republic-os/legislation/us/states/ca/20112012/ab-529.md

type, title, description, jurisdiction, legislature, session, identifier, citation, classification, subjects, status, primary_sponsors, version_count, action_count, vote_count, first_action, last_action, source, source_identifier, source_url, source_hash, vintage, source_snapshot, retrieved_at, confidence, tags

type	title	description	jurisdiction	legislature	session	identifier	citation	classification	subjects	status	primary_sponsors	version_count	action_count	vote_count	first_action	last_action	source	source_identifier	source_url	source_hash	vintage	source_snapshot	retrieved_at	confidence	tags
Bill	Vehicles: speed limits: downward speed zoning.	(1) Existing law requires the Department of Transportation, after consultation with local agencies and public hearings, to adopt rules and regulations prescribing uniform standards and specifications for all official traffic control devices and setting of speed limits. Existing law makes it a crime for a driver to fail to obey a sign or signal, defined as regulatory in the California Manual on Uniform Traffic Control Devices (Manual) , or a Department of Transportation-approved supplement to that manual.	us/states/ca	California Legislature	20112012	AB 529	California AB 529 (20112012)	bill	Vehicles: speed limits: downward speed zoning.	enacted	Gatto	9	34	7	2011-02-15	2011-10-07	openstates	ocd-bill/619e790e-8d68-4e90-a576-5a1bd4393557	http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201120120AB529	db4bad170c74aeed7074587f8c42bb80420ed3856270f231fbfa7d923e625c96	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-ca

California AB 529 (20112012) — Vehicles: speed limits: downward speed zoning.

(1) Existing law requires the Department of Transportation, after consultation with local agencies and public hearings, to adopt rules and regulations prescribing uniform standards and specifications for all official traffic control devices and setting of speed limits. Existing law makes it a crime for a driver to fail to obey a sign or signal, defined as regulatory in the California Manual on Uniform Traffic Control Devices (Manual) , or a Department of Transportation-approved supplement to that manual.

Version chain

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

1. 02/15/11 - Introduced (filed) — source
2. 03/24/11 - Amended Assembly (committee substitute) — source
3. 05/03/11 - Amended Assembly (committee substitute) — source
4. 06/16/11 - Amended Senate (committee substitute) — source
5. 07/11/11 - Amended Senate (committee substitute) — source
6. 08/18/11 - Amended Senate (committee substitute) — source
7. 10/07/11 - Chaptered (committee substitute) — source
8. AB529 (committee substitute) — source
9. 09/08/11 - Enrolled (enrolled) — source

Votes

• Do pass and be re-referred to the Committee on Appropriations. — 9–0 (pass) · lower
• Do pass and be re-referred to the Committee on Local Government. — 13–0 (pass) · lower
• AB 529 GATTO Assembly Third Reading — 77–0 (pass) · lower
• Do pass as amended, and re-refer to the Committee on Appropriations. — 8–0 (pass) · upper
• 3rd Reading AB529 Gatto By Lowenthal — 37–0 (pass) · upper
• Do pass. — 16–0 (pass) · lower
• AB 529 GATTO Concurrence in Senate Amendments — 76–0 (pass) · lower

Sponsors

• Gatto — primary (person)
• Achadjian — coauthor (person)
• Smyth — coauthor (person)
• Williams — coauthor (person)

Timeline

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

• 2011-02-15 Read first time. To print. reading-1
• 2011-02-16 From printer. May be heard in committee March 18.
• 2011-03-03 Referred to Coms. on TRANS. and L. GOV. referral-committee
• 2011-03-21 In committee: Set, first hearing. Hearing canceled at the request of author.
• 2011-03-24 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
• 2011-03-25 Re-referred to Com. on TRANS. referral-committee
• 2011-04-04 In committee: Set, second hearing. Hearing canceled at the request of author.
• 2011-04-12 From committee: Do pass and re-refer to Com. on L. GOV. (Ayes 13. Noes 0.) (April 11). Re-referred to Com. on L. GOV. referral-committee, committee-passage, committee-passage-favorable
• 2011-04-28 From committee: Do pass and re-refer to Com. on APPR. (Ayes 9. Noes 0.) (April 27). Re-referred to Com. on APPR. referral-committee, committee-passage, committee-passage-favorable
• 2011-05-03 From committee chair, with author's amendments: Amend, and re-refer to Com. on APPR. Read second time and amended. reading-2, amendment-introduction, reading-1, amendment-passage
• 2011-05-04 Re-referred to Com. on APPR. referral-committee
• 2011-05-06 Measure version as amended on May 3 corrected. amendment-passage
• 2011-05-12 From committee: Do pass. (Ayes 16. Noes 0.) (May 11). committee-passage, committee-passage-favorable
• 2011-05-16 Read second time. Ordered to third reading. reading-2, reading-1
• 2011-05-19 Read third time. Passed. Ordered to the Senate. (Ayes 77. Noes 0. Page 1445.) reading-3, reading-1, passage
• 2011-05-19 In Senate. Read first time. To Com. on RLS. for assignment. reading-1
• 2011-06-02 Referred to Com. on T. & H. referral-committee
• 2011-06-15 From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 8. Noes 0.) (June 14). amendment-passage, committee-passage, committee-passage-favorable
• 2011-06-16 Read second time and amended. Re-referred to Com. on APPR. reading-2, reading-1, amendment-passage, referral-committee
• 2011-06-27 From committee: Be placed on second reading file pursuant to Senate Rule 28.8. committee-passage
• 2011-06-28 Read second time. Ordered to third reading. reading-2, reading-1
• 2011-07-06 Ordered to special consent calendar.
• 2011-07-11 From Special Consent Calendar pursuant to Joint Rule 22.2.
• 2011-07-11 Ordered to third reading.
• 2011-07-11 Read third time and amended. Ordered to second reading. reading-3, reading-1, amendment-passage
• 2011-07-12 Read second time. Ordered to third reading. reading-2, reading-1
• 2011-08-18 Read third time and amended. Ordered to second reading. reading-3, reading-1, amendment-passage
• 2011-08-22 Read second time. Ordered to third reading. reading-2, reading-1
• 2011-08-30 Read third time. Passed. Ordered to the Assembly. (Ayes 37. Noes 0. Page 2128.). reading-3, reading-1, passage
• 2011-08-31 In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 2 pursuant to Assembly Rule 77.
• 2011-09-02 Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 76. Noes 0. Page 2838.). committee-passage-favorable, amendment-passage
• 2011-09-13 Enrolled and presented to the Governor at 11 a.m.
• 2011-10-07 Approved by the Governor. executive-signature
• 2011-10-07 Chaptered by Secretary of State - Chapter 528, Statutes of 2011.

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/619e790e-8d68-4e90-a576-5a1bd4393557. Confidence: reported (aggregated from official California legislature records).