---
type: "Bill"
title: "VEH CD-KINGPIN-REAR AXLE LIMIT"
description: "Amends the Illinois Vehicle Code. Removes length limits for the distance between the kingpin and the center of the rear axle of a semitrailer longer than 48 feet, in combination with a truck tractor."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "97th"
identifier: "SB 2579"
citation: "Illinois SB 2579 (97th)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 48
vote_count: 2
first_action: "2012-01-18"
last_action: "2012-08-02"
source: "openstates"
source_identifier: "ocd-bill/d3c92cdc-61f9-4998-ad2c-5df510e14827"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=2579&GAID=11&DocTypeID=SB&LegId=62912&SessionID=84&GA=97"
source_hash: "f5c6403e9607c915a51cab8cccf0a0c1cf7957bb6e43a64afb3de0eeea6b6def"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-il"]
---

# Illinois SB 2579 (97th) — VEH CD-KINGPIN-REAR AXLE LIMIT

Amends the Illinois Vehicle Code. Removes length limits for the distance between the kingpin and the center of the rear axle of a semitrailer longer than 48 feet, in combination with a truck tractor.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Introduced** (filed) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09700SB2579&GA=97&SessionId=84&DocTypeId=SB&LegID=62912&DocNum=2579&GAID=11&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09700SB2579eng&GA=97&SessionId=84&DocTypeId=SB&LegID=62912&DocNum=2579&GAID=11&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09700SB2579enr&GA=97&SessionId=84&DocTypeId=SB&LegID=62912&DocNum=2579&GAID=11&Session=&print=true)

## Votes

- Third Reading — **112–2** (pass) · lower
- Third Reading — **50–0** (pass) · upper

## Sponsors

- Adam Brown — cosponsor (person)
- Brad E. Halbrook — cosponsor (person)
- Chad Hays — cosponsor (person)
- Dwight Kay — cosponsor (person)
- Jim Sacia — cosponsor (person)
- John M. Sullivan — primary (person)
- Michael Unes — cosponsor (person)
- Robert W. Pritchard — cosponsor (person)
- Wayne Rosenthal — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2012-01-18** Filed with Secretary by Sen. John M. Sullivan `filing`
- **2012-01-18** First Reading `reading-1`
- **2012-01-18** Referred to Assignments `referral-committee`
- **2012-01-24** Assigned to Transportation `referral-committee`
- **2012-02-16** Senate Committee Amendment No. 1 Filed with Secretary by Sen. John M. Sullivan `amendment-introduction`
- **2012-02-16** Senate Committee Amendment No. 1 Referred to Assignments `referral-committee`
- **2012-02-22** Senate Committee Amendment No. 1 Assignments Refers to Transportation
- **2012-02-22** Senate Committee Amendment No. 2 Filed with Secretary by Sen. John M. Sullivan `amendment-introduction`
- **2012-02-22** Senate Committee Amendment No. 2 Referred to Assignments `referral-committee`
- **2012-02-23** Senate Committee Amendment No. 2 Assignments Refers to Transportation
- **2012-02-24** Senate Committee Amendment No. 1 Adopted `amendment-passage`
- **2012-02-24** Senate Committee Amendment No. 2 Adopted `amendment-passage`
- **2012-02-24** Do Pass as Amended Transportation; 010-000-000 `committee-passage`
- **2012-02-24** Placed on Calendar Order of 2nd Reading February 27, 2012
- **2012-02-27** Second Reading `reading-2`
- **2012-02-27** Placed on Calendar Order of 3rd Reading February 28, 2012
- **2012-03-22** Added as Chief Co-Sponsor Sen. Gary Forby
- **2012-03-22** Third Reading - Passed; 050-000-000 `reading-3, passage`
- **2012-03-23** Arrived in House `introduction`
- **2012-03-23** Chief House Sponsor Rep. David Reis
- **2012-03-23** Placed on Calendar Order of First Reading `reading-1`
- **2012-03-23** First Reading `reading-1`
- **2012-03-23** Referred to Rules Committee `referral-committee`
- **2012-04-16** Assigned to Transportation: Regulation, Roads & Bridges Committee `referral-committee`
- **2012-04-24** Do Pass / Short Debate Transportation: Regulation, Roads & Bridges Committee; 012-000-000 `committee-passage`
- **2012-04-25** Placed on Calendar 2nd Reading - Short Debate
- **2012-04-26** Added Alternate Co-Sponsor Rep. Norine Hammond
- **2012-04-26** Alternate Co-Sponsor Removed Rep. Norine Hammond
- **2012-05-02** Second Reading - Short Debate `reading-2`
- **2012-05-02** Placed on Calendar Order of 3rd Reading - Short Debate
- **2012-05-03** Added Alternate Chief Co-Sponsor Rep. Rich Brauer
- **2012-05-03** Added Alternate Chief Co-Sponsor Rep. Norine Hammond
- **2012-05-03** Added Alternate Chief Co-Sponsor Rep. Jil Tracy
- **2012-05-03** Added Alternate Chief Co-Sponsor Rep. John D. Cavaletto
- **2012-05-10** Third Reading - Short Debate - Passed 112-002-000 `reading-3, passage`
- **2012-05-10** Added Alternate Co-Sponsor Rep. Robert W. Pritchard
- **2012-05-10** Added Alternate Co-Sponsor Rep. Dwight Kay
- **2012-05-10** Added Alternate Co-Sponsor Rep. Adam Brown
- **2012-05-10** Added Alternate Co-Sponsor Rep. Michael Unes
- **2012-05-10** Added Alternate Co-Sponsor Rep. Wayne Rosenthal
- **2012-05-10** Added Alternate Co-Sponsor Rep. Chad Hays
- **2012-05-10** Added Alternate Co-Sponsor Rep. Brad E. Halbrook
- **2012-05-10** Added Alternate Co-Sponsor Rep. Jim Sacia
- **2012-05-10** Passed Both Houses
- **2012-06-08** Sent to the Governor `executive-receipt`
- **2012-08-02** Governor Approved `executive-signature`
- **2012-08-02** Effective Date January 1, 2013
- **2012-08-02** Public Act . . . . . . . . . 97-0883 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d3c92cdc-61f9-4998-ad2c-5df510e14827`. Confidence: reported (aggregated from official Illinois legislature records).