republic-os/legislation/us/states/ca/20072008/ab-1728.md

---
type: "Bill"
title: "Vehicles."
description: "Vehicles."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20072008"
identifier: "AB 1728"
citation: "California AB 1728 (20072008)"
classification: ["bill"]
subjects: ["Vehicles."]
status: "enacted"
primary_sponsors: ["Committee on Transportation"]
version_count: 7
action_count: 22
vote_count: 6
first_action: "2007-03-08"
last_action: "2007-10-13"
source: "openstates"
source_identifier: "ocd-bill/1e1d17f1-b6dd-4fa0-b791-3d47fd09483a"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200720080AB1728"
source_hash: "2a3da843b96c579418db5fa055a84a2851f4194a98b57234598b524e265a7a3d"
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-ca"]
---

# California AB 1728 (20072008) — Vehicles.

## Version chain

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

1. **03/08/07 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1728&version=20070AB172899INT)
2. **07/02/07 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1728&version=20070AB172898AMD)
3. **07/17/07 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1728&version=20070AB172897AMD)
4. **08/28/07 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1728&version=20070AB172896AMD)
5. **10/13/07 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1728&version=20070AB172894CHP)
6. **AB1728** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200720080AB1728)
7. **09/26/07 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1728&version=20070AB172895ENR)

## Votes

- AB 1728 TRANS. Concurrence in Senate Amendments By NAVA — **pass** (pass) · lower
- AB 1728 TRANS. Consent Calendar Second Day Regular Session — **pass** (pass) · lower
- Do pass, but re-refer to the Committee on Appropriations Recommend Consent. — **pass** (pass) · upper
- Do pass, to Consent Calendar. — **pass** (pass) · lower
- Assembly 3rd Reading AB1728 Committee on TRANS. (Nava) By Lowenthal — **pass** (pass) · upper
- Do pass and re-refer to Committee on Appropriations with recommendation: To Consent Calendar. — **pass** (pass) · lower

## Sponsors

- Committee on Transportation — primary (person)

## Timeline

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

- **2007-03-08** Read first time. To print. `reading-1`
- **2007-03-09** From printer. May be heard in committee April 8.
- **2007-03-29** Referred to Standing Committee on Transportation. `referral-committee`
- **2007-04-24** From committee: Do pass, and re-refer to Standing Committee on Appropriations with recommendation: To Consent Calendar. Re-referred. (Ayes 12. Noes 0.) (April 23). `committee-passage, committee-passage-favorable, referral-committee`
- **2007-05-03** From committee: Do pass. To Consent Calendar. (May 2). `committee-passage, committee-passage-favorable`
- **2007-05-07** Read second time. To Consent Calendar. `reading-1, reading-2`
- **2007-05-10** Read third time, passed, and to Senate. (Ayes 72. Noes 0. Page 1438.) `passage, reading-1, reading-3`
- **2007-05-10** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2007-05-17** Referred to Standing Committee on Transportation and Housing. `referral-committee`
- **2007-07-02** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Transportation and Housing. `reading-1, reading-2, amendment-introduction, referral-committee, amendment-passage`
- **2007-07-11** From committee: Do pass, and re-refer to Standing Committee on Appropriations with recommendation: To Consent Calendar. Re-referred. (Ayes 11. Noes 0.) . `committee-passage, committee-passage-favorable, referral-committee`
- **2007-07-17** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Appropriations. `reading-1, reading-2, amendment-introduction, referral-committee, amendment-passage`
- **2007-07-20** From committee: Be placed on second reading file pursuant to Senate Rule 28.8. `committee-passage`
- **2007-07-25** Read second time. To third reading. `reading-1, reading-2`
- **2007-08-28** Read third time, amended. To second reading. `reading-1, reading-3, amendment-passage`
- **2007-08-29** Read second time. To third reading. `reading-1, reading-2`
- **2007-09-11** Read third time, passed, and to Assembly. (Ayes 40. Noes 0. Page 2553.) `passage, reading-1, reading-3`
- **2007-09-11** In Assembly. Concurrence in Senate amendments pending.
- **2007-09-12** Senate amendments concurred in. To enrollment. (Ayes 77. Noes 0. Page 3393.) `committee-passage-favorable, amendment-passage`
- **2007-10-01** Enrolled and to the Governor at 3:45 p.m.
- **2007-10-13** Approved by the Governor. `executive-signature`
- **2007-10-13** Chaptered by Secretary of State - Chapter 630, Statutes of 2007.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/1e1d17f1-b6dd-4fa0-b791-3d47fd09483a`. Confidence: reported (aggregated from official California legislature records).