---
type: "Bill"
title: "Montgomery County - Speed Monitoring Systems - High-Risk Highways MC 17-25"
description: "Montgomery County - Speed Monitoring Systems - High-Risk Highways MC 17-25"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2025"
identifier: "HB 1173"
citation: "Maryland HB 1173 (2025)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Montgomery County Delegation"]
version_count: 4
action_count: 19
vote_count: 3
first_action: "2025-02-06"
last_action: "2025-05-13"
source: "openstates"
source_identifier: "ocd-bill/48b37822-0dd7-4d19-a2d3-cd1218d30052"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb1173?ys=2025RS&search=True"
source_hash: "c60d1045cc0511499e19efb101cf38dcdf9a67707d197a690fc3eb2a8e6ed9b6"
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-md"]
---

# Maryland HB 1173 (2025) — Montgomery County - Speed Monitoring Systems - High-Risk Highways MC 17-25

## Version chain

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

1. **Chapter - Montgomery County - Speed Monitoring Systems - High-Risk Highways MC 17-25** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/Chapters_noln/CH_590_hb1173e.pdf)
2. **Enrolled - Montgomery County - Speed Monitoring Systems - High-Risk Highways MC 17-25** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/hb/hb1173e.pdf)
3. **First - Montgomery County - Speed Monitoring Systems - High-Risk Highways MC 17-25** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/hb/hb1173f.pdf)
4. **Third - Montgomery County - Speed Monitoring Systems - High-Risk Highways MC 17-25** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/hb/hb1173t.pdf)

## Votes

- On Third Reading (Amend) — **35–10** (pass) · upper
- On Third Reading and Final Passage (Hse concurred) — **102–35** (pass) · lower
- On Third Reading — **103–35** (pass) · lower

## Sponsors

- Montgomery County Delegation — primary (person)

## Timeline

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

- **2025-02-06** First Reading Environment and Transportation `referral-committee`
- **2025-02-26** Hearing 3/07 at 1:00 p.m.
- **2025-03-02** Hearing canceled
- **2025-03-02** Hearing 3/11 at 1:00 p.m.
- **2025-03-15** Favorable Report by Environment and Transportation `committee-passage-favorable`
- **2025-03-15** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2025-03-17** Third Reading Passed `passage`
- **2025-03-17** Referred Judicial Proceedings `referral-committee`
- **2025-03-19** Hearing 3/25 at 1:00 p.m.
- **2025-03-25** Hearing canceled
- **2025-03-25** Hearing 3/25 at 2:00 p.m.
- **2025-04-04** Favorable with Amendments Report by Judicial Proceedings `committee-passage-favorable`
- **2025-04-04** Favorable with Amendments { `committee-passage-favorable`
- **2025-04-04** Second Reading Passed with Amendments
- **2025-04-04** Third Reading Passed `passage`
- **2025-04-07** House Concurs Senate Amendments
- **2025-04-07** Third Reading Passed `passage`
- **2025-04-07** Passed Enrolled
- **2025-05-13** Approved by the Governor - Chapter 590 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/48b37822-0dd7-4d19-a2d3-cd1218d30052`. Confidence: reported (aggregated from official Maryland legislature records).