republic-os/legislation/us/states/ca/20232024/ab-1978.md

---
type: "Bill"
title: "Vehicles: speed contests."
description: "(1) Existing law prohibits a person from engaging in a motor vehicle speed contest or exhibition of speed on a highway or in an offstreet parking facility. Existing law also prohibits a person from obstructing or placing a barricade or obstruction upon a highway or in an offstreet parking facility for the purpose of facilitating or aiding any motor vehicle speed contest or exhibition, as specified."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20232024"
identifier: "AB 1978"
citation: "California AB 1978 (20232024)"
classification: ["bill"]
subjects: ["Vehicles", "speed contests"]
status: "enacted"
primary_sponsors: ["Sanchez"]
version_count: 7
action_count: 37
vote_count: 9
first_action: "2024-01-30"
last_action: "2024-09-23"
source: "openstates"
source_identifier: "ocd-bill/e187a907-f738-4903-b17a-3df25d7ffc30"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240AB1978"
source_hash: "f6d0cc903ca1d32be349744aeb20533262aa5cdcff6395526293679886ca4be3"
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 1978 (20232024) — Vehicles: speed contests.

(1) Existing law prohibits a person from engaging in a motor vehicle speed contest or exhibition of speed on a highway or in an offstreet parking facility. Existing law also prohibits a person from obstructing or placing a barricade or obstruction upon a highway or in an offstreet parking facility for the purpose of facilitating or aiding any motor vehicle speed contest or exhibition, as specified.

## Version chain

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

1. **01/30/24 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB1978&version=20230AB197899INT)
2. **04/15/24 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB1978&version=20230AB197898AMD)
3. **06/12/24 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB1978&version=20230AB197897AMD)
4. **08/23/24 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB1978&version=20230AB197896AMD)
5. **09/23/24 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB1978&version=20230AB197894CHP)
6. **AB1978** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240AB1978)
7. **09/05/24 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB1978&version=20230AB197895ENR)

## Votes

- 3rd Reading AB1978 Sanchez By Wilk — **37–2** (pass) · upper
- Do pass, but first be re-referred to the Committee on [Appropriations] — **4–0** (pass) · upper
- 3rd Reading AB1978 Sanchez By Wilk — **33–0** (pass) · upper
- Do pass and be re-referred to the Committee on [Transportation] — **5–0** (pass) · lower
- Do pass, but first be re-referred to the Committee on [Public Safety] with the recommendation: To Consent Calendar — **15–0** (pass) · upper
- AB 1978 Vince Fong Assembly Third Reading — **65–0** (pass) · lower
- Do pass and be re-referred to the Committee on [Appropriations] — **15–0** (pass) · lower
- AB 1978 Sanchez Concurrence in Senate Amendments — **72–0** (pass) · lower
- Do pass. To Consent Calendar. — **14–0** (pass) · lower

## Sponsors

- Sanchez — primary (person)

## Timeline

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

- **2024-01-30** Read first time. To print. `reading-1`
- **2024-01-31** From printer. May be heard in committee March 1.
- **2024-02-20** Referred to Coms. on PUB. S. and TRANS. `referral-committee`
- **2024-03-04** In committee: Set, first hearing. Hearing canceled at the request of author.
- **2024-03-14** In committee: Set, second hearing. Hearing canceled at the request of author.
- **2024-04-03** From committee: Do pass and re-refer to Com. on TRANS. (Ayes 5. Noes 0.) (April 2). Re-referred to Com. on TRANS. `committee-passage, committee-passage-favorable, referral-committee`
- **2024-04-15** From committee chair, with author's amendments: Amend, and re-refer to Com. on TRANS. Read second time and amended. `amendment-introduction, amendment-passage, reading-1, reading-2`
- **2024-04-16** Re-referred to Com. on TRANS. `referral-committee`
- **2024-04-23** From committee: Do pass and re-refer to Com. on APPR. (Ayes 15. Noes 0.) (April 22). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
- **2024-05-01** From committee: Do pass. To Consent Calendar. (Ayes 14. Noes 0.) (May 1). `committee-passage, committee-passage-favorable`
- **2024-05-02** Read second time. Ordered to Consent Calendar. `reading-1, reading-2`
- **2024-05-06** From Consent Calendar.
- **2024-05-06** Ordered to third reading.
- **2024-05-21** Coauthors revised.
- **2024-05-21** Read third time. Passed. Ordered to the Senate. (Ayes 65. Noes 0. Page 5348.) `passage, reading-1, reading-3`
- **2024-05-22** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2024-05-29** Referred to Com. on RLS. `referral-committee`
- **2024-06-12** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on RLS. `amendment-introduction, amendment-passage, reading-1, reading-2, referral-committee`
- **2024-06-19** Re-referred to Coms. on TRANS. and PUB S. `referral-committee`
- **2024-06-26** From committee: Do pass and re-refer to Com. on PUB S. with recommendation: To Consent Calendar. (Ayes 15. Noes 0.) (June 25). Re-referred to Com. on PUB S. `committee-passage, committee-passage-favorable, referral-committee`
- **2024-07-02** From committee: Do pass and re-refer to Com. on APPR. (Ayes 4. Noes 0.) (July 2). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
- **2024-08-05** From committee: Be ordered to second reading pursuant to Senate Rule 28.8. `committee-passage, reading-2`
- **2024-08-06** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2024-08-22** Read third time. Passed. Ordered to the Assembly. (Ayes 33. Noes 0. Page 5292.). `passage, reading-1, reading-3`
- **2024-08-22** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 25 pursuant to Assembly Rule 77.
- **2024-08-22** Ordered to the Senate.
- **2024-08-22** In Senate. Held at Desk.
- **2024-08-23** Action rescinded whereby the bill was read third time, passed, and to Assembly. `passage, reading-3`
- **2024-08-23** Ordered to third reading.
- **2024-08-23** Read third time and amended. Ordered to second reading. `amendment-passage, reading-1, reading-3`
- **2024-08-26** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2024-08-30** Read third time. Passed. Ordered to the Assembly. (Ayes 37. Noes 2.). `passage, reading-1, reading-3`
- **2024-08-31** In Assembly. Concurrence in Senate amendments pending.
- **2024-08-31** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 72. Noes 0.). `amendment-passage, committee-passage-favorable`
- **2024-09-12** Enrolled and presented to the Governor at 4 p.m.
- **2024-09-23** Approved by the Governor. `executive-signature`
- **2024-09-23** Chaptered by Secretary of State - Chapter 501, Statutes of 2024. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/e187a907-f738-4903-b17a-3df25d7ffc30`. Confidence: reported (aggregated from official California legislature records).