---
type: "Bill"
title: "establishing a commission to study the implementation of enhanced automation of traffic lights."
description: "establishing a commission to study the implementation of enhanced automation of traffic lights."
jurisdiction: "us/states/nh"
legislature: "New Hampshire General Court"
session: "2021"
identifier: "HB 423"
citation: "New Hampshire HB 423 (2021)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Peter E. Torosian"]
version_count: 1
action_count: 14
vote_count: 2
first_action: "2021-01-10"
last_action: "2021-07-26"
source: "openstates"
source_identifier: "ocd-bill/edee10c6-5f85-472d-afd2-6a9e4b8fd865"
source_url: "http://www.gencourt.state.nh.us/bill_status/legacy/bs2016/bill_status.aspx?lsr=0566&sy=2021&sortoption=&txtsessionyear=2021"
source_hash: "fbb284f801640507c5f20ff0c535414d15a9cd95a31669f8d8d859a147f33bdd"
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-nh"]
---

# New Hampshire HB 423 (2021) — establishing a commission to study the implementation of enhanced automation of traffic lights.

## Version chain

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

1. **Amendment #2021-0865s** (committee substitute) — [source](http://www.gencourt.state.nh.us/bill_status/legacy/bs2016/billText.aspx?sy=2021&id=2021-0865s&txtFormat=amend)

## Votes

- Ought to Pass w/Amendment — **24–0** (pass) · upper
- Committee Amendment 0865s — **24–0** (pass) · upper

## Sponsors

- Peter E. Torosian — primary (person)
- Chris True — cosponsor (person)
- James A. Spillane — cosponsor (person)
- John C. Janigian — cosponsor (person)
- Linda R. Gould — cosponsor (person)

## Timeline

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

- **2021-01-10** Introduced (in recess of) 01/06/2021 and referred to Transportation HJ 2 P. 47 `introduction, referral-committee`
- **2021-01-21** Public Hearing: 01/29/2021 02:00 pm Members of the public may attend using the following link:To join the webinar: https://www.zoom.us/j/99305477189 / Executive session on pending legislation may be held throughout the day (time permitting) from the time the committee is initially convened.
- **2021-01-27** Executive Session: 02/05/2021 02:15 pm Members of the public may attend using the following link:To join the webinar: https://www.zoom.us/j/92807074926
- **2021-02-17** Committee Report: Ought to Pass (Vote 18-1; CC) HC 12 P. 13 `committee-passage-favorable`
- **2021-02-24** Ought to Pass: MA VV 02/24/2021 HJ 3 P. 19 `passage`
- **2021-03-04** Introduced 03/04/2021 and Referred to Transportation; SJ 7 `introduction, referral-committee`
- **2021-03-11** Remote Hearing: 03/16/2021, 02:00 pm; Links to join the hearing can be found in the Senate Calendar; SC 15
- **2021-03-17** Committee Report: Ought to Pass with Amendment # 2021-0865s, 03/25/2021; SC 16 `committee-passage-favorable`
- **2021-03-25** Committee Amendment # 2021-0865s, RC 24Y-0N, AA; 03/25/2021; SJ 9
- **2021-03-25** Ought to Pass with Amendment 2021-0865s, RC 24Y-0N, MA; OT3rdg; 03/25/2021; SJ 9 `passage`
- **2021-06-10** House Concurs with Senate Amendment 2021-0865s (Rep. Walsh): MA VV 06/10/2021 HJ 10 P. 20
- **2021-07-12** Enrolled Adopted, VV, (In recess 06/24/2021); SJ 20
- **2021-07-12** Enrolled (in recess of) 06/24/2021
- **2021-07-26** Signed by Governor Sununu 07/23/2021; Chapter 141; I. Sec. 2 Eff: 11/01/2021 II. Rem. Eff: 07/23/2021 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/edee10c6-5f85-472d-afd2-6a9e4b8fd865`. Confidence: reported (aggregated from official New Hampshire legislature records).