---
type: "Bill"
title: "Baltimore County - Vehicle Height Monitoring Systems"
description: "Baltimore County - Vehicle Height Monitoring Systems"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2020"
identifier: "SB 41"
citation: "Maryland SB 41 (2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Lam"]
version_count: 3
action_count: 15
vote_count: 2
first_action: "2019-08-23"
last_action: "2020-05-08"
source: "openstates"
source_identifier: "ocd-bill/de56a004-f435-4bd1-b195-f4bbc65c9437"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/sb0041?ys=2020RS&search=True"
source_hash: "dc15a2ee68ec8436b5d27174de8fcd20765ee89094d9c0808ead0ca8d0a7277d"
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 41 (2020) — Baltimore County - Vehicle Height Monitoring Systems

## Version chain

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

1. **Chapter - Baltimore County - Vehicle Height Monitoring Systems** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/Chapters_noln/CH_504_sb0041t.pdf)
2. **First - Baltimore County - Vehicle Height Monitoring Systems** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/bills/sb/sb0041f.pdf)
3. **Third - Baltimore County - Vehicle Height Monitoring Systems** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/bills/sb/sb0041t.pdf)

## Votes

- On Third Reading — **37–10** (pass) · upper
- On Third Reading — **126–6** (pass) · lower

## Sponsors

- Lam — primary (person)

## Timeline

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

- **2019-08-23** Pre-filed `introduction`
- **2020-01-08** First Reading Judicial Proceedings `referral-committee`
- **2020-01-03** Hearing 1/15 at 1:00 p.m.
- **2020-02-20** Favorable with Amendments Report by Judicial Proceedings `committee-passage-favorable`
- **2020-02-21** Favorable with Amendments { `committee-passage-favorable`
- **2020-02-21** Second Reading Passed with Amendments
- **2020-02-25** Third Reading Passed `passage`
- **2020-02-26** Referred Environment and Transportation `referral-committee`
- **2020-03-11** Hearing 3/19 at 1:00 p.m.
- **2020-03-15** Hearing canceled
- **2020-03-16** Favorable Report by Environment and Transportation `committee-passage-favorable`
- **2020-03-16** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2020-03-17** Third Reading Passed `passage`
- **2020-03-18** Returned Passed
- **2020-05-08** Enacted under Article II, Section 17(c) of the Maryland Constitution - Chapter 504 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/de56a004-f435-4bd1-b195-f4bbc65c9437`. Confidence: reported (aggregated from official Maryland legislature records).