---
type: "Bill"
title: "Mississippi Transportation Commission; authorize to require its contractors to provide work zone safety operations."
description: "Mississippi Transportation Commission; authorize to require its contractors to provide work zone safety operations."
jurisdiction: "us/states/ms"
legislature: "Mississippi Legislature"
session: "2019"
identifier: "HB 580"
citation: "Mississippi HB 580 (2019)"
classification: ["bill"]
subjects: ["Transportation", "Highways and Transportation"]
status: "enacted"
primary_sponsors: ["Baker"]
version_count: 5
action_count: 13
vote_count: 3
first_action: "2019-01-16T06:00:00+00:00"
last_action: "2019-03-21T05:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/6594503a-b93f-42d7-9d3c-a7f0cb7da70f"
source_url: "http://billstatus.ls.state.ms.us/2019/pdf/House_authors/Baker.xml"
source_hash: "8024a8e04e737787b0a298cca8b34fb551476685599eacae6b2513e7acd293f8"
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-ms"]
---

# Mississippi HB 580 (2019) — Mississippi Transportation Commission; authorize to require its contractors to provide work zone safety operations.

## Version chain

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

1. **As Introduced** (filed) — [source](http://billstatus.ls.state.ms.us/documents/2019/html/HB/0500-0599/HB0580IN.htm)
2. **Amendment No 1 (Adopted) (Voice Vote)** (committee substitute) — [source](http://billstatus.ls.state.ms.us/documents/2019/pdf/sam/HB0580_S_Amend_01.pdf)
3. **Amendment Report for House Bill No. 580** (committee substitute) — [source](http://billstatus.ls.state.ms.us/documents/2019/pdf/sam/Amendment_Report_for_HB0580.pdf)
4. **As Passed the lower** (committee substitute) — [source](http://billstatus.ls.state.ms.us/documents/2019/html/HB/0500-0599/HB0580PS.htm)
5. **Current version** (committee substitute) — [source](http://billstatus.ls.state.ms.us/documents/2019/html/HB/0500-0599/HB0580SG.htm)

## Votes

- Passage — **112–3** (pass) · lower
- Passage as Amended — **52–0** (pass) · upper
- Concurrence in Amendment From Senate — **111–1** (pass) · lower

## Sponsors

- Baker — primary (person)
- Gibbs_(72nd) — cosponsor (person)
- Hale — cosponsor (person)
- Sykes — cosponsor (person)
- Wilkes — cosponsor (person)

## Timeline

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

- **2019-01-16T06:00:00+00:00** Referred To Transportation `referral-committee`
- **2019-01-30T06:00:00+00:00** Title Suff Do Pass `committee-passage`
- **2019-02-06T06:00:00+00:00** Passed `passage`
- **2019-02-07T06:00:00+00:00** Transmitted To Senate `introduction`
- **2019-02-25T06:00:00+00:00** Referred To Highways and Transportation `referral-committee`
- **2019-03-05T06:00:00+00:00** Title Suff Do Pass `committee-passage`
- **2019-03-06T06:00:00+00:00** Amended `amendment-passage`
- **2019-03-06T06:00:00+00:00** Passed As Amended `passage`
- **2019-03-07T06:00:00+00:00** Returned For Concurrence
- **2019-03-12T05:00:00+00:00** Concurred in Amend From Senate
- **2019-03-15T05:00:00+00:00** Enrolled Bill Signed
- **2019-03-15T05:00:00+00:00** Enrolled Bill Signed
- **2019-03-21T05:00:00+00:00** Approved by Governor `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/6594503a-b93f-42d7-9d3c-a7f0cb7da70f`. Confidence: reported (aggregated from official Mississippi legislature records).