---
type: "Bill"
title: "Require public notice for centerline rumble strip projects"
description: "Require public notice for centerline rumble strip projects"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2019"
identifier: "HB 580"
citation: "Montana HB 580 (2019)"
classification: ["bill"]
subjects: ["Transportation (see also: Motor Vehicles; Taxation--Transportation)"]
status: "enacted"
primary_sponsors: ["Rhonda Knudsen"]
version_count: 5
action_count: 63
vote_count: 8
first_action: "2019-01-07"
last_action: "2019-05-20"
source: "openstates"
source_identifier: "ocd-bill/5e08355b-4888-41b8-82e7-2634ae6e5d00"
source_url: "http://laws.leg.mt.gov/legprd/LAW0210W$BSIV.ActionQuery?P_BILL_NO1=580&P_BLTP_BILL_TYP_CD=HB&Z_ACTION=Find&P_SESS=20191"
source_hash: "6a87499b12467054cb380370b2b478735187dc8ad0ef6459f077e7e348b52b70"
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-mt"]
---

# Montana HB 580 (2019) — Require public notice for centerline rumble strip projects

## Version chain

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

1. **HB0580_1.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2019/HB0599//HB0580_1.pdf)
2. **HB0580_2.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2019/HB0599//HB0580_2.pdf)
3. **HB0580_3.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2019/HB0599//HB0580_3.pdf)
4. **HB0580_x.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2019/HB0599//HB0580_x.pdf)
5. **Enrolled** (enrolled) — [source](http://leg.mt.gov/bills/2019/billpdf/HB0580.pdf)

## Votes

- DO PASS AS AMENDED — **13–1** (pass) · lower
- Do Concur — **31–18** (pass) · upper
- Do Pass — **96–3** (pass) · lower
- Do Concur — **98–2** (pass) · lower
- Do Concur — **93–5** (pass) · lower
- BE CONCURRED IN AS AMENDED — **7–3** (pass) · upper
- Do Pass — **97–2** (pass) · lower
- Do Concur — **32–16** (pass) · upper

## Sponsors

- Rhonda Knudsen — primary (person)

## Timeline

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

- **2019-01-07** Draft Request Received
- **2019-01-07** Draft On Hold
- **2019-01-24** Draft Taken Off Hold
- **2019-02-14** Draft to Requester for Review
- **2019-02-15** Draft in Legal Review
- **2019-02-15** Draft in Edit
- **2019-02-15** Draft to Drafter - Edit Review [KWK]
- **2019-02-15** Draft in Input/Proofing
- **2019-02-16** Draft in Final Drafter Review
- **2019-02-16** Bill Draft Text Available Electronically
- **2019-02-16** Executive Director Review
- **2019-02-16** Draft in Assembly
- **2019-02-16** Executive Director Final Review
- **2019-02-16** Draft Ready for Delivery
- **2019-02-19** Draft Delivered to Requester
- **2019-02-20** Fiscal Note Requested
- **2019-02-20** Introduced `introduction`
- **2019-02-20** Referred to Committee `referral-committee`
- **2019-02-20** First Reading `reading-1`
- **2019-02-20** Introduced Bill Text Available Electronically
- **2019-02-22** Hearing
- **2019-02-23** Fiscal Note Received
- **2019-02-23** Fiscal Note Signed
- **2019-02-25** Fiscal Note Printed
- **2019-02-25** Committee Executive Action--Bill Passed as Amended `committee-passage`
- **2019-02-26** Committee Report--Bill Passed as Amended `committee-passage`
- **2019-02-26** Printed - New Version Available
- **2019-02-27** Scheduled for 2nd Reading
- **2019-02-27** 2nd Reading Passed `reading-2`
- **2019-02-28** Scheduled for 3rd Reading
- **2019-02-28** 3rd Reading Passed `passage, reading-3`
- **2019-02-28** Transmitted to Senate
- **2019-03-07** First Reading `reading-1`
- **2019-03-08** Referred to Committee `referral-committee`
- **2019-03-13** Revised Fiscal Note Requested
- **2019-03-14** Revised Fiscal Note Received
- **2019-03-15** Fiscal Note Unsigned
- **2019-03-18** Revised Fiscal Note Printed
- **2019-03-21** Hearing
- **2019-04-02** Committee Executive Action--Bill Concurred as Amended
- **2019-04-03** Printed - New Version Available
- **2019-04-03** Committee Report--Bill Concurred as Amended
- **2019-04-04** Scheduled for 2nd Reading
- **2019-04-04** 2nd Reading Concurred `reading-2`
- **2019-04-04** Revised Fiscal Note Requested
- **2019-04-05** Scheduled for 3rd Reading
- **2019-04-05** 3rd Reading Concurred `passage, reading-3`
- **2019-04-05** Returned to House with Amendments
- **2019-04-10** Scheduled for 2nd Reading
- **2019-04-10** 2nd Reading Senate Amendments Concurred `amendment-passage, amendment-amendment, reading-2`
- **2019-04-10** Revised Fiscal Note Received
- **2019-04-11** Revised Fiscal Note Signed
- **2019-04-11** Scheduled for 3rd Reading
- **2019-04-11** 3rd Reading Passed as Amended by Senate `passage, reading-3`
- **2019-04-11** Sent to Enrolling
- **2019-04-12** Revised Fiscal Note Printed
- **2019-04-16** Returned from Enrolling
- **2019-04-16** Printed - Enrolled Version Available
- **2019-04-26** Signed by Speaker
- **2019-04-30** Signed by President
- **2019-05-01** Transmitted to Governor `executive-receipt`
- **2019-05-10** Signed by Governor `executive-signature`
- **2019-05-20** Chapter Number Assigned

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/5e08355b-4888-41b8-82e7-2634ae6e5d00`. Confidence: reported (aggregated from official Montana legislature records).