SB1559 - 104th General Assembly (2025-2026)

IDOT-TRAFFIC STUDIES
Last Action

8/01/2025 - Senate: Public Act . . . . . . . . . 104-0110
Statutes Amended In Order of Appearance

Synopsis As Introduced

Amends the Department of Transportation Law of the Civil Administrative Code of Illinois. Requires the Department of Transportation to conduct a traffic study following the occurrence of any crash involving a pedestrian fatality that occurs at an intersection of a federal or municipal highway.

Senate Committee Amendment No. 1

Replaces everything after the enacting clause. Amends the Department of Transportation Law of the Civil Administrative Code of Illinois. Requires the Department of Transportation to conduct a traffic study following the occurrence of any crash involving a pedestrian fatality that occurs at an intersection of a State or municipal highway. Sets forth the meeting agendas for State and municipal government departments of transportation if a memorandum of understanding exists between the State and municipal departments of transportation and that memorandum of understanding requires that the 2 bodies meet monthly or regularly. Provides that the Department shall conduct a timely analysis of each fatal traffic crash that occurs on a State or municipal highway that is reported to the Illinois State Police or a local law enforcement agency. Provides that the Department shall conduct periodic analyses to identify trends, patterns, and correlations associated with traffic crashes. Provides that based on its analyses, the Department shall identify potential actions to increase traffic safety. Provides that when appropriate, the Department shall include estimates for the cost of implementation and potential funding options in its identification of such potential actions. Provides that in conducting analyses and in identifying potential actions, the Department shall coordinate with any other department, agency, or organization deemed relevant by the Department. Requires each department of transportation to make the reports of the analysis and the results of the study available to the public upon request.

Senate Floor Amendment No. 2

Actions

DateChamberAction
2/04/2025SenateFiled with Secretary by Sen. Sara Feigenholtz
2/04/2025SenateFirst Reading
2/04/2025SenateReferred to Assignments
2/11/2025SenateAssigned to Transportation
3/05/2025SenatePostponed - Transportation
3/14/2025SenateSenate Committee Amendment No. 1 Filed with Secretary by Sen. Sara Feigenholtz
3/14/2025SenateSenate Committee Amendment No. 1 Referred to Assignments
3/18/2025SenateSenate Committee Amendment No. 1 Assignments Refers to Transportation
3/18/2025SenateSenate Committee Amendment No. 1 Adopted
3/19/2025SenateDo Pass as Amended Transportation; 015-000-000
3/19/2025SenatePlaced on Calendar Order of 2nd Reading March 20, 2025
4/03/2025SenateSenate Floor Amendment No. 2 Filed with Secretary by Sen. Sara Feigenholtz
4/03/2025SenateSenate Floor Amendment No. 2 Referred to Assignments
4/08/2025SenateSenate Floor Amendment No. 2 Assignments Refers to Transportation
4/08/2025SenateSenate Floor Amendment No. 2 Recommend Do Adopt Transportation; 019-000-000
4/10/2025SenateSecond Reading
4/10/2025SenateSenate Floor Amendment No. 2 Adopted; Feigenholtz
4/10/2025SenatePlaced on Calendar Order of 3rd Reading April 11, 2025
4/11/2025SenateThird Reading - Passed; 052-000-000
4/11/2025HouseArrived in House
4/11/2025HouseChief House Sponsor Rep. Ann M. Williams
4/11/2025HouseFirst Reading
4/11/2025HouseReferred to Rules Committee
4/17/2025HouseAssigned to Transportation: Vehicles & Safety
4/30/2025HouseDo Pass / Short Debate Transportation: Vehicles & Safety; 012-000-000
4/30/2025HousePlaced on Calendar 2nd Reading - Short Debate
4/30/2025HouseAdded Alternate Chief Co-Sponsor Rep. Jaime M. Andrade, Jr.
4/30/2025HouseAdded Alternate Chief Co-Sponsor Rep. Matt Hanson
4/30/2025HouseAdded Alternate Chief Co-Sponsor Rep. Margaret Croke
4/30/2025HouseAdded Alternate Chief Co-Sponsor Rep. Bradley Fritts
5/08/2025HouseAdded Alternate Co-Sponsor Rep. Martha Deuter
5/09/2025HouseAdded Alternate Co-Sponsor Rep. Will Guzzardi
5/09/2025HouseAdded Alternate Co-Sponsor Rep. Theresa Mah
5/09/2025HouseAdded Alternate Co-Sponsor Rep. Michael J. Coffey, Jr.
5/09/2025HouseAdded Alternate Co-Sponsor Rep. Wayne A. Rosenthal
5/16/2025HouseSecond Reading - Short Debate
5/16/2025HousePlaced on Calendar Order of 3rd Reading - Short Debate
5/20/2025HouseAdded Alternate Co-Sponsor Rep. Anne Stava
5/21/2025HouseThird Reading - Short Debate - Passed 111-000-000
5/21/2025SenatePassed Both Houses
5/21/2025HouseAdded Alternate Co-Sponsor Rep. Kelly M. Cassidy
6/18/2025SenateSent to the Governor
8/01/2025SenateGovernor Approved
8/01/2025SenateEffective Date January 1, 2026
8/01/2025SenatePublic Act . . . . . . . . . 104-0110