All Roll Calls
Yes: 209 • No: 0
IllinoisSB1559104th General Assembly (2025–2026)Senate
IDOT-TRAFFIC STUDIES
Sponsored By: Sara Feigenholtz (Democratic)
Became Law
assignmentstransportationtransportation: vehicles & safety
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Bill Overview
Analyzed Economic Effects
2 provisions identified: 2 benefits, 0 costs, 0 mixed.
State help for city traffic and carpools
The Illinois Department of Transportation can create and coordinate programs for driver education and traffic safety. It can advise other state agencies. It helps counties, cities, and towns with planning, traffic flow, and light timing. It can support carpool lanes and carpool parking to move traffic faster and safer.
Traffic studies after deadly pedestrian crashes
The Illinois Department of Transportation must study any crash that kills a pedestrian at a State highway intersection. The study looks at road design, traffic signals, and other fixes to cut crashes. It finds trends and patterns, including for pedestrians and bicyclists. The Department coordinates with other relevant agencies or groups. Results are posted on the Department’s website and shared with the public on request.
Sponsors & Cosponsors
Sponsor
Sara Feigenholtz
Democratic • Senate
Cosponsors
Ann M. Williams
Democratic • House
Anne Stava
Democratic • House
Bradley Fritts
Republican • House
Jaime M. Andrade, Jr.
Democratic • House
Kelly M. Cassidy
Democratic • House
Margaret Croke
Democratic • House
Martha Deuter
Democratic • House
Matt Hanson
Democratic • House
Michael J. Coffey, Jr.
Republican • House
Theresa Mah
Democratic • House
Wayne A. Rosenthal
Republican • House
Will Guzzardi
Democratic • House
Roll Call Votes
House vote • 5/21/2025
Third Reading - Short Debate - Passed
Yes: 111 • No: 0
House vote • 4/30/2025
Do Pass / Short Debate Transportation: Vehicles & Safety;
Yes: 12 • No: 0
Senate vote • 4/11/2025
Third Reading - Passed;
Yes: 52 • No: 0
Senate vote • 4/8/2025
Senate Floor Amendment No. 2 Recommend Do Adopt Transportation;
Yes: 19 • No: 0
Senate vote • 3/19/2025
Do Pass as Amended Transportation;
Yes: 15 • No: 0
Actions Timeline
Public Act . . . . . . . . . 104-0110
8/1/2025SenateEffective Date January 1, 2026
8/1/2025SenateGovernor Approved
8/1/2025SenateSent to the Governor
6/18/2025SenateAdded Alternate Co-Sponsor Rep. Kelly M. Cassidy
5/21/2025HousePassed Both Houses
5/21/2025SenateThird Reading - Short Debate - Passed 111-000-000
5/21/2025HouseAdded Alternate Co-Sponsor Rep. Anne Stava
5/20/2025HousePlaced on Calendar Order of 3rd Reading - Short Debate
5/16/2025HouseSecond Reading - Short Debate
5/16/2025HouseAdded Alternate Co-Sponsor Rep. Wayne A. Rosenthal
5/9/2025HouseAdded Alternate Co-Sponsor Rep. Michael J. Coffey, Jr.
5/9/2025HouseAdded Alternate Co-Sponsor Rep. Theresa Mah
5/9/2025HouseAdded Alternate Co-Sponsor Rep. Will Guzzardi
5/9/2025HouseAdded Alternate Co-Sponsor Rep. Martha Deuter
5/8/2025HouseAdded Alternate Chief Co-Sponsor Rep. Bradley Fritts
4/30/2025HouseAdded Alternate Chief Co-Sponsor Rep. Margaret Croke
4/30/2025HouseAdded Alternate Chief Co-Sponsor Rep. Matt Hanson
4/30/2025HouseAdded Alternate Chief Co-Sponsor Rep. Jaime M. Andrade, Jr.
4/30/2025HousePlaced on Calendar 2nd Reading - Short Debate
4/30/2025HouseDo Pass / Short Debate Transportation: Vehicles & Safety; 012-000-000
4/30/2025HouseAssigned to Transportation: Vehicles & Safety
4/17/2025HouseReferred to Rules Committee
4/11/2025HouseFirst Reading
4/11/2025HouseChief House Sponsor Rep. Ann M. Williams
4/11/2025House
Bill Text
Engrossed
Enrolled
Introduced
Senate Amendment 1
Senate Amendment 2