VEH CD-ALTER SPEED LIMITS

Illinois General Assembly - Full Text of HB5081

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Full Text of HB5081

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HB5081 - 104th General Assembly

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Senate Amendment 001

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Senate Amendment 001

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HB5081 Enrolled
LRB104 19977 LNS 33428 b
1

AN ACT concerning transportation.

2

Be it enacted by the People of the State of Illinois,
3
represented in the General Assembly:

4

Section 5.
The Illinois Vehicle Code is amended by
5
changing Sections 11-208.8, 11-601, 11-602, and 11-604 and by
6
adding 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
9
highest desired operating speed given land-use contexts,
10
multimodal activity, and vehicular mobility and shall be
11
established 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
14
safety zones.
15

(a) As used in this Section:
16

"Automated speed enforcement system" means a photographic
17
device, radar device, laser device, or other electrical or
18
mechanical device or devices installed or utilized in a safety
19
zone and designed to record the speed of a vehicle and obtain a
20
clear photograph or other recorded image of the vehicle and
21
the vehicle's registration plate or digital registration plate
22
while the driver is violating Article VI of Chapter 11 of this

HB5081 Enrolled
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LRB104 19977 LNS 33428 b
1
Code or a similar provision of a local ordinance.
2

An automated speed enforcement system is a system, located
3
in a safety zone which is under the jurisdiction of a
4
municipality, that produces a recorded image of a motor
5
vehicle's violation of a provision of this Code or a local
6
ordinance and is designed to obtain a clear recorded image of
7
the vehicle and the vehicle's license plate. The recorded
8
image must also display the time, date, and location of the
9
violation.
10

"Owner" means the person or entity to whom the vehicle is
11
registered.
12

"Recorded image" means images recorded by an automated
13
speed enforcement system on:
14

(1) 2 or more photographs;
15

(2) 2 or more microphotographs;
16

(3) 2 or more electronic images; or
17

(4) a video recording showing the motor vehicle and,
18

on at least one image or portion of the recording, clearly
19

identifying the registration plate or digital registration
20

plate number of the motor vehicle.
21

"Safety zone" means an area that is within one-eighth of a
22
mile from the nearest property line of any public or private
23
elementary or secondary school, or from the nearest property
24
line of any facility, area, or land owned by a school district
25
that is used for educational purposes approved by the Illinois
26
State Board of Education, not including school district

HB5081 Enrolled
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LRB104 19977 LNS 33428 b
1
headquarters or administrative buildings. A safety zone also
2
includes an area that is within one-eighth of a mile from the
3
nearest property line of any facility, area, or land owned by a
4
park district used for recreational purposes. However, if any
5
portion of a roadway is within either one-eighth mile radius,
6
the safety zone also shall include the roadway extended to the
7
furthest portion of the next furthest intersection. The term
8
"safety zone" does not include any portion of the roadway
9
known as Lake Shore Drive or any controlled access highway
10
with 8 or more lanes of traffic
or any roadway in which the 30
11
mile per hour maximum speed limit is decreased by local
12
ordinance without an engineering or traffic investigation in
13
accordance with subsection (b) of Section 11-604 after the
14
effective date of this amendatory Act of the 104th General
15
Assembly
.
16

(a-5) The automated speed enforcement system shall be
17
operational and violations shall be recorded only at the
18
following times:
19

(i) if the safety zone is based upon the property line
20

of any facility, area, or land owned by a school district,
21

only on school days and no earlier than 6 a.m. and no later
22

than 8:30 p.m. if the school day is during the period of
23

Monday through Thursday, or 9 p.m. if the school day is a
24

Friday; and
25

(ii) if the safety zone is based upon the property
26

line of any facility, area, or land owned by a park

HB5081 Enrolled
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LRB104 19977 LNS 33428 b
1

district, no earlier than one hour prior to the time that
2

the facility, area, or land is open to the public or other
3

patrons, and no later than one hour after the facility,
4

area, or land is closed to the public or other patrons.
5

(b) A municipality that produces a recorded image of a
6
motor vehicle's violation of a provision of this Code or a
7
local ordinance must make the recorded images of a violation
8
accessible to the alleged violator by providing the alleged
9
violator with a website address, accessible through the
10
Internet.
11

(c) Notwithstanding any penalties for any other violations
12
of this Code, the owner of a motor vehicle used in a traffic
13
violation recorded by an automated speed enforcement system
14
shall be subject to the following penalties:
15

(1) if the recorded speed is no less than 6 miles per
16

hour and no more than 10 miles per hour over the legal
17

speed limit, a civil penalty not exceeding $50, plus an
18

additional penalty of not more than $50 for failure to pay
19

the original penalty in a timely manner; or
20

(2) if the recorded speed is more than 10 miles per
21

hour over the legal speed limit, a civil penalty not
22

exceeding $100, plus an additional penalty of not more
23

than $100 for failure to pay the original penalty in a
24

timely manner.
25

A penalty may not be imposed under this Section if the
26
driver of the motor vehicle received a Uniform Traffic

HB5081 Enrolled
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LRB104 19977 LNS 33428 b
1
Citation from a police officer for a speeding violation
2
occurring within one-eighth of a mile and 15 minutes of the
3
violation that was recorded by the system. A violation for
4
which a civil penalty is imposed under this Section is not a
5
violation of a traffic regulation governing the movement of
6
vehicles and may not be recorded on the driving record of the
7
owner of the vehicle. A law enforcement officer is not
8
required to be present or to witness the violation. No penalty
9
may be imposed under this Section if the recorded speed of a
10
vehicle is 5 miles per hour or less over the legal speed limit.
11
The municipality may send, in the same manner that notices are
12
sent under this Section, a speed violation warning notice
13
where the violation involves a speed of 5 miles per hour or
14
less above the legal speed limit.
15

(d) The net proceeds that a municipality receives from
16
civil penalties imposed under an automated speed enforcement
17
system, after deducting all non-personnel and personnel costs
18
associated with the operation and maintenance of such system,
19
shall be expended or obligated by the municipality for the
20
following purposes:
21

(i) public safety initiatives to ensure safe passage
22

around schools, and to provide police protection and
23

surveillance around schools and parks, including but not
24

limited to: (1) personnel costs; and (2) non-personnel
25

costs such as construction and maintenance of public
26

safety infrastructure and equipment;

HB5081 Enrolled
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(ii) initiatives to improve pedestrian and traffic
2

safety;
3

(iii) construction and maintenance of infrastructure
4

within the municipality, including but not limited to
5

roads and bridges; and
6

(iv) after school programs.
7

(e) For each violation of a provision of this Code or a
8
local ordinance recorded by an automated speed enforcement
9
system, the municipality having jurisdiction shall issue a
10
written notice of the violation to the registered owner of the
11
vehicle as the alleged violator. The notice shall be delivered
12
to the registered owner of the vehicle, by mail, within 30 days
13
after the Secretary of State notifies the municipality of the
14
identity of the owner of the vehicle, but in no event later
15
than 90 days after the violation.
16

(f) The notice required under subsection (e) of this
17
Section shall include:
18

(1) the name and address of the registered owner of
19

the vehicle;
20

(2) the registration number of the motor vehicle
21

involved in the violation;
22

(3) the violation charged;
23

(4) the date, time, and location where the violation
24

occurred;
25

(5) a copy of the recorded image or images;
26

(6) the amount of the civil penalty imposed and the

HB5081 Enrolled
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LRB104 19977 LNS 33428 b
1

date by which the civil penalty should be paid;
2

(7) a statement that recorded images are evidence of a
3

violation of a speed restriction;
4

(8) a warning that failure to pay the civil penalty or
5

to contest liability in a timely manner is an admission of
6

liability;
7

(9) a statement that the person may elect to proceed
8

by:
9

(A) paying the fine; or
10

(B) challenging the charge in court, by mail, or
11

by administrative hearing; and
12

(10) a website address, accessible through the
13

Internet, where the person may view the recorded images of
14

the violation.
15

(g) (Blank).
16

(h) Based on inspection of recorded images produced by an
17
automated speed enforcement system, a notice alleging that the
18
violation occurred shall be evidence of the facts contained in
19
the notice and admissible in any proceeding alleging a
20
violation under this Section.
21

(i) Recorded images made by an automated speed enforcement
22
system are confidential and shall be made available only to
23
the alleged violator and governmental and law enforcement
24
agencies for purposes of adjudicating a violation of this
25
Section, for statistical purposes, or for other governmental
26
purposes. Any recorded image evidencing a violation of this

HB5081 Enrolled
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LRB104 19977 LNS 33428 b
1
Section, however, may be admissible in any proceeding
2
resulting from the issuance of the citation.
3

(j) The court or hearing officer may consider in defense
4
of a violation:
5

(1) that the motor vehicle or registration plates or
6

digital registration plates of the motor vehicle were
7

stolen before the violation occurred and not under the
8

control or in the possession of the owner or lessee at the
9

time of the violation;
10

(1.5) that the motor vehicle was hijacked before the
11

violation occurred and not under the control of or in the
12

possession of the owner or lessee at the time of the
13

violation;
14

(2) that the driver of the motor vehicle received a
15

Uniform Traffic Citation from a police officer for a
16

speeding violation occurring within one-eighth of a mile
17

and 15 minutes of the violation that was recorded by the
18

system; and
19

(3) any other evidence or issues provided by municipal
20

ordinance.
21

(k) To demonstrate that the motor vehicle was hijacked or
22
the motor vehicle or registration plates or digital
23
registration plates were stolen before the violation occurred
24
and were not under the control or possession of the owner or
25
lessee at the time of the violation, the owner or lessee must
26
submit proof that a report concerning the motor vehicle or

HB5081 Enrolled
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LRB104 19977 LNS 33428 b
1
registration plates was filed with a law enforcement agency in
2
a timely manner.
3

(l) A roadway equipped with an automated speed enforcement
4
system shall be posted with a sign conforming to the national
5
Manual on Uniform Traffic Control Devices that is visible to
6
approaching traffic stating that vehicle speeds are being
7
photo-enforced and indicating the speed limit. The
8
municipality shall install such additional signage as it
9
determines is necessary to give reasonable notice to drivers
10
as to where automated speed enforcement systems are installed.
11

(m) A roadway where a new automated speed enforcement
12
system is installed shall be posted with signs providing 30
13
days notice of the use of a new automated speed enforcement
14
system prior to the issuance of any citations through the
15
automated speed enforcement system.
16

(n) The compensation paid for an automated speed
17
enforcement system must be based on the value of the equipment
18
or the services provided and may not be based on the number of
19
traffic citations issued or the revenue generated by the
20
system.
21

(n-1) No member of the General Assembly and no officer or
22
employee of a municipality or county shall knowingly accept
23
employment or receive compensation or fees for services from a
24
vendor that provides automated speed enforcement system
25
equipment or services to municipalities or counties. No former
26
member of the General Assembly shall, within a period of 2

HB5081 Enrolled
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LRB104 19977 LNS 33428 b
1
years immediately after the termination of service as a member
2
of the General Assembly, knowingly accept employment or
3
receive compensation or fees for services from a vendor that
4
provides automated speed enforcement system equipment or
5
services to municipalities or counties. No former officer or
6
employee of a municipality or county shall, within a period of
7
2 years immediately after the termination of municipal or
8
county employment, knowingly accept employment or receive
9
compensation or fees for services from a vendor that provides
10
automated speed enforcement system equipment or services to
11
municipalities or counties.
12

(o) (Blank).
13

(p) No person who is the lessor of a motor vehicle pursuant
14
to a written lease agreement shall be liable for an automated
15
speed or traffic law enforcement system violation involving
16
such motor vehicle during the period of the lease; provided
17
that upon the request of the appropriate authority received
18
within 120 days after the violation occurred, the lessor
19
provides within 60 days after such receipt the name and
20
address of the lessee. The drivers license number of a lessee
21
may be subsequently individually requested by the appropriate
22
authority if needed for enforcement of this Section.
23

Upon the provision of information by the lessor pursuant
24
to this subsection, the municipality may issue the violation
25
to the lessee of the vehicle in the same manner as it would
26
issue a violation to a registered owner of a vehicle pursuant

HB5081 Enrolled
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LRB104 19977 LNS 33428 b
1
to this Section, and the lessee may be held liable for the
2
violation.
3

(q) A municipality using an automated speed enforcement
4
system must provide notice to drivers by publishing the
5
locations of all safety zones where system equipment is
6
installed on the website of the municipality.
7

(r) A municipality operating an automated speed
8
enforcement system shall conduct a statistical analysis to
9
assess the safety impact of the system following installation
10
of the system and every 2 years thereafter. A municipality
11
operating an automated speed enforcement system before the
12
effective date of this amendatory Act of the 103rd General
13
Assembly shall conduct a statistical analysis to assess the
14
safety impact of the system by no later than one year after the
15
effective date of this amendatory Act of the 103rd General
16
Assembly and every 2 years thereafter. Each statistical
17
analysis shall be based upon the best available crash,
18
traffic, and other data, and shall cover a period of time
19
before and after installation of the system sufficient to
20
provide a statistically valid comparison of safety impact.
21
Each statistical analysis shall be consistent with
22
professional judgment and acceptable industry practice. Each
23
statistical analysis also shall be consistent with the data
24
required for valid comparisons of before and after conditions
25
and shall be conducted within a reasonable period following
26
the installation of the automated traffic law enforcement

HB5081 Enrolled
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LRB104 19977 LNS 33428 b
1
system. Each statistical analysis required by this subsection
2
shall be made available to the public and shall be published on
3
the website of the municipality.
4

(s) This Section applies only to municipalities with a
5
population of 1,000,000 or more inhabitants.
6

(t) If a county or municipality selects a new vendor for
7
its automated speed enforcement system and must, as a
8
consequence, apply for a permit, approval, or other
9
authorization from the Department for reinstallation of one or
10
more malfunctioning components of that system and if, at the
11
time of the application for the permit, approval, or other
12
authorization, the new vendor operates an automated speed
13
enforcement system for any other county or municipality in the
14
State, then the Department shall approve or deny the county or
15
municipality's application for the permit, approval, or other
16
authorization within 90 days after its receipt.
17

(u) The Department may revoke any permit, approval, or
18
other authorization granted to a county or municipality for
19
the placement, installation, or operation of an automated
20
speed enforcement system if any official or employee who
21
serves that county or municipality is charged with bribery,
22
official misconduct, or a similar crime related to the
23
placement, installation, or operation of the automated speed
24
enforcement system in the county or municipality.
25

The Department shall adopt any rules necessary to
26
implement and administer this subsection. The rules adopted by

HB5081 Enrolled
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LRB104 19977 LNS 33428 b
1
the Department shall describe the revocation process, shall
2
ensure that notice of the revocation is provided, and shall
3
provide an opportunity to appeal the revocation. Any county or
4
municipality that has a permit, approval, or other
5
authorization revoked under this subsection may not reapply
6
for such a permit, approval, or other authorization for a
7
period of 1 year after the revocation.
8

(v) The University of Illinois Chicago Urban
9
Transportation Center shall conduct a study that includes the
10
following:
11

(1) a comprehensive review of the City of Chicago's
12

website multi-year crash data on North and South DuSable
13

Lake Shore Drive;
14

(2) the available research on potential effectiveness
15

of cameras powered by artificial intelligence in improving
16

compliance and reducing crashes and road fatalities on
17

North and South DuSable Lake Shore Drive;
18

(3) an analysis of driving behavior to detect risky
19

driving patterns and to address the DuSable Lake Shore
20

Drive crash corridors;
21

(4) an assessment of the effectiveness of
22

psychological deterrence in reducing habitual speeding;
23

and
24

(5) an assessment of how fatalities can be reduced
25

using these cameras powered by artificial intelligence and
26

other technical options that may be available in place of

HB5081 Enrolled
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LRB104 19977 LNS 33428 b
1

cameras powered by artificial intelligence.
2

The Department shall adopt any rules necessary to
3
implement this subsection (v).
4
(Source: P.A. 103-364, eff. 7-28-23; 104-381, eff. 1-1-26
.)

5

(625 ILCS 5/11-601)

(from Ch. 95 1/2, par. 11-601)
6

Sec. 11-601.
General speed restrictions.
7

(a) No vehicle may be driven upon any highway of this State
8
at a speed which is greater than is reasonable and proper with
9
regard to traffic conditions and the use of the highway, or
10
endangers the safety of any person or property. The fact that
11
the speed of a vehicle does not exceed the applicable maximum
12
speed limit does not relieve the driver from the duty to
13
decrease speed when approaching and crossing an intersection,
14
approaching and going around a curve, when approaching a hill
15
crest, when traveling upon any narrow or winding roadway, or
16
when special hazard exists with respect to pedestrians
,
17
bicyclists,
or other traffic or by reason of weather or
18
highway conditions. Speed must be decreased as may be
19
necessary to avoid colliding with any person or vehicle on or
20
entering the highway in compliance with legal requirements and
21
the duty of all persons to use due care.
22

(a-5) For purposes of this Section, "urban district" does
23
not include any interstate highway as defined by Section
24
1-133.1 of this Code which includes all highways under the
25
jurisdiction of the Illinois State Toll Highway Authority.

HB5081 Enrolled
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LRB104 19977 LNS 33428 b
1

(b) No person may drive a vehicle upon any highway of this
2
State at a speed which is greater than the applicable
3
statutory maximum speed limit established by paragraphs (c),
4
(d), (e), (f) or (g) of this Section, by Section 11-605 or by a
5
regulation or ordinance made under this Chapter.
6

(c) Unless some other speed restriction is established
7
under this Chapter, the maximum speed limit in an urban
8
district for all vehicles is:
9

1. 30 miles per hour; and
10

2. 15 miles per hour in an alley.
11

(d) Unless some other speed restriction is established
12
under this Chapter, the maximum speed limit outside an urban
13
district for any vehicle is (1) 65 miles per hour for all or
14
part of highways that are designated by the Department, have
15
at least 4 lanes of traffic, and have a separation between the
16
roadways moving in opposite directions and (2) 55 miles per
17
hour for all other highways, roads, and streets.
18

(d-1) Unless some other speed restriction is established
19
under this Chapter, the maximum speed limit outside an urban
20
district for any vehicle is (1) 70 miles per hour on any
21
interstate highway as defined by Section 1-133.1 of this Code
22
which includes all highways under the jurisdiction of the
23
Illinois State Toll Highway Authority; (2) 65 miles per hour
24
for all or part of highways that are designated by the
25
Department, have at least 4 lanes of traffic, and have a
26
separation between the roadways moving in opposite directions;

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LRB104 19977 LNS 33428 b
1
and (3) 55 miles per hour for all other highways, roads, and
2
streets. The counties of Cook, DuPage, Kane, Lake, Madison,
3
McHenry, St. Clair, and Will may adopt ordinances setting a
4
maximum speed limit on highways, roads, and streets that is
5
lower than the limits established by this Section.
6

(e) In the counties of Cook, DuPage, Kane, Lake, McHenry,
7
and Will, unless some lesser speed restriction is established
8
under this Chapter, the maximum speed limit outside an urban
9
district for a second division vehicle designed or used for
10
the carrying of a gross weight of 8,001 pounds or more
11
(including the weight of the vehicle and maximum load) is 60
12
miles per hour on any interstate highway as defined by Section
13
1-133.1 of this Code and 55 miles per hour on all other
14
highways, roads, and streets.
15

(e-1) (Blank).
16

(f) Unless some other speed restriction is established
17
under this Chapter, the maximum speed limit outside an urban
18
district for a bus is:
19

1. 65 miles per hour upon any highway which has at
20

least 4 lanes of traffic and of which the roadways for
21

traffic moving in opposite directions are separated by a
22

strip of ground which is not surfaced or suitable for
23

vehicular traffic, except that the maximum speed limit for
24

a bus on all highways, roads, or streets not under the
25

jurisdiction of the Department or the Illinois State Toll
26

Highway Authority is 55 miles per hour;

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LRB104 19977 LNS 33428 b
1

1.5. 70 miles per hour upon any interstate highway as
2

defined by Section 1-133.1 of this Code outside the
3

counties of Cook, DuPage, Kane, Lake, McHenry, and Will;
4

and
5

2. 55 miles per hour on any other highway.
6

(g) (Blank).
7
(Source: P.A. 98-511, eff. 1-1-14; 98-1126, eff. 1-1-15;
8
98-1128, eff. 1-1-15; 99-78, eff. 7-20-15.)

9

(625 ILCS 5/11-602)

(from Ch. 95 1/2, par. 11-602)
10

Sec. 11-602.
Alteration of limits by Department.

11

(a)
Whenever the Department determines, upon the basis of
12
an engineering and traffic investigation concerning any
13
highway for which the Department has maintenance
14
responsibility, that a maximum speed limit prescribed in
15
Section 11-601 of this Chapter is greater or less than is
16
reasonable or safe with respect to the conditions found to
17
exist at any intersection or other place on such highway or
18
along any part or zone thereof, the Department shall determine
19
and declare a reasonable and safe absolute maximum speed limit
20
applicable to such intersection or place, or along such part
21
or zone. However, such limit shall conform with the maximum
22
speed limit restrictions provided for in Section 11-601 of
23
this Code.
24

(b) Where any highway under the Department's jurisdiction
25
lies within the jurisdictional boundary of a local authority,

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1
the Department may, at the local authority's request or by its
2
own initiative, set a reduced maximum speed limit upon the
3
basis of an engineering and traffic investigation. If the
4
highway falls within an urban district and if the local
5
authority's request or Department initiative is to decrease
6
the maximum speed limit to 25 miles per hour, the reduction may
7
occur without performing an engineering and traffic
8
investigation if the reduction aligns with the determined
9
target speed, as defined in Section 1-214.2, for that portion
10
of the highway.

11

(c)
Where a highway under the Department's jurisdiction is
12
contiguous to school property, the Department may, at the
13
school district's request, set a reduced maximum speed limit
14
for student safety purposes in the portion of the highway that
15
faces the school property and in the portions of the highway
16
that extend one-quarter mile in each direction from the
17
opposite ends of the school property.
18

(d)
A limit determined and declared as provided in this
19
Section becomes effective, and suspends the applicability of
20
the limit prescribed in Section 11-601 of this Chapter, when
21
appropriate signs giving notice of the limit are erected at
22
such intersection or other place, or along such part or zone of
23
the highway. Electronic speed-detecting devices shall not be
24
used within 500 feet beyond any such sign in the direction of
25
travel; if so used in violation hereof, evidence obtained
26
thereby shall be inadmissible in any prosecution for speeding.

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1
However, nothing in this Section prohibits the use of such
2
electronic speed-detecting devices within 500 feet of a sign
3
within a special school speed zone indicating such zone,
4
conforming to the requirements of Section 11-605 of this Act,
5
nor shall evidence obtained thereby be inadmissible in any
6
prosecution for speeding provided the use of such device shall
7
apply only to the enforcement of the speed limit in such
8
special school speed zone.
9
(Source: P.A. 98-511, eff. 1-1-14.)

10

(625 ILCS 5/11-604)

(from Ch. 95 1/2, par. 11-604)
11

Sec. 11-604.
Alteration of limits by local authorities.
12

(a) Subject to the limitations set forth in this Section,
13
the county board of a county may establish absolute maximum
14
speed limits on all county highways, township roads and
15
district roads as defined in the Illinois Highway Code, except
16
those under the jurisdiction of the Department or of the
17
Illinois State Toll Highway Authority, as described in
18
Sections 11-602 and 11-603 of this Chapter; and any park
19
district, city, village, or incorporated town may establish
20
absolute maximum speed limits on all streets which are within
21
its corporate limits and which are not under the jurisdiction
22
of the Department or of such Authority, and for which the
23
county or a highway commissioner of such county does not have
24
maintenance responsibility.
25

(b) Whenever any such park district, city, village, or

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1
incorporated town determines, upon the basis of an engineering
2
or traffic investigation concerning a highway or street on
3
which it is authorized by this Section to establish speed
4
limits, that a maximum speed limit prescribed in Section
5
11-601 of this Chapter is greater or less than is reasonable or
6
safe with respect to the conditions found to exist at any place
7
or along any part or zone of such highway or street, the local
8
authority or park district shall determine and declare by
9
ordinance a reasonable and safe absolute maximum speed limit
10
at such place or along such part or zone, which:

11

(1) Decreases the limit within an urban district
,
12

which shall not require an engineering or traffic
13

investigation to a maximum speed limit of 25 miles per
14

hour
, but not
to
less than 20 miles per hour
and a maximum
15

speed limit of 10 miles per hour in an alley
; or

16

(2) Increases the limit within an urban district, but
17

not to more than 55 miles per hour; or

18

(3) Decreases the limit outside of an urban district,
19

but not to less than 35 miles per hour, except as otherwise
20

provided in subparagraph 4 of this paragraph; or

21

(4) Decreases the limit within a residence district
,
22

which shall not require an engineering or traffic
23

investigation to a maximum speed limit of 20

, but not to
24

less than 25
miles per hour, except as otherwise provided
25

in
paragraph (1)

subparagraph 1 of this paragraph
.
26

The park district, city, village, or incorporated town may

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1
make such limit applicable at all times or only during certain
2
specified times. Not more than 6 such alterations shall be
3
made per mile along a highway or street; and the difference in
4
limit between adjacent altered speed zones shall not be more
5
than 10 miles per hour.
6

A limit so determined and declared by a park district,
7
city, village, or incorporated town
shall be posted with signs
8
designating the new speed limit and
becomes effective, and
9
suspends the application of the limit prescribed in Section
10
11-601 of this Chapter, when appropriate signs giving notice
11
of the limit are erected at the proper place or along the
12
proper part or zone of the highway or street. Electronic
13
speed-detecting devices shall not be used within 500 feet
14
beyond any such sign in the direction of travel; if so used in
15
violation of this Section evidence obtained thereby shall be
16
inadmissible in any prosecution for speeding. However, nothing
17
in this Section prohibits the use of such electronic
18
speed-detecting devices within 500 feet of a sign within a
19
special school speed zone indicating such zone, conforming to
20
the requirements of Section 11-605 of this Act, nor shall
21
evidence obtained thereby be inadmissible in any prosecution
22
for speeding provided the use of such device shall apply only
23
to the enforcement of the speed limit in such special school
24
speed zone.
25

(b-1) A county, municipality, or township may request that
26
the Department perform an engineering and traffic

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1
investigation concerning any portion of highway under the
2
Department's jurisdiction, which lies within the geographic
3
boundary of the requesting local authority, to determine a
4
reasonable or safe absolute maximum speed limit for that
5
portion of highway. The Department shall perform the
6
engineering and traffic investigation and report the results
7
to the requesting local authority unless otherwise specified
8
in Section 11-602.

9

(c) A county engineer or superintendent of highways may
10
submit to the Department for approval, a county policy for
11
establishing altered speed zones on township and county
12
highways based upon engineering and traffic investigations.
13

(d) Whenever the county board of a county determines that
14
a maximum speed limit is greater or less than is reasonable or
15
safe with respect to the conditions found to exist at any place
16
or along any part or zone of the highway or road, the county
17
board shall determine and declare by ordinance a reasonable
18
and safe absolute maximum speed limit at that place or along
19
that part or zone. However, the maximum speed limit shall not
20
exceed 55 miles per hour. Upon receipt of an engineering study
21
for the part or zone of highway in question from the county
22
engineer, and notwithstanding any other provision of law, the
23
county board of a county may determine and declare by
24
ordinance a reduction in the maximum speed limit at any place
25
or along any part or zone of a county highway whenever the
26
county board, in its sole discretion, determines that the

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1
reduction in the maximum speed limit is reasonable and safe.
2
The county board
shall

may
post signs designating the new
3
speed limit. The limit becomes effective, and suspends the
4
application of the limit prescribed in Section 11-601 of this
5
Chapter, when appropriate signs giving notice of the limit are
6
erected at the proper place or along the proper part of the
7
zone of the highway. Electronic speed-detecting devices shall
8
not be used within 500 feet beyond any such sign in the
9
direction of travel; if so used in violation of this Section,
10
evidence obtained thereby shall be inadmissible in any
11
prosecution for speeding. However, nothing in this Section
12
prohibits the use of such electronic speed-detecting devices
13
within 500 feet of a sign within a special school speed zone
14
indicating such zone, conforming to the requirements of
15
Section 11-605 of this Act, nor shall evidence obtained
16
thereby be inadmissible in any prosecution for speeding
17
provided the use of such device shall apply only to the
18
enforcement of the speed limit in such special school speed
19
zone.
20
(Source: P.A. 95-574, eff. 6-1-08; 95-788, eff. 8-7-08.)

21

Section 99.
Effective date.
This Act takes effect upon
22
becoming law, except the changes made to subsection (b) of
23
Section 11-602 of the Illinois Vehicle Code take effect
24
January 1, 2027.

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