republic-os/legislation/us/states/tx/87/sb-1308.md

---
type: "Bill"
title: "Relating to a study on the impacts of using certain motor vehicle technologies."
description: "Relating to a study on the impacts of using certain motor vehicle technologies."
jurisdiction: "us/states/tx"
legislature: "Texas Legislature"
session: "87"
identifier: "SB 1308"
citation: "Texas SB 1308 (87)"
classification: ["bill"]
subjects: ["PUBLIC SAFETY", "DEPARTMENT OF (V0251)", "TRANSPORTATION", "TEXAS DEPARTMENT OF (V8796)", "Vehicles & Traffic--Equipment (I0855)", "Vehicles & Traffic--General (I0865)"]
status: "enacted"
primary_sponsors: ["Blanco", "Canales"]
version_count: 5
action_count: 72
vote_count: 1
first_action: "2021-03-09"
last_action: "2021-06-18"
source: "openstates"
source_identifier: "ocd-bill/c0cee02d-e463-4e1d-8d9f-6d6a6bd692f3"
source_url: "ftp://ftp.legis.state.tx.us/bills/87R/billhistory/senate_bills/SB01300_SB01399/SB 1308.xml"
source_hash: "6001beaa68536d594af382b2cb1f65f227e4b379af3f0e56253985bef1afa1c8"
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-tx"]
---

# Texas SB 1308 (87) — Relating to a study on the impacts of using certain motor vehicle technologies.

## Version chain

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

1. **Introduced** (filed) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/SB01308I.HTM)
2. **Engrossed** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/SB01308E.HTM)
3. **House Committee Report** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/SB01308H.HTM)
4. **Senate Committee Report** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/SB01308S.HTM)
5. **Enrolled** (enrolled) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/SB01308F.HTM)

## Votes

- other — **102–37** (fail) · upper

## Sponsors

- Blanco — primary (person)
- Canales — primary (person)
- Zaffirini — cosponsor (person)

## Timeline

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

- **2021-03-09** Received by the Secretary of the Senate `filing`
- **2021-03-09** Filed `filing`
- **2021-03-18** Read first time `introduction, reading-1`
- **2021-03-18** Referred to Transportation `referral-committee`
- **2021-03-31** Scheduled for public hearing on . . .
- **2021-03-31** Considered in public hearing
- **2021-03-31** Reported favorably as substituted `committee-passage-favorable`
- **2021-03-31** Recommended for local & uncontested calendar
- **2021-03-31** Committee report printed and distributed
- **2021-04-09** Co-author authorized
- **2021-04-09** Placed on local & uncontested calendar
- **2021-04-09** Laid before the Senate
- **2021-04-09** Read 2nd time & passed to engrossment
- **2021-04-09** Vote recorded in Journal
- **2021-04-09** Three day rule suspended
- **2021-04-09** Record vote
- **2021-04-09** Read 3rd time `reading-3`
- **2021-04-09** Passed `passage`
- **2021-04-09** Record vote
- **2021-04-09** Reported engrossed
- **2021-04-12** Received from the Senate `introduction`
- **2021-04-15** Read first time `introduction, reading-1`
- **2021-04-15** Referred to Transportation `referral-committee`
- **2021-04-27** Considered in public hearing
- **2021-04-27** Testimony taken/registration(s) recorded in committee
- **2021-04-27** Left pending in committee
- **2021-05-04** Considered in public hearing
- **2021-05-04** Committee substitute considered in committee
- **2021-05-04** Recommended to be sent to Local & Consent `referral-committee`
- **2021-05-04** Reported favorably as substituted `committee-passage-favorable`
- **2021-05-12** Comte report filed with Committee Coordinator
- **2021-05-12** Committee report distributed
- **2021-05-13** Comm. report sent to Local & Consent Calendar
- **2021-05-14** Considered in Local & Consent Calendars
- **2021-05-18** Placed on Local, Consent, and Res. Calendar
- **2021-05-18** Read 2nd time `reading-2`
- **2021-05-18** Amended `amendment-passage`
- **2021-05-18** Passed to 3rd reading as amended
- **2021-05-18** Nonrecord vote recorded in Journal
- **2021-05-18** Read 3rd time `reading-3`
- **2021-05-18** Passed `passage`
- **2021-05-18** Record vote
- **2021-05-18** Statement(s) of vote recorded in Journal
- **2021-05-18** Nonrecord vote recorded in Journal
- **2021-05-19** House passage as amended reported
- **2021-05-25** House amendment(s) laid before the Senate
- **2021-05-25** Read
- **2021-05-25** Senate refuses to concur
- **2021-05-25** Senate requests conference committee
- **2021-05-25** Senate appoints conferees
- **2021-05-25** Senate refuses to concur-reported
- **2021-05-25** Senate requests conference committee-reported
- **2021-05-25** Senate appoints conferees-reported
- **2021-05-27** House grants request for conference committee
- **2021-05-27** House appoints conferees
- **2021-05-27** House grants request for conf comm-reported
- **2021-05-27** House appoints conferees-reported
- **2021-05-28** Conference committee report filed
- **2021-05-28** Conf. Comm. Report distributed
- **2021-05-29** House adopts conference committee report
- **2021-05-29** Record vote
- **2021-05-29** Statement(s) of vote recorded in Journal
- **2021-05-29** House adopts conf. comm. report-reported
- **2021-05-29** Senate adopts conference committee report
- **2021-05-29** Record vote
- **2021-05-30** Senate adopts conf. comm. report-reported
- **2021-05-31** Reported enrolled
- **2021-05-31** Signed in the House
- **2021-05-31** Signed in the Senate
- **2021-06-01** Sent to the Governor `executive-receipt`
- **2021-06-18** Filed without the Governor's signature `became-law`
- **2021-06-18** Effective immediately `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/c0cee02d-e463-4e1d-8d9f-6d6a6bd692f3`. Confidence: reported (aggregated from official Texas legislature records).