Bill Commons

IL SB 1559

enacted

IDOT-TRAFFIC STUDIES

Illinois · 104th General Assembly, 2026 Session · upper

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Quick answers

Did IL SB 1559 pass?

Yes. IL SB 1559 has been enacted into law. Latest recorded action (2025-08-01): Public Act . . . . . . . . . 104-0110

What is IL SB 1559 about?

IL SB 1559 is a bill in the 104th General Assembly, 2026 Session titled “IDOT-TRAFFIC STUDIES”.

Who sponsors IL SB 1559?

Sara Feigenholtz, Ann M. Williams are the primary sponsors of IL SB 1559, joined by 11 cosponsors.

Introduced
2025-03-14
Latest action
2025-08-01 — Public Act . . . . . . . . . 104-0110
Bill type
bill
Last updated
—

Sponsors

  • Sara Feigenholtzprimary
  • Ann M. Williamsprimary
  • Jaime M. Andrade, Jr.cosponsor
  • Matt Hansoncosponsor
  • Margaret Crokecosponsor
  • Bradley Frittscosponsor
  • Martha Deutercosponsor
  • Will Guzzardicosponsor
  • Theresa Mahcosponsor
  • Michael J. Coffey, Jr.cosponsor
  • Wayne A. Rosenthalcosponsor
  • Anne Stavacosponsor
  • Kelly M. Cassidycosponsor

Committees

Not provided by source.

Action timeline

Newest first

  1. 2025-08-01

    Public Act . . . . . . . . . 104-0110

    became-law

  2. 2025-08-01

    Effective Date January 1, 2026

  3. 2025-08-01

    Governor Approved

    executive-signature

  4. 2025-06-18

    Sent to the Governor

    executive-receipt

  5. 2025-05-21

    Added Alternate Co-Sponsor Rep. Kelly M. Cassidy

  6. 2025-05-21

    Passed Both Houses

  7. 2025-05-21

    Third Reading - Short Debate - Passed 111-000-000

    passage,reading-3

  8. 2025-05-20

    Added Alternate Co-Sponsor Rep. Anne Stava

  9. 2025-05-16

    Placed on Calendar Order of 3rd Reading - Short Debate

  10. 2025-05-16

    Second Reading - Short Debate

    reading-2

  11. 2025-05-09

    Added Alternate Co-Sponsor Rep. Wayne A. Rosenthal

  12. 2025-05-09

    Added Alternate Co-Sponsor Rep. Michael J. Coffey, Jr.

  13. 2025-05-09

    Added Alternate Co-Sponsor Rep. Theresa Mah

  14. 2025-05-09

    Added Alternate Co-Sponsor Rep. Will Guzzardi

  15. 2025-05-08

    Added Alternate Co-Sponsor Rep. Martha Deuter

  16. 2025-04-30

    Added Alternate Chief Co-Sponsor Rep. Bradley Fritts

  17. 2025-04-30

    Added Alternate Chief Co-Sponsor Rep. Margaret Croke

  18. 2025-04-30

    Added Alternate Chief Co-Sponsor Rep. Matt Hanson

  19. 2025-04-30

    Added Alternate Chief Co-Sponsor Rep. Jaime M. Andrade, Jr.

  20. 2025-04-30

    Placed on Calendar 2nd Reading - Short Debate

    reading-2

  21. 2025-04-30

    Do Pass / Short Debate Transportation: Vehicles & Safety; 012-000-000

  22. 2025-04-17

    Assigned to Transportation: Vehicles & Safety

    referral-committee

  23. 2025-04-11

    Referred to Rules Committee

  24. 2025-04-11

    First Reading

    reading-1

  25. 2025-04-11

    Chief House Sponsor Rep. Ann M. Williams

  26. 2025-04-11

    Arrived in House

    introduction

  27. 2025-04-11

    Third Reading - Passed; 052-000-000

    passage,reading-3

  28. 2025-04-10

    Placed on Calendar Order of 3rd Reading April 11, 2025

  29. 2025-04-10

    Senate Floor Amendment No. 2 Adopted; Feigenholtz

    amendment-passage

  30. 2025-04-10

    Second Reading

    reading-2

  31. 2025-04-08

    Senate Floor Amendment No. 2 Recommend Do Adopt Transportation; 019-000-000

  32. 2025-04-08

    Senate Floor Amendment No. 2 Assignments Refers to Transportation

  33. 2025-04-03

    Senate Floor Amendment No. 2 Referred to Assignments

  34. 2025-04-03

    Senate Floor Amendment No. 2 Filed with Secretary by Sen. Sara Feigenholtz

    amendment-introduction

  35. 2025-03-19

    Placed on Calendar Order of 2nd Reading March 20, 2025

    reading-2

  36. 2025-03-19

    Do Pass as Amended Transportation; 015-000-000

  37. 2025-03-18

    Senate Committee Amendment No. 1 Adopted

    amendment-passage

  38. 2025-03-18

    Senate Committee Amendment No. 1 Assignments Refers to Transportation

  39. 2025-03-14

    Senate Committee Amendment No. 1 Referred to Assignments

  40. 2025-03-14

    Senate Committee Amendment No. 1 Filed with Secretary by Sen. Sara Feigenholtz

    amendment-introduction

  41. 2025-03-05

    Postponed - Transportation

  42. 2025-02-11

    Assigned to Transportation

    referral-committee

  43. 2025-02-04

    Referred to Assignments

  44. 2025-02-04

    First Reading

    reading-1

  45. 2025-02-04

    Filed with Secretary by Sen. Sara Feigenholtz

    filing

Versions

Documents

Votes

  • Transportation

    2025-03-18 · pass · 15-0

    Member-level votes (19)
    • Ellman, Laura: yes
    • DeWitte, Donald P: yes
    • Fowler, Dale: yes
    • Feigenholtz, Sara: yes
    • Harriss, Erica: yes
    • Hills, Darby A: yes
    • Joyce, Patrick J: yes
    • Johnson, Adriane: yes
    • Murphy, Laura M: yes
    • Lewis, Seth: yes
    • Porfirio, Mike: yes
    • Stadelman, Steve: yes
    • Simmons, Mike: yes
    • Villivalam, Ram: yes
    • Villanueva, Celina: yes
    • Glowiak Hilton, Suzy: not voting
    • Hunter, Mattie: not voting
    • Peters, Robert: not voting
    • Wilcox, Craig: not voting
  • Transportation, Amendment 2

    2025-04-08 · pass · 19-0

    Member-level votes (19)
    • Ellman, Laura: yes
    • DeWitte, Donald P: yes
    • Fowler, Dale: yes
    • Feigenholtz, Sara: yes
    • Harriss, Erica: yes
    • Glowiak Hilton, Suzy: yes
    • Johnson, Adriane: yes
    • Hills, Darby A: yes
    • Lewis, Seth: yes
    • Joyce, Patrick J: yes
    • Peters, Robert: yes
    • Murphy, Laura M: yes
    • Simmons, Mike: yes
    • Porfirio, Mike: yes
    • Ventura, Rachel: yes
    • Stadelman, Steve: yes
    • Villivalam, Ram: yes
    • Villanueva, Celina: yes
    • Wilcox, Craig: yes
  • Third Reading

    2025-04-11 · pass · 52-0

    Member-level votes (58)
    • Joyce: yes
    • Faraci: yes
    • Anderson: yes
    • Sims: yes
    • Koehler: yes
    • Feigenholtz: yes
    • Lewis: yes
    • Fine: yes
    • Arellano, L.: yes
    • Syverson: yes
    • Lightford: yes
    • Fowler: yes
    • Balkema: yes
    • Tracy: yes
    • Loughran Cappel: yes
    • Glowiak Hilton: yes
    • Belt: yes
    • Turner, D.: yes
    • Guzmán: yes
    • Bryant: yes
    • Turner, S.: yes
    • McClure: yes
    • Halpin: yes
    • Castro: yes
    • Ventura: yes
    • Morrison: yes
    • Harris, N.: yes
    • Cervantes: yes
    • Villa: yes
    • Murphy: yes
    • Harriss, E.: yes
    • Chesney: yes
    • Villanueva: yes
    • Peters: yes
    • Hastings: yes
    • Collins: yes
    • Plummer: yes
    • Hills: yes
    • Cunningham: yes
    • Walker: yes
    • Porfirio: yes
    • Holmes: yes
    • Curran: yes
    • Wilcox: yes
    • Preston: yes
    • DeWitte: yes
    • Rezin: yes
    • Johnson: yes
    • Edly-Allen: yes
    • Rose: yes
    • Ellman: yes
    • Simmons: not voting
    • Aquino: not voting
    • Stadelman: not voting
    • Martwick: not voting
    • Villivalam: not voting
    • Hunter: not voting
    • Jones, E.: not voting
  • Transportation: Vehicles & Safety

    2025-04-30 · pass · 12-0

    Member-level votes (12)
    • Benton, Harry: yes
    • Andrade Jr., Jaime M: yes
    • Deering, Regan: yes
    • Croke, Margaret: yes
    • González Jr., Edgar: yes
    • Fritts, Bradley: yes
    • Hanson, Matt: yes
    • Guerrero-Cuellar, Angelica: yes
    • Kelly, Michael J: yes
    • Hernandez, Barbara: yes
    • Stephens, Brad: yes
    • Rosenthal, Wayne A: yes
  • Third Reading

    2025-05-21 · pass · 111-0

    Member-level votes (117)
    • Mussman: yes
    • Guerrero-Cuellar: yes
    • Ness: yes
    • Guzzardi: yes
    • Andrade: yes
    • Niemerg: yes
    • Haas: yes
    • Avelar: yes
    • Olickal: yes
    • Halbrook: yes
    • Benton: yes
    • Ortíz, Aarón: yes
    • Hammond: yes
    • Blair-Sherlock: yes
    • Rashid: yes
    • Hanson: yes
    • Briel: yes
    • Reick: yes
    • Harper: yes
    • Buckner: yes
    • Rita: yes
    • Hauter: yes
    • Bunting: yes
    • Rosenthal: yes
    • Hernandez, Barbara: yes
    • Cabello: yes
    • Ryan: yes
    • Hernandez, Lisa: yes
    • Canty: yes
    • Sanalitro: yes
    • Hernandez, Norma: yes
    • Cassidy: yes
    • Chung: yes
    • Schmidt: yes
    • Hoffman: yes
    • Coffey: yes
    • Schweizer: yes
    • Huynh: yes
    • Costa Howard: yes
    • Severin: yes
    • Jacobs: yes
    • Crawford: yes
    • Sheehan: yes
    • Jiménez: yes
    • Crespo: yes
    • Slaughter: yes
    • Johnson: yes
    • Croke: yes
    • Smith: yes
    • Jones: yes
    • Davidsmeyer: yes
    • Sosnowski: yes
    • Katz Muhl: yes
    • Davis, Jed: yes
    • Spain: yes
    • Keicher: yes
    • Stava-Murray: yes
    • Kelly: yes
    • Davis, Will: yes
    • Kifowit: yes
    • Deering: yes
    • Stuart: yes
    • La Ha: yes
    • Delgado: yes
    • Swanson: yes
    • LaPointe: yes
    • DeLuca: yes
    • Lilly: yes
    • Deuter: yes
    • Tarver: yes
    • Mah: yes
    • Didech: yes
    • Tipsword: yes
    • Manley: yes
    • Du Buclet: yes
    • Ugaste: yes
    • Mason: yes
    • Elik: yes
    • Vella: yes
    • Mayfield: yes
    • Evans: yes
    • Walsh: yes
    • McCombie: yes
    • Faver Dias: yes
    • Weaver: yes
    • McLaughlin: yes
    • Ford: yes
    • Weber: yes
    • Meier: yes
    • West: yes
    • Meyers-Martin: yes
    • Fritts: yes
    • Wilhour: yes
    • Miller: yes
    • Gabel: yes
    • Williams, Ann: yes
    • Moeller: yes
    • Gill: yes
    • Williams, Jawaharial: yes
    • Moore: yes
    • Gong-Gershowitz: yes
    • Windhorst: yes
    • Morgan: yes
    • González, Edgar: yes
    • Yang Rohr: yes
    • Morris: yes
    • Gordon-Booth: yes
    • Moylan: yes
    • Grant: yes
    • Grasse: yes
    • Ammons: excused
    • Scherer: excused
    • Hirschauer: excused
    • Davis, Lisa: excused
    • Stephens: excused
    • Syed: excused
    • Friess: excused

Related bills

No related bills recorded for this bill.

Official source

Attribution

Data from openstates_bulk_csv, retrieved 2026-07-24T05:21:14.316252Z

Inspect retained evidence for changes recorded after evidence tracking began:

Session-wide evidence can include changes to other bills:

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