---
type: "Bill"
title: "Motor Vehicles - Speed Monitoring Systems - Statements and Certificates of Violations"
description: "Motor Vehicles - Speed Monitoring Systems - Statements and Certificates of Violations"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2025"
identifier: "HB 343"
citation: "Maryland HB 343 (2025)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Stewart"]
version_count: 3
action_count: 13
vote_count: 2
first_action: "2025-01-13"
last_action: "2025-05-13"
source: "openstates"
source_identifier: "ocd-bill/2e906f12-654f-48d8-ba46-a8a94ff2bbdb"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0343?ys=2025RS&search=True"
source_hash: "363cf2cea7db86143ae89369e9398c558f2de4354ec7bcadd9e897ff6b6a7900"
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 343 (2025) — Motor Vehicles - Speed Monitoring Systems - Statements and Certificates of Violations

## Version chain

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

1. **Chapter - Motor Vehicles - Speed Monitoring Systems - Statements and Certificates of Violations** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/Chapters_noln/CH_467_hb0343t.pdf)
2. **First - Motor Vehicles - Speed Monitoring Systems - Statements and Certificates of Violations** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/hb/hb0343f.pdf)
3. **Third - Motor Vehicles - Speed Monitoring Systems - Statements and Certificates of Violations** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/hb/hb0343t.pdf)

## Votes

- On Third Reading — **105–34** (pass) · lower
- On Third Reading — **36–11** (pass) · upper

## Sponsors

- Stewart — primary (person)

## Timeline

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

- **2025-01-13** First Reading Environment and Transportation `referral-committee`
- **2025-01-29** Hearing 2/21 at 1:00 p.m.
- **2025-03-12** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2025-03-13** Favorable with Amendments { `committee-passage-favorable`
- **2025-03-13** Second Reading Passed with Amendments
- **2025-03-13** Third Reading Passed `passage`
- **2025-03-17** Referred Judicial Proceedings `referral-committee`
- **2025-03-26** Favorable Report by Judicial Proceedings `committee-passage-favorable`
- **2025-03-26** Favorable Adopted `committee-passage-favorable`
- **2025-03-26** Second Reading Passed
- **2025-04-02** Third Reading Passed `passage`
- **2025-04-02** Returned Passed
- **2025-05-13** Approved by the Governor - Chapter 467 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2e906f12-654f-48d8-ba46-a8a94ff2bbdb`. Confidence: reported (aggregated from official Maryland legislature records).