---
type: "Bill"
title: "Autonomous truck-mounted attenuators; pilot program authorized."
description: "Department of Transportation; autonomous truck-mounted attenuators; pilot program authorized. Authorizes the Department of Transportation to establish a pilot program for the implementation and deployment of autonomous truck-mounted attenuators within mobile work zones, defined in the bill. The bill has an expiration date of December 31, 2031. This bill is identical to SB 320."
jurisdiction: "us/states/va"
legislature: "Virginia General Assembly"
session: "2026"
identifier: "HB 582"
citation: "Virginia HB 582 (2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Jackie H. Glass"]
version_count: 5
action_count: 32
vote_count: 7
first_action: "2026-01-13"
last_action: "2026-04-06"
source: "openstates"
source_identifier: "ocd-bill/63644d8f-03c4-431f-9289-f7ba5317c41c"
source_url: "https://lis.virginia.gov/bill-details/20261/HB582"
source_hash: "55e77c0f4903f25ec042318b2222080d0df979ea981631fd377335d378cba30e"
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-va"]
---

# Virginia HB 582 (2026) — Autonomous truck-mounted attenuators; pilot program authorized.

Department of Transportation; autonomous truck-mounted attenuators; pilot program authorized. Authorizes the Department of Transportation to establish a pilot program for the implementation and deployment of autonomous truck-mounted attenuators within mobile work zones, defined in the bill. The bill has an expiration date of December 31, 2031. This bill is identical to SB 320.

## Version chain

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

1. **Introduced** (filed) — [source](https://lis.blob.core.windows.net/files/1085046.PDF)
2. **Chaptered** (committee substitute) — [source](https://lis.blob.core.windows.net/files/1216677.PDF)
3. **Innovations (Ad Hoc) Subcommittee Substitute** (committee substitute) — [source](https://lis.blob.core.windows.net/files/1131773.PDF)
4. **Transportation Substitute** (committee substitute) — [source](https://lis.blob.core.windows.net/files/1136495.PDF)
5. **Enrolled** (enrolled) — [source](https://lis.blob.core.windows.net/files/1179591.PDF)

## Votes

- Constitutional reading dispensed (on 2nd reading) — **37–0** (pass) · upper
- Reported from Transportation with substitute — **20–0** (pass) · lower
- H VOTE: — **96–0** (pass) · lower
- Passage R — **39–0** (pass) · upper
- H VOTE: — **97–0** (pass) · lower
- Reported from Transportation — **13–0** (pass) · upper
- Subcommittee recommends reporting with substitute — **10–0** (pass) · lower

## Sponsors

- Jackie H. Glass — primary (person)

## Timeline

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

- **2026-01-13** Prefiled and ordered printed; Offered 01-14-2026 26104225D `filing, introduction`
- **2026-01-13** Referred to Committee on Transportation `referral-committee`
- **2026-01-19** Assigned HTRAN sub: Innovations (Ad Hoc) `referral-committee`
- **2026-01-26** Fiscal Impact Statement from Department of Planning and Budget (HB582)
- **2026-02-05** House subcommittee offered
- **2026-02-05** Subcommittee recommends reporting with substitute (10-Y 0-N) `substitution`
- **2026-02-10** Reported from Transportation with substitute (20-Y 0-N) `committee-passage`
- **2026-02-10** Committee substitute printed 26106254D-H1 `substitution`
- **2026-02-12** Read first time `reading-1`
- **2026-02-13** Read second time `reading-2`
- **2026-02-13** committee substitute agreed to `substitution`
- **2026-02-13** Engrossed by House - committee substitute `substitution`
- **2026-02-16** Read third time and passed House (96-Y 0-N 0-A) `passage, reading-3`
- **2026-02-16** Reconsideration of passage agreed to by House
- **2026-02-16** Passed House (97-Y 0-N 0-A) `passage`
- **2026-02-17** Constitutional reading dispensed (on 1st reading)
- **2026-02-17** Referred to Committee on Transportation `referral-committee`
- **2026-02-19** Reported from Transportation (13-Y 0-N) `committee-passage`
- **2026-02-23** Rules suspended
- **2026-02-23** Constitutional reading dispensed (on 2nd reading) (37-Y 0-N 0-A)
- **2026-02-23** Passed by for the day (Voice Vote)
- **2026-02-24** Read third time `reading-3`
- **2026-02-24** Passed Senate (39-Y 0-N 0-A) `passage`
- **2026-02-26** Enrolled `enrolled`
- **2026-02-26** Bill text as passed House and Senate (HB582ER) `passage`
- **2026-02-26** Signed by Speaker `passage`
- **2026-02-26** Signed by President `passage`
- **2026-02-27** Fiscal Impact Statement from Department of Planning and Budget (HB582)
- **2026-03-10** Enrolled Bill communicated to Governor on March 10, 2026 `enrolled, executive-receipt`
- **2026-03-10** Governor's Action Deadline 11:59 p.m., April 13, 2026 `executive-receipt`
- **2026-04-06** Approved by Governor-Chapter 179 (effective 7/1/2026) `executive-signature`
- **2026-04-06** Acts of Assembly Chapter text (CHAP0179)

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/63644d8f-03c4-431f-9289-f7ba5317c41c`. Confidence: reported (aggregated from official Virginia legislature records).