---
type: "Bill"
title: "Public Safety - Automatic License Plate Readers - Captured Plate Data Storage and Upload"
description: "Public Safety - Automatic License Plate Readers - Captured Plate Data Storage and Upload"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2024"
identifier: "SB 840"
citation: "Maryland SB 840 (2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Sydnor"]
version_count: 4
action_count: 20
vote_count: 3
first_action: "2024-02-02"
last_action: "2024-05-16"
source: "openstates"
source_identifier: "ocd-bill/44353c61-0699-4b50-917e-1e7cc59e380d"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/sb0840?ys=2024RS&search=True"
source_hash: "58a74beb6d743cdd81c7db11025427ec3ab2254060dc79ed3ef22af0b5637dbc"
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 SB 840 (2024) — Public Safety - Automatic License Plate Readers - Captured Plate Data Storage and Upload

## Version chain

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

1. **Chapter - Public Safety - Automatic License Plate Readers - Captured Plate Data Storage and Upload** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/Chapters_noln/CH_876_sb0840e.pdf)
2. **Enrolled - Public Safety - Automatic License Plate Readers - Captured Plate Data Storage and Upload** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/bills/sb/sb0840e.pdf)
3. **First - Public Safety - Automatic License Plate Readers - Captured Plate Data** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/bills/sb/sb0840f.pdf)
4. **Third - Public Safety - Automatic License Plate Readers - Captured Plate Data Storage and Upload** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/bills/sb/sb0840t.pdf)

## Votes

- Bill is on Third Reading for Final Passage. — **47–0** (pass) · upper
- On Third Reading (Amend) — **119–16** (pass) · lower
- On Third Reading — **45–0** (pass) · upper

## Sponsors

- Sydnor — primary (person)

## Timeline

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

- **2024-02-02** First Reading Judicial Proceedings `referral-committee`
- **2024-02-02** Hearing 2/28 at 1:00 p.m.
- **2024-03-13** Favorable with Amendments Report by Judicial Proceedings `committee-passage-favorable`
- **2024-03-14** Favorable with Amendments { `committee-passage-favorable`
- **2024-03-14** Committee Amendment Adopted
- **2024-03-14** Motion Special Order until Later Today (Senator Kagan) Adopted
- **2024-03-14** Favorable with Amendments Adopted `committee-passage-favorable`
- **2024-03-14** Floor Amendment {
- **2024-03-14** Second Reading Passed with Amendments
- **2024-03-15** Third Reading Passed `passage`
- **2024-03-16** Referred Judiciary `referral-committee`
- **2024-03-20** Hearing 4/01 at 1:00 p.m.
- **2024-04-03** Favorable with Amendments Report by Judiciary `committee-passage-favorable`
- **2024-04-03** Favorable with Amendments { `committee-passage-favorable`
- **2024-04-03** Second Reading Passed with Amendments
- **2024-04-04** Third Reading Passed `passage`
- **2024-04-08** Senate Concurs House Amendments
- **2024-04-08** Third Reading Passed `passage`
- **2024-04-08** Passed Enrolled
- **2024-05-16** Approved by the Governor - Chapter 876 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/44353c61-0699-4b50-917e-1e7cc59e380d`. Confidence: reported (aggregated from official Maryland legislature records).