OUTDOOR LIGHTING CONTROL

Illinois General Assembly - Full Text of SB3964

Select Language

×

The Illinois General Assembly offers the Google Translate™ service for visitor convenience. In no way should it be considered accurate as to the translation of any content herein.

Visitors of the Illinois General Assembly website are encouraged to use other translation services available on the internet.

The English language version is always the official and authoritative version of this website.

NOTE: To return to the original English language version, select the "Show Original" button on the Google Translate™ menu bar at the top of the window.

Choose Language

English

Afrikaans

Albanian

Arabic

Armenian

Azerbaijani

Basque

Bengali

Bosnian

Catalan

Croatian

Czech

Danish

Dutch

Esperanto

Estonian

Filipino

Finnish

French

Galician

Georgian

German

Greek

Gujarati

Haitian Creole

Hausa

Hawaiian

Hebrew

Hindi

Hungarian

Icelandic

Indonesian

Interlingua

Interlingue

Inuktitut

Irish

Italian

Japanese

Javanese

Kannada

Khmer

Korean

Latin

Latvian

Lithuanian

Luxembourgish

Macedonian

Malagasy

Malayalam

Maltese

Maori

Marathi

Myanmar

Nepali

Norwegian

Odia

Pashto

Punjabi

Romanian

Russian

Samoan

Sango

Sanskrit

Sardinian

Sindhi

Sinhala

Slovak

Slovenian

Somali

Southern Sotho

Spanish

Sundanese

Swahili

Swedish

Tamil

Telugu

Thai

Tigrinya

Tonga

Turkish

Ukrainian

Urdu

Vietnamese

Welsh

Xhosa

Yiddish

Yoruba

Zulu

Powered by
Translate

Close

Illinois General Assembly

Top Navigation Bar

Translate

Learn

Select General Assembly

Search the 104th General Assembly

Enter search terms for legislation, members, committees, or schedules.

ILGA.GOV

LEGISLATION & LAWS

Bills & Resolutions

Public Acts

Illinois Compiled Statutes

Illinois Constitution

Search Legislation

Glossary

Guide

Reports & Inquiry

Legislative Reports

Special Reports

FTP Site

Legislator Lookup

Capitol Complex Phone Numbers

Rules & Regulations

Illinois Register

Administrative Rules

Senate

Members

Schedules

Committees

Request for Remote Testimony

Journals

Transcripts

Rules

Audio/Video

FOIA Information

Senate Employment Opportunities

Media Guidelines

House

Members

Schedules

Committees

Submit testimony for House Committees

Journals

Transcripts

Rules

Audio/Video

FOIA Information

House Employment Opportunities

Log In

Mobile Top Bar

Search the 104th General Assembly

Enter keywords to search the Illinois General Assembly website.

Full Text of SB3964

Home

Legislation

Full Text

SB3964 - 104th General Assembly

Bill Status

Full Text

Votes

Witness Slips

Select Menu

Bill Status

Full Text

Votes

Witness Slips

Printer Friendly Version

Introduced

Senate Amendment 001

Senate Amendment 002

Printer Friendly Version

Introduced

Senate Amendment 001

Senate Amendment 002

Open PDF

104TH GENERAL ASSEMBLY
State of Illinois
2025 and 2026
SB3964

Introduced 2/6/2026, by Sen. Adriane Johnson

SYNOPSIS AS INTRODUCED:

415 ILCS 200/15
415 ILCS 200/20
415 ILCS 200/25

Amends the Responsible Outdoor Lighting Control Act. Provides that
all new luminaires purchased or installed after June 30, 2032, must have a
correlated color temperature less than or equal to 2,700 Kelvin. Provides
that the act does not apply if it is necessary to use uplighting for
statuary lighting and historical façade lighting. In cases where
uplighting is the only viable solution for these items, the lighting
should have a color corrected temperature of no more than 2,700 degrees
Kelvin, must be minimized to no more than 25% above ANSI/IES standards,
must exceed an illuminance of one lux as measured at ground level both
horizontally and vertically at the property boundary, and must be
extinguished every night no later than 12:00 a.m. Provides that, after
January 1, 2027, any new placement or replacement of uplighting of State
historic statuary and State historical façade lighting shall be approved
by the State Historic Preservation Office. Makes other changes.
LRB104 20563 WRO 34042 b

A BILL FOR

SB3964
LRB104 20563 WRO 34042 b
1

AN ACT concerning safety.

2

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

4

Section 5.
The Responsible Outdoor Lighting Control Act is
5
amended by changing Sections 15, 20, and 25 as follows:

6

(415 ILCS 200/15)
7

Sec. 15.
Outdoor lighting control.
All new luminaires
8
purchased with State funds after the effective date of this
9
Act or installed after the effective date of this Act on a
10
structure or land that is owned and managed by the Department
11
of Natural Resources, including roadways, facilities,
12
properties, nonhabitable structures, monuments, and public
13
right-of-way spaces, including sidewalks, with the intended
14
purpose of outdoor illumination must follow the following
15
outdoor lighting control requirements:
16

(1) Permanent outdoor luminaires must be fully
17

shielded with an IES BUG rating and produce less than 1% of
18

its emitted light above 80 degrees from the downward
19

vertical direction of nadir. Light should not be emitted
20

at an angle above 60 degrees from the downward vertical
21

direction of nadir.
22

(2) Luminaires must avoid light trespass by not
23

exceeding an illuminance of one lux as measured at ground

SB3964
- 2 -
LRB104 20563 WRO 34042 b
1

level both horizontally and vertically at the property
2

boundary.
3

(3) Luminaires
purchased or installed on or before
4

June 30, 2032
must have a correlated color temperature
5

less than or equal to 2,700 Kelvin.
All new luminaires
6

purchased or installed after June 30, 2032, must have a
7

correlated color temperature less than or equal to 2,700
8

Kelvin.

In residential areas, dark sky locations, or
9

environmentally sensitive areas, such as State parks and
10

outdoor recreation facilities, correlated color
11

temperature should be no more than 2,200 Kelvin.

12

(4) Outdoor lighting must be minimized to no more than
13

25% above ANSI/IES standards or United States Department
14

of Transportation recommendations.
15

(5) Facade lighting must be minimized to no more than
16

25% above ANSI/IES standards,
must project downward,
and
17

must not violate the light trespass limits in paragraph
18

(2).
19

(6) When the installation or replacement of roadway
20

lighting is planned, the appropriate authority must
21

determine whether reflective roadway markings or
22

reflective signage is appropriate and safe for the
23

situation in lieu of outdoor lighting. Reflectorized
24

roadway markings, lines, warning signs, informational
25

signs or other passive means must be used for roadway
26

lighting, except at intersections of 2 or more streets or

SB3964
- 3 -
LRB104 20563 WRO 34042 b
1

highways, unless it is determined that adequate safety
2

cannot be achieved by reflective means.
3

(7) No artificial lighting above one lux, as measured
4

at ground level both horizontally and vertically, may
5

trespass onto land or waterways designated or managed as
6

habitat, reserve, natural area, open space, or wilderness.

7
(Source: P.A. 103-1007, eff. 1-1-25
.)

8

(415 ILCS 200/20)
9

Sec. 20.
Exceptions.
This Act does not apply if:
10

(1) the luminaires are on a structure or land that is
11

owned, supported, funded, leased, or managed by the State
12

in a county or municipality that, by ordinance or
13

resolution, has adopted provisions that are equal to or
14

more stringent than the provisions of this Act;
15

(2) a federal law or regulation preempts this Act;
16

(3) a State agency determines a safety or security
17

need exists that cannot be addressed by any other method;
18

(4) fire, police, rescue, or repair personnel need
19

light for temporary emergencies or road repair work;
20

(5) it has been determined that a reasonable safety
21

and security interest exists at correctional or hospital
22

facilities that cannot be addressed by another method as
23

long as it complies with existing standards,
24

specifications, or policies;
25

(6) navigational lighting systems and other lighting

SB3964
- 4 -
LRB104 20563 WRO 34042 b
1

are necessary to comply with Federal Aviation
2

Administration airside operations or nautical safety;
3

(7) lamps greater than 2,700 Kelvin are used on active
4

sports grounds or show grounds, but only for the duration
5

of a practice, match, or event. Lamps emitting greater
6

than 2,700 Kelvin under this paragraph must be positioned,
7

angled, or shielded to prevent direct glare and light
8

trespass onto neighboring property or properties, and the
9

positioning, angling, or shielding must limit upward light
10

emission to only the amount necessary to light the
11

sporting or grounds activity;
12

(8) flagpoles installed after the effective date of
13

this Act are lit by means of a downward-facing lamp and
14

using a lamp of 2,700 Kelvin or lower;
15

(9) flagpoles installed on or before the effective
16

date of this Act are upward-lit by partially shielded or
17

unshielded luminaires using a lamp of 2,200 Kelvin or
18

lower to minimize the impact of glare, light trespass, and
19

sky glow and are converted to conform to requirements upon
20

retrofitting;
21

(10) the
luminaires

luminaries
are existing decorative
22

and ornamental lighting that serve historical purposes,
23

but replacement
luminaires

luminaries
for the existing
24

decorative and ornamental lighting must meet the standards
25

of this Act
to the extent possible while maintaining
26

historical fidelity
;
or

SB3964
- 5 -
LRB104 20563 WRO 34042 b
1

(11) the
luminaires

luminaries
are temporary seasonal
2

holiday lighting lasting no longer than 45 days
3

surrounding the holiday season
;

.
4

(12) it is necessary to use uplighting for statuary
5

lighting and historical façade lighting. In cases where
6

uplighting is the only viable solution for these items,
7

the lighting should have a color corrected temperature of
8

no more than 2,700 degrees Kelvin, must be minimized to no
9

more than 25% above ANSI/IES standards, must not violate
10

the light trespass limits in paragraph (2) of Section 15,
11

and must be extinguished every night no later than 12:00
12

a.m. After January 1, 2027, any new placement or
13

replacement of uplighting of State historic statuary and
14

State historical façade lighting shall be approved by the
15

State Historic Preservation Office.

16
(Source: P.A. 103-1007, eff. 1-1-25
.)

17

(415 ILCS 200/25)
18

Sec. 25.
Other laws.
If this Act conflicts with any other
19
federal law, State law, or local ordinance controlling
20
lighting, outdoor
luminaires

luminaries
, signage, outdoor
21
advertising, displays, or devices that is more stringent than
22
the Act, then the federal law, State law, or local ordinance
23
controls to the extent it is more stringent than the Act.
24
(Source: P.A. 103-1007, eff. 1-1-25
.)

Footer

Disclaimer

This site is maintained for the Illinois General Assembly by the
Legislative Information System, 705 Stratton Building, Springfield, Illinois 62706.

Contact ILGA Webmaster

ILGA.gov uses cookies to ensure you get the best experience on our website. By continuing to browse ILGA.gov you consent to our use of cookies.
Read About Cookies

ILGA.GOV

2026 ILGA.gov | All Rights Reserved |
ADA

|
Disclaimers
|
Learn

This site is maintained for the Illinois General Assembly by the
Legislative Information System, 705 Stratton Building, Springfield, Illinois 62706.
Contact ILGA Webmaster

ILGA.gov uses cookies to ensure you get the best experience on our website. By continuing to browse ILGA.gov you consent to our use of cookies.
Read About Cookies

ILGA.GOV

2026 ILGA.gov | All Rights Reserved |
ADA

|
Disclaimers
|
Learn