---
type: "Bill"
title: "TRANSPORTATION-TECH"
description: "Amends the Illinois Vehicle Code. Makes a technical change in a Section concerning definitions."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "99th"
identifier: "HB 1666"
citation: "Illinois HB 1666 (99th)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 34
vote_count: 2
first_action: "2015-02-10"
last_action: "2015-07-20"
source: "openstates"
source_identifier: "ocd-bill/a2f63966-0ae0-4c96-863f-3b282ec944e2"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=1666&GAID=13&DocTypeID=HB&LegId=86812&SessionID=88&GA=99"
source_hash: "d2219be8c8ec3d6079cd60f076b6905ed09b53341b685142f9dc48b43453bd45"
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 HB 1666 (99th) — TRANSPORTATION-TECH

Amends the Illinois Vehicle Code. Makes a technical change in a Section concerning definitions.

## 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=09900HB1666&GA=99&SessionId=88&DocTypeId=HB&LegID=86812&DocNum=1666&GAID=13&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09900HB1666eng&GA=99&SessionId=88&DocTypeId=HB&LegID=86812&DocNum=1666&GAID=13&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09900HB1666enr&GA=99&SessionId=88&DocTypeId=HB&LegID=86812&DocNum=1666&GAID=13&Session=&print=true)

## Votes

- Third Reading — **55–0** (pass) · upper
- Third Reading — **110–0** (pass) · lower

## Sponsors

- Michael D. Unes — primary (person)

## Timeline

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

- **2015-02-10** Filed with the Clerk by Rep. Jim Durkin `filing`
- **2015-02-17** First Reading `reading-1`
- **2015-02-17** Referred to Rules Committee `referral-committee`
- **2015-02-17** Assigned to Executive Committee `referral-committee`
- **2015-03-27** Committee Deadline Extended-Rule 9(b) April 30, 2015
- **2015-04-14** Do Pass / Short Debate Executive Committee; 011-000-000 `committee-passage`
- **2015-04-14** Placed on Calendar 2nd Reading - Short Debate **
- **2015-04-15** Chief Sponsor Changed to Rep. Michael D. Unes
- **2015-04-15** Added Chief Co-Sponsor Rep. Daniel V. Beiser
- **2015-04-15** House Floor Amendment No. 1 Filed with Clerk by Rep. Michael D. Unes `amendment-introduction`
- **2015-04-15** House Floor Amendment No. 1 Referred to Rules Committee `referral-committee`
- **2015-04-15** Placed on Calendar 2nd Reading - Short Debate
- **2015-04-16** House Floor Amendment No. 1 Rules Refers to Transportation: Vehicles & Safety Committee
- **2015-04-17** House Floor Amendment No. 1 Recommends Be Adopted Transportation: Vehicles & Safety Committee; 009-000-000 `committee-passage-favorable`
- **2015-04-20** Second Reading - Short Debate `reading-2`
- **2015-04-20** House Floor Amendment No. 1 Adopted `amendment-passage`
- **2015-04-20** Placed on Calendar Order of 3rd Reading - Short Debate
- **2015-04-21** Third Reading - Short Debate - Passed 110-000-000 `reading-3, passage`
- **2015-04-22** Arrive in Senate `introduction`
- **2015-04-22** Placed on Calendar Order of First Reading April 23, 2015 `reading-1`
- **2015-04-28** Chief Senate Sponsor Sen. Pat McGuire
- **2015-04-29** First Reading `reading-1`
- **2015-04-29** Referred to Assignments `referral-committee`
- **2015-04-29** Assigned to Transportation `referral-committee`
- **2015-05-06** Do Pass Transportation; 020-000-000 `committee-passage`
- **2015-05-06** Placed on Calendar Order of 2nd Reading May 7, 2015
- **2015-05-14** Second Reading `reading-2`
- **2015-05-14** Placed on Calendar Order of 3rd Reading May 18, 2015
- **2015-05-19** Third Reading - Passed; 055-000-000 `reading-3, passage`
- **2015-05-19** Passed Both Houses
- **2015-06-17** Sent to the Governor `executive-receipt`
- **2015-07-20** Governor Approved `executive-signature`
- **2015-07-20** Effective Date January 1, 2016
- **2015-07-20** Public Act . . . . . . . . . 99-0068 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/a2f63966-0ae0-4c96-863f-3b282ec944e2`. Confidence: reported (aggregated from official Illinois legislature records).