SB1166 • 2026

Enacts provisions relating to the use of automated traffic enforcement systems

Passed Legislature

This bill passed both chambers and reached final enrollment, even if later executive action is not shown here.

Sponsor: Moon, Mike; House handler: N/A
Last action: 2026-01-27
Official status: Second Read and Referred S Transportation, Infrastructure and Public Safety Committee
Effective date: 2026-08-28

Plain English Breakdown

Using official source text because the generated explanation was unavailable or could not be confirmed against the official bill text.

Enacts provisions relating to the use of automated traffic enforcement systems

The following summaries of this bill are available: Print All Summaries Introduced Print SB 1166 - This act prohibits political subdivisions and state agencies from using automated photo red light enforcement systems to enforce red light violations.

What This Bill Does

The following summaries of this bill are available: Print All Summaries Introduced Print SB 1166 - This act prohibits political subdivisions and state agencies from using automated photo red light enforcement systems to enforce red light violations.
(Section 304.286).
The act also prohibits political subdivisions and state agencies from using automated license plate reader systems, or accessing or using captured license plate data of vehicles located on a public highway, with certain exceptions specified in the act.
(Section 590.1000).

Limits and Unknowns

This entry is temporarily using official source text because the generated explanation could not be confirmed against the official bill text during the last sync.

Bill History

2026-01-27 S237
Second Read and Referred S Transportation, Infrastructure and Public Safety Committee
2026-01-07 S66
S First Read
2025-12-01 Missouri House of Representatives and Missouri Senate
Prefiled

Official Summary Text

The following summaries of this bill are available:

Print All Summaries

Introduced

Print

SB 1166 - This act prohibits political subdivisions and state agencies from using automated photo red light enforcement systems to enforce red light violations. (Section 304.286).

The act also prohibits political subdivisions and state agencies from using automated license plate reader systems, or accessing or using captured license plate data of vehicles located on a public highway, with certain exceptions specified in the act. (Section 590.1000).

This act is identical to SB 540 (2025) and HB 658 (2025). This act contains provisions identical to SB 1027 (2026) and HB 2849 (2024), and substantially similar to SB 1269 (2024) and SB 610 (2012).
TAYLOR MIDDLETON

Current Bill Text

Read the full stored bill text

SECOND REGULAR SESSION
SENATE BILL NO. 1166
103RD GENERAL ASSEMBLY
INTRODUCED BY SENATOR MOON.
5700S.01I KRISTINA MARTIN, Secretary
AN ACT
To amend chapters 304 and 590, RSMo, by adding thereto two new sections relating to automated
traffic enforcement systems.
Be it enacted by the General Assembly of the State of Missouri, as follows:
Section A. Chapters 304 and 590, RSMo, are amended by 1
adding thereto two new sections, to be known as sections 304.286 2
and 590.1000, to read as follows:3
304.286. No county, city, town, village, municipality, 1
state agency, or other political subdivision of this state 2
that is authorized to issue a notice for a violation of a 3
state or local traffic law or regulation shall use or employ 4
an automated photo red light enforcement system at any 5
intersection within its jurisdiction. As used in this 6
section, the term "automated photo red light enforcement 7
system" means a device, consisting of a camera or cameras 8
and a vehicle sensor or sensors, that is installed to work 9
in conjunction with a traffic control signal and used to 10
produce recorded images of motor vehicles entering an 11
intersection against a red signal indication. 12
590.1000. 1. As used in this section, the following 1
terms mean: 2
(1) "Automated license plate reader system", a system 3
of one or more cameras combined with computer algorithms to 4
SB 1166 2
convert images of license plates into data readable by a 5
computer; 6
(2) "Captured plate data", the global positioning 7
device coordinates, date and time, photograph, license plate 8
number, and any other data captured by an automated license 9
plate reader system; 10
(3) "License plate", the same meaning as is ascribed 11
to such term or the term "registration plate" in chapter 301; 12
(4) "Public highway", any public thoroughfare for 13
vehicles, including state highways, county roads, and public 14
streets, avenues, boulevards, parkways, and alleys in any 15
municipality. 16
2. No county, city, town, village, municipality, state 17
agency, or other political subdivision of this state shall 18
purchase, install, or use any automated license plate reader 19
system, or access or use plate data captured from vehicles 20
located on a public highway. 21
3. This section shall not apply with regard to 22
automated license plate reader systems affixed to vehicles 23
occupied by a peace officer. 24
4. This section shall not apply with regard to the 25
accessing or use of captured plate data captured by a third- 26
party vendor in accordance with sections 303.420 to 303.440. 27
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