---
type: "Bill"
title: "Vehicle Laws – HOV Lanes – Plug–In Electric Drive Vehicles"
description: "Vehicle Laws – HOV Lanes – Plug–In Electric Drive Vehicles"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2023"
identifier: "HB 123"
citation: "Maryland HB 123 (2023)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Fraser-Hidalgo"]
version_count: 4
action_count: 20
vote_count: 0
first_action: "2022-09-28"
last_action: "2023-04-24"
source: "openstates"
source_identifier: "ocd-bill/38f56d2a-ba63-4a54-885c-de171e3a001e"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0123?ys=2023RS&search=True"
source_hash: "3e1c6beee78315f177022a440f8e61d4b6d33feec3cc585643afc0f2e6fa9b7e"
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 123 (2023) — Vehicle Laws – HOV Lanes – Plug–In Electric Drive Vehicles

## Version chain

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

1. **Chapter - Vehicle Laws – HOV Lanes – Plug–In Electric Drive Vehicles** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/Chapters_noln/CH_121_hb0123e.pdf)
2. **Enrolled - Vehicle Laws – HOV Lanes – Plug–In Electric Drive Vehicles** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0123e.pdf)
3. **First - Vehicle Laws – HOV Lanes – Plug–In Electric Drive Vehicles** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0123f.pdf)
4. **Third - Vehicle Laws – HOV Lanes – Plug–In Electric Drive Vehicles** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0123t.pdf)

## Sponsors

- Fraser-Hidalgo — primary (person)

## Timeline

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

- **2022-09-28** Pre-filed `introduction`
- **2023-01-11** First Reading Environment and Transportation `referral-committee`
- **2023-01-19** Hearing 2/02 at 1:00 p.m.
- **2023-02-27** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2023-02-28** Favorable with Amendments { `committee-passage-favorable`
- **2023-02-28** Motion Special Order until 3/1 (Delegate Fisher) Adopted
- **2023-03-01** Floor Amendment {
- **2023-03-01** Second Reading Passed with Amendments
- **2023-03-03** Third Reading Passed `passage`
- **2023-03-06** Referred Judicial Proceedings `referral-committee`
- **2023-03-16** Hearing 3/22 at 1:00 p.m.
- **2023-04-06** Favorable Report by Judicial Proceedings `committee-passage-favorable`
- **2023-04-06** Favorable Adopted `committee-passage-favorable`
- **2023-04-06** Second Reading Passed
- **2023-04-07** Floor Amendment {
- **2023-04-07** Third Readings Passed with Amendments
- **2023-04-10** House Concurs Senate Amendments
- **2023-04-10** Third Reading Passed `passage`
- **2023-04-10** Passed Enrolled
- **2023-04-24** Approved by the Governor - Chapter 121 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/38f56d2a-ba63-4a54-885c-de171e3a001e`. Confidence: reported (aggregated from official Maryland legislature records).