---
type: "Bill"
title: "Vehicles: highway safety."
description: "Existing law requires a driver approaching, among others, a stationary marked Caltrans vehicle that is displaying flashing lights to approach with due caution and either change lanes to a lane not immediately adjacent to the vehicle, or, if unable to safely do so, slow to a reasonable and prudent speed, as specified. Existing law makes a violation of that provision an infraction, punishable by a fine of not more than $50."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20252026"
identifier: "AB 390"
citation: "California AB 390 (20252026)"
classification: ["bill"]
subjects: ["Vehicles", "highwaysafety"]
status: "enacted"
primary_sponsors: ["Wilson"]
version_count: 6
action_count: 22
vote_count: 6
first_action: "2025-02-03"
last_action: "2025-07-28"
source: "openstates"
source_identifier: "ocd-bill/d5511cc1-c750-485b-ad7a-05ef977cb16e"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260AB390"
source_hash: "16efa8ec2add736a02ec187663fdd92fcc070da7daf576023da3eed3b22a1181"
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 390 (20252026) — Vehicles: highway safety.

Existing law requires a driver approaching, among others, a stationary marked Caltrans vehicle that is displaying flashing lights to approach with due caution and either change lanes to a lane not immediately adjacent to the vehicle, or, if unable to safely do so, slow to a reasonable and prudent speed, as specified. Existing law makes a violation of that provision an infraction, punishable by a fine of not more than $50.

## Version chain

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

1. **02/03/25 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260AB390&version=20250AB39099INT)
2. **03/11/25 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260AB390&version=20250AB39098AMD)
3. **05/20/25 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260AB390&version=20250AB39097AMD)
4. **07/28/25 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260AB390&version=20250AB39095CHP)
5. **AB390** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260AB390)
6. **07/11/25 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260AB390&version=20250AB39096ENR)

## Votes

- Do pass. — **14–0** (pass) · lower
- Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar — **13–0** (pass) · upper
- AB 390 Wilson Concurrence in Senate Amendments — **73–0** (pass) · lower
- AB 390 Wilson Assembly Third Reading — **74–0** (pass) · lower
- Consent Calendar 2nd AB390 Wilson et al. — **35–0** (pass) · upper
- Do pass and be re-referred to the Committee on [Appropriations] — **16–0** (pass) · lower

## Sponsors

- Wilson — primary (person)
- Ahrens — coauthor (person)
- Alanis — coauthor (person)
- Archuleta — coauthor (person)
- Bonta — coauthor (person)
- Caloza — coauthor (person)
- Haney — coauthor (person)
- Lackey — coauthor (person)
- McKinnor — coauthor (person)
- Niello — coauthor (person)
- Petrie-Norris — coauthor (person)
- Ransom — coauthor (person)
- Solache — coauthor (person)
- Soria — coauthor (person)

## Timeline

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

- **2025-02-03** Read first time. To print. `reading-1`
- **2025-02-04** From printer. May be heard in committee March 6.
- **2025-02-18** Referred to Com. on TRANS. `referral-committee`
- **2025-03-11** 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`
- **2025-03-12** Re-referred to Com. on TRANS. `referral-committee`
- **2025-03-25** From committee: Do pass and re-refer to Com. on APPR. (Ayes 16. Noes 0.) (March 24). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
- **2025-04-09** From committee: Do pass. (Ayes 14. Noes 0.) (April 9). `committee-passage, committee-passage-favorable`
- **2025-04-10** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2025-04-28** Read third time. Passed. Ordered to the Senate. (Ayes 74. Noes 0. Page 1313.) `passage, reading-1, reading-3`
- **2025-04-29** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2025-05-07** Referred to Com. on TRANS. `referral-committee`
- **2025-05-20** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on TRANS. `amendment-introduction, amendment-passage, reading-1, reading-2, referral-committee`
- **2025-06-10** From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 13. Noes 0.) (June 10). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
- **2025-06-19** In committee: Hearing postponed by committee.
- **2025-06-30** From committee: Be ordered to second reading file pursuant to Senate Rule 28.8 and ordered to Consent Calendar. `committee-passage, reading-2`
- **2025-07-01** Read second time. Ordered to Consent Calendar. `reading-1, reading-2`
- **2025-07-03** Read third time. Passed. Ordered to the Assembly. (Ayes 35. Noes 0. Page 1932.). `passage, reading-1, reading-3`
- **2025-07-03** In Assembly. Concurrence in Senate amendments pending.
- **2025-07-10** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 73. Noes 0. Page 2503.). `amendment-passage, committee-passage-favorable`
- **2025-07-15** Enrolled and presented to the Governor at 3:30 p.m.
- **2025-07-28** Approved by the Governor. `executive-signature`
- **2025-07-28** Chaptered by Secretary of State - Chapter 58, Statutes of 2025. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d5511cc1-c750-485b-ad7a-05ef977cb16e`. Confidence: reported (aggregated from official California legislature records).