---
type: "Bill"
title: "MOTOR VEHICLES: Provides relative to autonomous commercial motor vehicles (EN SEE FISC NOTE SD EX See Note)"
description: "MOTOR VEHICLES: Provides relative to autonomous commercial motor vehicles (EN SEE FISC NOTE SD EX See Note)"
jurisdiction: "us/states/la"
legislature: "Louisiana Legislature"
session: "2019"
identifier: "HB 455"
citation: "Louisiana HB 455 (2019)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Terry Landry"]
version_count: 11
action_count: 24
vote_count: 3
first_action: "2019-03-29"
last_action: "2019-06-11"
source: "openstates"
source_identifier: "ocd-bill/3545e74a-4ab5-42dc-94ca-14d83836e38b"
source_url: "http://www.legis.la.gov/Legis/BillInfo.aspx?i=236276"
source_hash: "48ef64bfa43981d97eb1bce9802db5c2e18a7f29ebbba310af7ed19b2914efad"
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-la"]
---

# Louisiana HB 455 (2019) — MOTOR VEHICLES: Provides relative to autonomous commercial motor vehicles (EN SEE FISC NOTE SD EX See Note)

## Version chain

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

1. **HB455 Original** (filed) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1121717)
2. **HB455 Act 232** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1144095)
3. **HB455 Engrossed** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1131575)
4. **HB455 Reengrossed** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1137428)
5. **House Committee Amendment, #2174, THPW, Draft** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1131122)
6. **House Committee Amendment, #2212, THPW, Adopted** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1131413)
7. **House Floor Amendment, #3219, Landry, T., Adopted** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1137139)
8. **House Floor Amendment, #3222, Harris, L., Adopted** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1137174)
9. **Senate Committee Amendment, #2691, THPW, Adopted** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1138583)
10. **Senate Floor Amendment, #3169, Ward, Adopted** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1140833)
11. **HB455 Enrolled** (enrolled) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1142716)

## Votes

- FINAL PASSAGE (#884) — **37–1** (pass) · upper
- CONCUR IN SENATE AMENDMENTS (#960) — **98–0** (pass) · lower
- FINAL PASSAGE (#573) — **86–0** (pass) · lower

## Sponsors

- Terry Landry — primary (person)
- Barbara Carpenter — cosponsor (person)
- Barbara Norton — cosponsor (person)
- Cedric Glover — cosponsor (person)
- Daryl Adams — cosponsor (person)
- Dodie Horton — cosponsor (person)
- Ed Larvadain III — cosponsor (person)
- Edmond Jordan — cosponsor (person)
- Gary Carter — cosponsor (person)
- John Bagneris — cosponsor (person)
- Joseph Marino — cosponsor (person)
- Katrina Jackson — cosponsor (person)
- Malinda White — cosponsor (person)
- Mark Wright — cosponsor (person)
- Pat Moore — cosponsor (person)
- Patrick O. Jefferson — cosponsor (person)
- Polly Thomas — cosponsor (person)
- Raymond Crews — cosponsor (person)
- Robert E. Billiot — cosponsor (person)
- Royce Duplessis — cosponsor (person)
- Thomas Carmody — cosponsor (person)
- Vincent J. Pierre — cosponsor (person)

## Timeline

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

- **2019-06-11** Effective date: 08/01/2019.
- **2019-06-11** Signed by the Governor. Becomes Act No. 232. `executive-signature`
- **2019-06-05** Sent to the Governor for executive approval. `executive-receipt`
- **2019-06-05** Signed by the President of the Senate.
- **2019-06-05** Enrolled and signed by the Speaker of the House.
- **2019-06-04** Read by title, roll called, yeas 98, nays 0, Senate amendments concurred in.
- **2019-06-03** Scheduled for concurrence on 06/04/19.
- **2019-06-03** Received from the Senate with amendments.
- **2019-06-03** Rules suspended. Senate floor amendments read and adopted. Read by title, passed by a vote of 37 yeas and 1 nays, and ordered returned to the House. Motion to reconsider tabled. `passage`
- **2019-05-31** Reported without Legislative Bureau amendments. Read by title and passed to third reading and final passage.
- **2019-05-30** Rules suspended. Reported with amendments. Rules suspended. Committee amendments read and adopted. Read by title and referred to the Legislative Bureau.
- **2019-05-28** Read second time by title and referred to the Committee on Transportation, Highways and Public Works. `referral-committee`
- **2019-05-27** Received in the Senate. Read first time by title and placed on the Calendar for a second reading.
- **2019-05-23** Read third time by title, amended, roll called on final passage, yeas 86, nays 0. Finally passed, title adopted, ordered to the Senate. `passage`
- **2019-05-23** Called from the calendar.
- **2019-05-23** Read by title, returned to the calendar.
- **2019-05-21** Scheduled for floor debate on 05/23/19.
- **2019-05-21** Read by title, passed to 3rd reading.
- **2019-05-21** Discharged from the Committee on Appropriations.
- **2019-05-07** Read by title, amended, ordered engrossed, recommitted to the Committee on Appropriations.
- **2019-05-06** Reported with amendments (14-2).
- **2019-04-08** Read by title, under the rules, referred to the Committee on Transportation, Highways and Public Works. `referral-committee`
- **2019-03-29** Under the rules, provisionally referred to the Committee on Transportation, Highways and Public Works. `referral-committee`
- **2019-03-29** Prefiled. `filing`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/3545e74a-4ab5-42dc-94ca-14d83836e38b`. Confidence: reported (aggregated from official Louisiana legislature records).