republic-os/legislation/us/states/ca/20112012/ab-348.md

---
type: "Bill"
title: "Highways: Safety Enhancement-Double Fine Zone."
description: "Existing law requires the Department of Transportation to designate a state highway segment as a Safety Enhancement-Double Fine Zone if specified conditions are met, including that the governing board of the city or county in which the segment is located has by resolution indicated that it supports the designation."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20112012"
identifier: "AB 348"
citation: "California AB 348 (20112012)"
classification: ["bill"]
subjects: ["Highways: Safety Enhancement-Double Fine Zone."]
status: "enacted"
primary_sponsors: ["Buchanan"]
version_count: 8
action_count: 24
vote_count: 5
first_action: "2011-02-10"
last_action: "2011-09-21"
source: "openstates"
source_identifier: "ocd-bill/735f32fc-36c7-4dcc-92e1-0a7bc18cc127"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201120120AB348"
source_hash: "8c8098600b66201edb39b671c6c19bf058bc08673dced931d364c4fd1add0c44"
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 348 (20112012) — Highways: Safety Enhancement-Double Fine Zone.

Existing law requires the Department of Transportation to designate a state highway segment as a Safety Enhancement-Double Fine Zone if specified conditions are met, including that the governing board of the city or county in which the segment is located has by resolution indicated that it supports the designation.

## Version chain

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

1. **02/10/11 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120AB348&version=20110AB34899INT)
2. **03/25/11 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120AB348&version=20110AB34898AMD)
3. **04/13/11 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120AB348&version=20110AB34897AMD)
4. **04/27/11 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120AB348&version=20110AB34896AMD)
5. **07/07/11 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120AB348&version=20110AB34895AMD)
6. **09/21/11 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120AB348&version=20110AB34893CHP)
7. **AB348** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201120120AB348)
8. **09/06/11 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120AB348&version=20110AB34894ENR)

## Votes

- Do pass as amended. — **6–3** (pass) · upper
- 3rd Reading AB348 Buchanan By DeSaulnier — **27–5** (pass) · upper
- AB 348 BUCHANAN Concurrence in Senate Amendments — **77–0** (pass) · lower
- Do pass as amended, to Consent Calendar. — **12–0** (pass) · lower
- AB 348 BUCHANAN Consent Calendar Second Day — **71–0** (pass) · lower

## Sponsors

- Buchanan — primary (person)
- Bonilla — coauthor (person)
- DeSaulnier — coauthor (person)
- Hancock — coauthor (person)

## Timeline

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

- **2011-02-10** Read first time. To print. `reading-1`
- **2011-02-11** From printer. May be heard in committee March 13.
- **2011-03-25** Referred to Com. on TRANS. `referral-committee`
- **2011-03-25** From committee chair, with author's amendments: Amend, and re-refer to Com. on TRANS. Read second time and amended. `reading-2, amendment-introduction, reading-1, amendment-passage`
- **2011-03-29** Re-referred to Com. on TRANS. `referral-committee`
- **2011-04-13** From committee chair, with author's amendments: Amend, and re-refer to Com. on TRANS. Read second time and amended. `reading-2, amendment-introduction, reading-1, amendment-passage`
- **2011-04-14** Re-referred to Com. on TRANS. `referral-committee`
- **2011-04-26** From committee: Do pass as amended. To consent calendar. (Ayes 12. Noes 0.) (April 25). `amendment-passage, committee-passage, committee-passage-favorable`
- **2011-04-27** Read second time and amended. Ordered to second reading. `reading-2, reading-1, amendment-passage`
- **2011-04-28** Read second time. Ordered to consent calendar. `reading-2, reading-1`
- **2011-05-05** Read third time. Passed. Ordered to the Senate. (Ayes 71. Noes 0. Page 1242.) `reading-3, reading-1, passage`
- **2011-05-05** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2011-05-19** Referred to Com. on T. & H. `referral-committee`
- **2011-07-06** From committee: Do pass as amended. (Ayes 6. Noes 3.) (July 5). `amendment-passage, committee-passage, committee-passage-favorable`
- **2011-07-07** Read second time and amended. Ordered to third reading. `reading-2, reading-1, amendment-passage`
- **2011-07-11** Re-referred to Com. on APPR. pursuant to Joint Rule 10.5. `referral-committee`
- **2011-08-15** From committee: Be placed on second reading file pursuant to Senate Rule 28.8. `committee-passage`
- **2011-08-16** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2011-08-29** Read third time. Passed. Ordered to the Assembly. (Ayes 27. Noes 5. Page 2080.). `reading-3, reading-1, passage`
- **2011-08-29** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 31 pursuant to Assembly Rule 77.
- **2011-08-31** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 77. Noes 0. Page 2720.). `committee-passage-favorable, amendment-passage`
- **2011-09-07** Enrolled and presented to the Governor at 3:30 p.m.
- **2011-09-20** Approved by the Governor. `executive-signature`
- **2011-09-21** Chaptered by Secretary of State - Chapter 290, Statutes of 2011.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/735f32fc-36c7-4dcc-92e1-0a7bc18cc127`. Confidence: reported (aggregated from official California legislature records).