---
type: "Bill"
title: "Vehicles: stop lights: right-of-way: yielding."
description: "Vehicles: stop lights: right-of-way: yielding."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20012002"
identifier: "AB 563"
citation: "California AB 563 (20012002)"
classification: ["bill"]
subjects: ["Vehicles: stop lights: right-of-way: yielding."]
status: "enacted"
primary_sponsors: ["Maldonado"]
version_count: 4
action_count: 15
vote_count: 4
first_action: "2001-02-21"
last_action: "2001-06-05"
source: "openstates"
source_identifier: "ocd-bill/b94fa3bc-18bc-4f6b-8805-0e03461d41cb"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200120020AB563"
source_hash: "7919187fc202844085d378fa03ea43ad305c9f238673099dbc3b20c826f296f4"
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 563 (20012002) — Vehicles: stop lights: right-of-way: yielding.

## Version chain

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

1. **02/21/01 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB563&version=20010AB56399INT)
2. **06/05/01 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB563&version=20010AB56397CHP)
3. **AB563** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200120020AB563)
4. **05/21/01 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB563&version=20010AB56398ENR)

## Votes

- Do pass and be placed on the Consent Calendar. — **pass** (pass) · upper
- AB 563 Maldonado Consent Calendar Second Day — **pass** (pass) · lower
- Do pass, to Consent Calendar. — **pass** (pass) · lower
- Consent Calendar 2nd AB563 Maldonado — **pass** (pass) · upper

## Sponsors

- Maldonado — primary (person)

## Timeline

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

- **2001-06-05** Chaptered by Secretary of State - Chapter 14, Statutes of 2001.
- **2001-06-05** Approved by the Governor. `executive-signature`
- **2001-05-24** Enrolled and to the Governor at 2:15 p.m.
- **2001-05-21** In Assembly. To enrollment.
- **2001-05-21** Read third time, passed, and to Assembly. (Ayes 39. Noes 0. Page 1157.) `passage, reading-1, reading-3`
- **2001-05-16** Read second time. To Consent Calendar. `reading-2, reading-1`
- **2001-05-15** From committee: Do pass. To Consent Calendar. `committee-passage-favorable, committee-passage`
- **2001-04-26** Referred to Standing Committee on Transportation. `referral-committee`
- **2001-04-16** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2001-04-16** Read third time, passed, and to Senate. (Ayes 78. Noes 0. Page 1021.) `passage, reading-1, reading-3`
- **2001-04-04** Read second time. To Consent Calendar. `reading-2, reading-1`
- **2001-04-03** From committee: Do pass. To Consent Calendar. (April 2). `committee-passage-favorable, committee-passage`
- **2001-03-05** Referred to Standing Committee on Transportation. `referral-committee`
- **2001-02-22** From printer. May be heard in committee March 24.
- **2001-02-21** Read first time. To print. `reading-1`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/b94fa3bc-18bc-4f6b-8805-0e03461d41cb`. Confidence: reported (aggregated from official California legislature records).