---
type: "Bill"
title: "Transit buses: yield right-of-way sign."
description: "Existing law authorizes a transit bus in the Santa Cruz Metropolitan Transit District and the Santa Clara Valley Transportation Authority to be equipped with a yield right-of-way sign on the left rear of the bus if the applicable entity approves a resolution requesting that this section be made applicable to it. Existing law requires the sign to be designed to warn a person operating a motor vehicle approaching the rear of the bus that the bus is entering traffic and be illuminated by a red flashing light when the bus is signaling in preparation for entering a traffic lane after having stopped to receive or discharge passengers."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20232024"
identifier: "AB 1904"
citation: "California AB 1904 (20232024)"
classification: ["bill"]
subjects: ["Transit buses", "yield right-of-way sign"]
status: "enacted"
primary_sponsors: ["Ward"]
version_count: 4
action_count: 15
vote_count: 4
first_action: "2024-01-23"
last_action: "2024-09-25"
source: "openstates"
source_identifier: "ocd-bill/85f99b75-5cca-4458-ad84-878d166ebf6c"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240AB1904"
source_hash: "0e3a5956d44ad72fa98491af344cf561aabf94af22acbe333e99e406bd112dea"
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 1904 (20232024) — Transit buses: yield right-of-way sign.

Existing law authorizes a transit bus in the Santa Cruz Metropolitan Transit District and the Santa Clara Valley Transportation Authority to be equipped with a yield right-of-way sign on the left rear of the bus if the applicable entity approves a resolution requesting that this section be made applicable to it. Existing law requires the sign to be designed to warn a person operating a motor vehicle approaching the rear of the bus that the bus is entering traffic and be illuminated by a red flashing light when the bus is signaling in preparation for entering a traffic lane after having stopped to receive or discharge passengers.

## Version chain

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

1. **01/23/24 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB1904&version=20230AB190499INT)
2. **09/25/24 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB1904&version=20230AB190497CHP)
3. **AB1904** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240AB1904)
4. **08/22/24 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB1904&version=20230AB190498ENR)

## Votes

- Do pass. To Consent Calendar. — **13–0** (pass) · lower
- 3rd Reading AB1904 Ward By Cortese — **32–8** (pass) · upper
- Do pass — **9–3** (pass) · upper
- AB 1904 Ward Consent Calendar Second Day — **72–0** (pass) · lower

## Sponsors

- Ward — primary (person)

## Timeline

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

- **2024-01-23** Read first time. To print. `reading-1`
- **2024-01-24** From printer. May be heard in committee February 23.
- **2024-02-05** Referred to Com. on TRANS. `referral-committee`
- **2024-03-19** From committee: Do pass. To Consent Calendar. (Ayes 13. Noes 0.) (March 19). `committee-passage, committee-passage-favorable`
- **2024-03-20** Read second time. Ordered to Consent Calendar. `reading-1, reading-2`
- **2024-04-01** Read third time. Passed. Ordered to the Senate. (Ayes 72. Noes 0. Page 4534.) `passage, reading-1, reading-3`
- **2024-04-01** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2024-05-01** Referred to Com. on TRANS. `referral-committee`
- **2024-05-29** From committee: Do pass. (Ayes 9. Noes 3.) (May 28). `committee-passage, committee-passage-favorable`
- **2024-05-30** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2024-08-20** Read third time. Passed. Ordered to the Assembly. (Ayes 31. Noes 8. Page 5223.). `passage, reading-1, reading-3`
- **2024-08-20** In Assembly. Ordered to Engrossing and Enrolling. `committee-passage`
- **2024-08-27** Enrolled and presented to the Governor at 12 p.m.
- **2024-09-25** Approved by the Governor. `executive-signature`
- **2024-09-25** Chaptered by Secretary of State - Chapter 555, 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/85f99b75-5cca-4458-ad84-878d166ebf6c`. Confidence: reported (aggregated from official California legislature records).