# Virginia SB320: Autonomous truck-mounted attenuators; pilot program authorized.

Virginia SB320, Autonomous truck-mounted attenuators; pilot program authorized., is a 2026 Regular Session Senate bill sponsored by Kannan Srinivasan (Democratic); status signed, last action 2026-04-06 (Acts of Assembly Chapter text (CHAP0180)) (as of 2026-10-12).

- Canonical: https://policyrisk.com/state-bill/VA-SB320-2026
- As of: 2026-10-12
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Virginia SB320
- State: Virginia
- Session: 2026 Regular Session
- Title: Autonomous truck-mounted attenuators; pilot program authorized.
- Status: signed
- Chamber: Senate
- Introduced: 2026-01-13
- Last action: 2026-04-06, Acts of Assembly Chapter text (CHAP0180)
- Sponsor: Kannan Srinivasan (Democratic)
- Cosponsors: 0
- Touches household money: no
- Roll calls: 7 (210 yes, 0 no in all)
- Economic provisions PRIA read: 1

## Summary

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 HB 582.

## Bill overview: provisions PRIA read

- Work-zone safety trucks can drive themselves: benefit, low. The law authorizes the Virginia Department of Transportation to run a pilot for autonomous truck‑mounted attenuators in mobile work zones on state highways. These zones move at 25 miles per hour or less during maintenance work. In active mobile work zones, the safety truck may operate in a leader‑f…

## Sponsors and cosponsors

- Sponsor: Kannan Srinivasan (Democratic), Senate

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2026-02-27 | House | Passed House Block Vote | pass | 96 | 0 |   |
| 2026-02-24 | House | Reported from Transportation | pass | 21 | 0 |   |
| 2026-01-28 | Senate | Read third time and passed Senate Block Vote | pass | 40 | 0 |   |
| 2026-01-27 | Senate | Engrossed by Senate Block Vote (Voice Vote) | pass | 0 | 0 |   |
| 2026-01-26 | Senate | Constitutional reading dispensed Block Vote (on 1st reading) | pass | 38 | 0 |   |
| 2026-01-26 | Senate | Passed by for the day Block Vote (Voice Vote) | pass | 0 | 0 |   |
| 2026-01-22 | Senate | Reported from Transportation | pass | 15 | 0 |   |

## Actions (29)

- 2026-04-06: Acts of Assembly Chapter text (CHAP0180) (Governor)
- 2026-04-06: Approved by Governor-Chapter 180 (effective 7/1/2026) (Governor)
- 2026-03-10: Governor's Action Deadline 11:59 p.m., April 13, 2026 (Governor)
- 2026-03-10: Enrolled Bill communicated to Governor on March 10, 2026 (Senate)
- 2026-03-04: Fiscal Impact Statement from Department of Planning and Budget (SB320) (Senate)
- 2026-03-04: Bill text as passed Senate and House (SB320ER) (Senate)
- 2026-03-04: Enrolled (Senate)
- 2026-03-04: Signed by President (Senate)
- 2026-03-04: Signed by Speaker (House)
- 2026-02-27: Passed House Block Vote (96-Y 0-N 0-A) (House)
- 2026-02-27: Read third time (House)
- 2026-02-26: Read second time (House)
- 2026-02-24: Reported from Transportation (21-Y 0-N) (House)
- 2026-02-04: Referred to Committee on Transportation (House)
- 2026-02-04: Read first time (House)
- 2026-02-04: Placed on Calendar (House)
- 2026-01-28: Read third time and passed Senate Block Vote (40-Y 0-N 0-A) (Senate)
- 2026-01-27: Engrossed by Senate Block Vote (Voice Vote) (Senate)
- 2026-01-27: Read second time (Senate)
- 2026-01-26: Fiscal Impact Statement from Department of Planning and Budget (SB320) (Senate)
- 2026-01-26: Passed by for the day Block Vote (Voice Vote) (Senate)
- 2026-01-26: Constitutional reading dispensed Block Vote (on 1st reading) (38-Y 0-N 0-A) (Senate)
- 2026-01-26: Passed by for the day (Senate)
- 2026-01-26: Passed by for the day (Senate)
- 2026-01-26: Read first time (Senate)
- 2026-01-26: Constitutional reading dispensed (on 1st reading) (Senate)
- 2026-01-22: Reported from Transportation (15-Y 0-N) (Senate)
- 2026-01-13: Referred to Committee on Transportation (Senate)
- 2026-01-13: Prefiled and ordered printed; Offered 01-14-2026 26104805D (Senate)

## Bill text

- Chaptered, 2026-04-06: [HTML](https://lis.blob.core.windows.net/files/1216690.HTML), [PDF](https://lis.blob.core.windows.net/files/1216689.PDF)
- Enrolled, 2026-03-04: [HTML](https://lis.blob.core.windows.net/files/1188238.HTML), [PDF](https://lis.blob.core.windows.net/files/1188237.PDF)
- Introduced, 2026-01-13: [HTML](https://lis.blob.core.windows.net/files/1088899.HTML), [PDF](https://lis.blob.core.windows.net/files/1088898.PDF)

## Related bills

- HB5: Employment; paid sick leave, civil penalties. (signed)
- SB199: Employment; paid sick leave, civil penalties. (signed)
- HB95: Va. Residential Landlord and Tenant Act; landlord remedies, noncompliance with rental agreement. (signed)
- HB1393: Electric utilities; pilot program for energy assistance and weatherization for certain individuals. (signed)
- HB834: Virginia Residential Landlord and Tenant Act; fire or casualty damage, termination by landlord. (signed)
- HB675: Protection of employees; coercion or threat based on immigration status, civil penalty. (signed)

## Sources
- [Chaptered (HTML)](https://lis.blob.core.windows.net/files/1216690.HTML)
- [Chaptered (PDF)](https://lis.blob.core.windows.net/files/1216689.PDF)
- [Enrolled (HTML)](https://lis.blob.core.windows.net/files/1188238.HTML)
- [Enrolled (PDF)](https://lis.blob.core.windows.net/files/1188237.PDF)
- [Introduced (HTML)](https://lis.blob.core.windows.net/files/1088899.HTML)
- [Introduced (PDF)](https://lis.blob.core.windows.net/files/1088898.PDF)

## Related
- [HB5: Employment; paid sick leave, civil penalties.](https://policyrisk.com/state-bill/VA-HB5-2026)
- [SB199: Employment; paid sick leave, civil penalties.](https://policyrisk.com/state-bill/VA-SB199-2026)
- [HB95: Va. Residential Landlord and Tenant Act; landlord remedies, noncompliance with…](https://policyrisk.com/state-bill/VA-HB95-2026)
- [HB1393: Electric utilities; pilot program for energy assistance and weatherization for…](https://policyrisk.com/state-bill/VA-HB1393-2026)
- [HB834: Virginia Residential Landlord and Tenant Act; fire or casualty damage, terminat…](https://policyrisk.com/state-bill/VA-HB834-2026)
- [HB675: Protection of employees; coercion or threat based on immigration status, civil…](https://policyrisk.com/state-bill/VA-HB675-2026)
- [Virginia bills](https://policyrisk.com/states/virginia/bills)
- [Virginia state hub](https://policyrisk.com/states/virginia)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/VA-SB320-2026 (as of 2026-10-12).