agency in
9a timely manner.
10    (l) A roadway equipped with an automated speed enforcement
11system shall be posted with a sign conforming to the national
12Manual on Uniform Traffic Control Devices that is visible to
13approaching traffic stating that vehicle speeds are being
14photo-enforced and indicating the speed limit. The
15municipality shall install such additional signage as it
16determines is necessary to give reasonable notice to drivers
17as to where automated speed enforcement systems are installed.
18    (m) A roadway where a new automated speed enforcement
19system is installed shall be posted with signs providing 30
20days notice of the use of a new automated speed enforcement
21system prior to the issuance of any citations through the
22automated speed enforcement system.
23    (n) The compensation paid for an automated speed
24enforcement system must be based on the value of the equipment
25or the services provided and may not be based on the number of
26traffic citations issued or the revenue generated by the

 

 

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1system.
2    (n-1) No member of the General Assembly and no officer or
3employee of a municipality or county shall knowingly accept
4employment or receive compensation or fees for services from a
5vendor that provides automated speed enforcement system
6equipment or services to municipalities or counties. No former
7member of the General Assembly shall, within a period of 2
8years immediately after the termination of service as a member
9of the General Assembly, knowingly accept employment or
10receive compensation or fees for services from a vendor that
11provides automated speed enforcement system equipment or
12services to municipalities or counties. No former officer or
13employee of a municipality or county shall, within a period of
142 years immediately after the termination of municipal or
15county employment, knowingly accept employment or receive
16compensation or fees for services from a vendor that provides
17automated speed enforcement system equipment or services to
18municipalities or counties.
19    (o) (Blank).
20    (p) No person who is the lessor of a motor vehicle pursuant
21to a written lease agreement shall be liable for an automated
22speed or traffic law enforcement system violation involving
23such motor vehicle during the period of the lease; provided
24that upon the request of the appropriate authority received
25within 120 days after the violation occurred, the lessor
26provides within 60 days after such receipt the name and

 

 

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1address of the lessee. The drivers license number of a lessee
2may be subsequently individually requested by the appropriate
3authority if needed for enforcement of this Section.
4    Upon the provision of information by the lessor pursuant
5to this subsection, the municipality may issue the violation
6to the lessee of the vehicle in the same manner as it would
7issue a violation to a registered owner of a vehicle pursuant
8to this Section, and the lessee may be held liable for the
9violation.
10    (q) A municipality using an automated speed enforcement
11system must provide notice to drivers by publishing the
12locations of all safety zones where system equipment is
13installed on the website of the municipality.
14    (r) A municipality operating an automated speed
15enforcement system shall conduct a statistical analysis to
16assess the safety impact of the system following installation
17of the system and every 2 years thereafter. A municipality
18operating an automated speed enforcement system before the
19effective date of this amendatory Act of the 103rd General
20Assembly shall conduct a statistical analysis to assess the
21safety impact of the system by no later than one year after the
22effective date of this amendatory Act of the 103rd General
23Assembly and every 2 years thereafter. Each statistical
24analysis shall be based upon the best available crash,
25traffic, and other data, and shall cover a period of time
26before and after installation of the system sufficient to

 

 

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1provide a statistically valid comparison of safety impact.
2Each statistical analysis shall be consistent with
3professional judgment and acceptable industry practice. Each
4statistical analysis also shall be consistent with the data
5required for valid comparisons of before and after conditions
6and shall be conducted within a reasonable period following
7the installation of the automated traffic law enforcement
8system. Each statistical analysis required by this subsection
9shall be made available to the public and shall be published on
10the website of the municipality.
11    (s) This Section applies only to municipalities with a
12population of 1,000,000 or more inhabitants.
13    (t) If a county or municipality selects a new vendor for
14its automated speed enforcement system and must, as a
15consequence, apply for a permit, approval, or other
16authorization from the Department for reinstallation of one or
17more malfunctioning components of that system and if, at the
18time of the application for the permit, approval, or other
19authorization, the new vendor operates an automated speed
20enforcement system for any other county or municipality in the
21State, then the Department shall approve or deny the county or
22municipality's application for the permit, approval, or other
23authorization within 90 days after its receipt.
24    (u) The Department may revoke any permit, approval, or
25other authorization granted to a county or municipality for
26the placement, installation, or operation of an automated

 

 

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1speed enforcement system if any official or employee who
2serves that county or municipality is charged with bribery,
3official misconduct, or a similar crime related to the
4placement, installation, or operation of the automated speed
5enforcement system in the county or municipality.
6    The Department shall adopt any rules necessary to
7implement and administer this subsection. The rules adopted by
8the Department shall describe the revocation process, shall
9ensure that notice of the revocation is provided, and shall
10provide an opportunity to appeal the revocation. Any county or
11municipality that has a permit, approval, or other
12authorization revoked under this subsection may not reapply
13for such a permit, approval, or other authorization for a
14period of 1 year after the revocation.
15    (v) The University of Illinois Chicago Urban
16Transportation Center shall conduct a study that includes the
17following:
18        (1) a comprehensive review of the City of Chicago's
19    website multi-year crash data on North and South DuSable
20    Lake Shore Drive;
21        (2) the available research on potential effectiveness
22    of cameras powered by artificial intelligence in improving
23    compliance and reducing crashes and road fatalities on
24    North and South DuSable Lake Shore Drive;
25        (3) an analysis of driving behavior to detect risky
26    driving patterns and to address the DuSable Lake Shore

 

 

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1    Drive crash corridors;
2        (4) an assessment of the effectiveness of
3    psychological deterrence in reducing habitual speeding;
4    and
5        (5) an assessment of how fatalities can be reduced
6    using these cameras powered by artificial intelligence and
7    other technical options that may be available in place of
8    cameras powered by artificial intelligence.
9    The Department shall adopt any rules necessary to
10implement this subsection (v).
11(Source: P.A. 103-364, eff. 7-28-23; 104-381, eff. 1-1-26.)
 
12    (625 ILCS 5/11-601)  (from Ch. 95 1/2, par. 11-601)
13    Sec. 11-601. General speed restrictions.
14    (a) No vehicle may be driven upon any highway of this State
15at a speed which is greater than is reasonable and proper with
16regard to traffic conditions and the use of the highway, or
17endangers the safety of any person or property. The fact that
18the speed of a vehicle does not exceed the applicable maximum
19speed limit does not relieve the driver from the duty to
20decrease speed when approaching and crossing an intersection,
21approaching and going around a curve, when approaching a hill
22crest, when traveling upon any narrow or winding roadway, or
23when special hazard exists with respect to pedestrians,
24bicyclists, or other traffic or by reason of weather or
25highway conditions. Speed must be decreased as may be

 

 

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1necessary to avoid colliding with any person or vehicle on or
2entering the highway in compliance with legal requirements and
3the duty of all persons to use due care.
4    (a-5) For purposes of this Section, "urban district" does
5not include any interstate highway as defined by Section
61-133.1 of this Code which includes all highways under the
7jurisdiction of the Illinois State Toll Highway Authority.
8    (b) No person may drive a vehicle upon any highway of this
9State at a speed which is greater than the applicable
10statutory maximum speed limit established by paragraphs (c),
11(d), (e), (f) or (g) of this Section, by Section 11-605 or by a
12regulation or ordinance made under this Chapter.
13    (c) Unless some other speed restriction is established
14under this Chapter, the maximum speed limit in an urban
15district for all vehicles is:
16        1. 30 miles per hour; and
17        2. 15 miles per hour in an alley.
18    (d) Unless some other speed restriction is established
19under this Chapter, the maximum speed limit outside an urban
20district for any vehicle is (1) 65 miles per hour for all or
21part of highways that are designated by the Department, have
22at least 4 lanes of traffic, and have a separation between the
23roadways moving in opposite directions and (2) 55 miles per
24hour for all other highways, roads, and streets.
25    (d-1) Unless some other speed restriction is established
26under this Chapter, the maximum speed limit outside an urban

 

 

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1district for any vehicle is (1) 70 miles per hour on any
2interstate highway as defined by Section 1-133.1 of this Code
3which includes all highways under the jurisdiction of the
4Illinois State Toll Highway Authority; (2) 65 miles per hour
5for all or part of highways that are designated by the
6Department, have at least 4 lanes of traffic, and have a
7separation between the roadways moving in opposite directions;
8and (3) 55 miles per hour for all other highways, roads, and
9streets. The counties of Cook, DuPage, Kane, Lake, Madison,
10McHenry, St. Clair, and Will may adopt ordinances setting a
11maximum speed limit on highways, roads, and streets that is
12lower than the limits established by this Section.
13    (e) In the counties of Cook, DuPage, Kane, Lake, McHenry,
14and Will, unless some lesser speed restriction is established
15under this Chapter, the maximum speed limit outside an urban
16district for a second division vehicle designed or used for
17the carrying of a gross weight of 8,001 pounds or more
18(including the weight of the vehicle and maximum load) is 60
19miles per hour on any interstate highway as defined by Section
201-133.1 of this Code and 55 miles per hour on all other
21highways, roads, and streets.
22    (e-1) (Blank).
23    (f) Unless some other speed restriction is established
24under this Chapter, the maximum speed limit outside an urban
25district for a bus is:
26        1. 65 miles per hour upon any highway which has at

 

 

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1    least 4 lanes of traffic and of which the roadways for
2    traffic moving in opposite directions are separated by a
3    strip of ground which is not surfaced or suitable for
4    vehicular traffic, except that the maximum speed limit for
5    a bus on all highways, roads, or streets not under the
6    jurisdiction of the Department or the Illinois State Toll
7    Highway Authority is 55 miles per hour;
8        1.5. 70 miles per hour upon any interstate highway as
9    defined by Section 1-133.1 of this Code outside the
10    counties of Cook, DuPage, Kane, Lake, McHenry, and Will;
11    and
12        2. 55 miles per hour on any other highway.
13    (g) (Blank).
14(Source: P.A. 98-511, eff. 1-1-14; 98-1126, eff. 1-1-15;
1598-1128, eff. 1-1-15; 99-78, eff. 7-20-15.)
 
16    (625 ILCS 5/11-602)  (from Ch. 95 1/2, par. 11-602)
17    Sec. 11-602. Alteration of limits by Department.
18    (a) Whenever the Department determines, upon the basis of
19an engineering and traffic investigation concerning any
20highway for which the Department has maintenance
21responsibility, that a maximum speed limit prescribed in
22Section 11-601 of this Chapter is greater or less than is
23reasonable or safe with respect to the conditions found to
24exist at any intersection or other place on such highway or
25along any part or zone thereof, the Department shall determine

 

 

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1and declare a reasonable and safe absolute maximum speed limit
2applicable to such intersection or place, or along such part
3or zone. However, such limit shall conform with the maximum
4speed limit restrictions provided for in Section 11-601 of
5this Code.
6    (b) Where any highway under the Department's jurisdiction
7lies within the jurisdictional boundary of a local authority,
8the Department may, at the local authority's request or by its
9own initiative, set a reduced maximum speed limit upon the
10basis of an engineering and traffic investigation. If the
11highway falls within an urban district and if the local
12authority's request or Department initiative is to decrease
13the maximum speed limit to 25 miles per hour, the reduction may
14occur without performing an engineering and traffic
15investigation if the reduction aligns with the determined
16target speed, as defined in Section 1-214.2, for that portion
17of the highway.
18    (c) Where a highway under the Department's jurisdiction is
19contiguous to school property, the Department may, at the
20school district's request, set a reduced maximum speed limit
21for student safety purposes in the portion of the highway that
22faces the school property and in the portions of the highway
23that extend one-quarter mile in each direction from the
24opposite ends of the school property.
25    (d) A limit determined and declared as provided in this
26Section becomes effective, and suspends the applicability of

 

 

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1the limit prescribed in Section 11-601 of this Chapter, when
2appropriate signs giving notice of the limit are erected at
3such intersection or other place, or along such part or zone of
4the highway. Electronic speed-detecting devices shall not be
5used within 500 feet beyond any such sign in the direction of
6travel; if so used in violation hereof, evidence obtained
7thereby shall be inadmissible in any prosecution for speeding.
8However, nothing in this Section prohibits the use of such
9electronic speed-detecting devices within 500 feet of a sign
10within a special school speed zone indicating such zone,
11conforming to the requirements of Section 11-605 of this Act,
12nor shall evidence obtained thereby be inadmissible in any
13prosecution for speeding provided the use of such device shall
14apply only to the enforcement of the speed limit in such
15special school speed zone.
16(Source: P.A. 98-511, eff. 1-1-14.)
 
17    (625 ILCS 5/11-604)  (from Ch. 95 1/2, par. 11-604)
18    Sec. 11-604. Alteration of limits by local authorities.
19    (a) Subject to the limitations set forth in this Section,
20the county board of a county may establish absolute maximum
21speed limits on all county highways, township roads and
22district roads as defined in the Illinois Highway Code, except
23those under the jurisdiction of the Department or of the
24Illinois State Toll Highway Authority, as described in
25Sections 11-602 and 11-603 of this Chapter; and any park

 

 

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1district, city, village, or incorporated town may establish
2absolute maximum speed limits on all streets which are within
3its corporate limits and which are not under the jurisdiction
4of the Department or of such Authority, and for which the
5county or a highway commissioner of such county does not have
6maintenance responsibility.
7    (b) Whenever any such park district, city, village, or
8incorporated town determines, upon the basis of an engineering
9or traffic investigation concerning a highway or street on
10which it is authorized by this Section to establish speed
11limits, that a maximum speed limit prescribed in Section
1211-601 of this Chapter is greater or less than is reasonable or
13safe with respect to the conditions found to exist at any place
14or along any part or zone of such highway or street, the local
15authority or park district shall determine and declare by
16ordinance a reasonable and safe absolute maximum speed limit
17at such place or along such part or zone, which:
18        (1) Decreases the limit within an urban district,
19    which shall not require an engineering or traffic
20    investigation to a maximum speed limit of 25 miles per
21    hour, but not to less than 20 miles per hour and a maximum
22    speed limit of 10 miles per hour in an alley; or
23        (2) Increases the limit within an urban district, but
24    not to more than 55 miles per hour; or
25        (3) Decreases the limit outside of an urban district,
26    but not to less than 35 miles per hour, except as otherwise

 

 

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1    provided in subparagraph 4 of this paragraph; or
2        (4) Decreases the limit within a residence district,
3    which shall not require an engineering or traffic
4    investigation to a maximum speed limit of 20 , but not to
5    less than 25 miles per hour, except as otherwise provided
6    in paragraph (1) subparagraph 1 of this paragraph.
7    The park district, city, village, or incorporated town may
8make such limit applicable at all times or only during certain
9specified times. Not more than 6 such alterations shall be
10made per mile along a highway or street; and the difference in
11limit between adjacent altered speed zones shall not be more
12than 10 miles per hour.
13    A limit so determined and declared by a park district,
14city, village, or incorporated town shall be posted with signs
15designating the new speed limit and becomes effective, and
16suspends the application of the limit prescribed in Section
1711-601 of this Chapter, when appropriate signs giving notice
18of the limit are erected at the proper place or along the
19proper part or zone of the highway or street. Electronic
20speed-detecting devices shall not be used within 500 feet
21beyond any such sign in the direction of travel; if so used in
22violation of this Section evidence obtained thereby shall be
23inadmissible in any prosecution for speeding. However, nothing
24in this Section prohibits the use of such electronic
25speed-detecting devices within 500 feet of a sign within a
26special school speed zone indicating such zone, conforming to

 

 

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1the requirements of Section 11-605 of this Act, nor shall
2evidence obtained thereby be inadmissible in any prosecution
3for speeding provided the use of such device shall apply only
4to the enforcement of the speed limit in such special school
5speed zone.
6    (b-1) A county, municipality, or township may request that
7the Department perform an engineering and traffic
8investigation concerning any portion of highway under the
9Department's jurisdiction, which lies within the geographic
10boundary of the requesting local authority, to determine a
11reasonable or safe absolute maximum speed limit for that
12portion of highway. The Department shall perform the
13engineering and traffic investigation and report the results
14to the requesting local authority unless otherwise specified
15in Section 11-602.
16    (c) A county engineer or superintendent of highways may
17submit to the Department for approval, a county policy for
18establishing altered speed zones on township and county
19highways based upon engineering and traffic investigations.
20    (d) Whenever the county board of a county determines that
21a maximum speed limit is greater or less than is reasonable or
22safe with respect to the conditions found to exist at any place
23or along any part or zone of the highway or road, the county
24board shall determine and declare by ordinance a reasonable
25and safe absolute maximum speed limit at that place or along
26that part or zone. However, the maximum speed limit shall not

 

 

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1exceed 55 miles per hour. Upon receipt of an engineering study
2for the part or zone of highway in question from the county
3engineer, and notwithstanding any other provision of law, the
4county board of a county may determine and declare by
5ordinance a reduction in the maximum speed limit at any place
6or along any part or zone of a county highway whenever the
7county board, in its sole discretion, determines that the
8reduction in the maximum speed limit is reasonable and safe.
9The county board shall may post signs designating the new
10speed limit. The limit becomes effective, and suspends the
11application of the limit prescribed in Section 11-601 of this
12Chapter, when appropriate signs giving notice of the limit are
13erected at the proper place or along the proper part of the
14zone of the highway. Electronic speed-detecting devices shall
15not be used within 500 feet beyond any such sign in the
16direction of travel; if so used in violation of this Section,
17evidence obtained thereby shall be inadmissible in any
18prosecution for speeding. However, nothing in this Section
19prohibits the use of such electronic speed-detecting devices
20within 500 feet of a sign within a special school speed zone
21indicating such zone, conforming to the requirements of
22Section 11-605 of this Act, nor shall evidence obtained
23thereby be inadmissible in any prosecution for speeding
24provided the use of such device shall apply only to the
25enforcement of the speed limit in such special school speed
26zone.

 

 

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1(Source: P.A. 95-574, eff. 6-1-08; 95-788, eff. 8-7-08.)
 
2    Section 99. Effective date. This Act takes effect upon
3becoming law, except the changes made to subsection (b) of
4Section 11-602 of the Illinois Vehicle Code take effect
5January 1, 2027.".