---
type: "Bill"
title: "A bill for an act relating to motor vehicles operated by an automated driving system, and making penalties applicable. (Formerly SSB 1128.) Effective 7-1-19."
description: "A bill for an act relating to motor vehicles operated by an automated driving system, and making penalties applicable. (Formerly SSB 1128.) Effective 7-1-19."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2019-2020"
identifier: "SF 302"
citation: "Iowa SF 302 (2019-2020)"
classification: ["bill"]
subjects: ["accidents", "automobile insurance", "driving", "motor vehicles", "transportation", "vehicles"]
status: "enacted"
primary_sponsors: []
version_count: 7
action_count: 20
vote_count: 3
first_action: "2019-02-19"
last_action: "2019-05-03"
source: "openstates"
source_identifier: "ocd-bill/483373d9-9ab7-4649-acf5-dd23b399f208"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=SF 302&ga=88"
source_hash: "8ae34ca95d50607085b410b4e9ec1fcca39cdfee27297491fe4bf12d112b0407"
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-ia"]
---

# Iowa SF 302 (2019-2020) — A bill for an act relating to motor vehicles operated by an automated driving system, and making penalties applicable. (Formerly SSB 1128.) Effective 7-1-19.

## Version chain

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

1. **Introduced** (filed) — [source](https://www.legis.iowa.gov/docs/publications/LGI/88/attachments/SF302.html)
2. **Amendment H-1212** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/88/H1212.pdf)
3. **Amendment S-3096** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/88/S3096.pdf)
4. **Amendment S-3168** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/88/S3168.pdf)
5. **Reprinted** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGR/88/attachments/SF302.html)
6. **Reprinted Marked Up** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGRM/88/attachments/SF302.html)
7. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/88/attachments/SF302.html)

## Votes

- Shall the bill pass? — **48–1** (pass) · upper
- Shall the bill pass? — **45–1** (pass) · upper
- Shall the bill pass? — **98–2** (pass) · lower

## Timeline

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

- **2019-02-19** Introduced, placed on calendar. `introduction`
- **2019-02-19** Committee report, approving bill.
- **2019-04-01** Amendment S-3096 filed. `amendment-introduction`
- **2019-04-02** Amendment S-3096 adopted. `amendment-passage`
- **2019-04-02** Passed Senate, yeas 45, nays 1. `passage`
- **2019-04-02** Immediate message.
- **2019-04-03** Message from Senate.
- **2019-04-03** Read first time, passed on file. `reading-1`
- **2019-04-15** Amendment H-1212 filed. `amendment-introduction`
- **2019-04-16** Substituted for HF 535.
- **2019-04-16** Amendment H-1212 adopted. `amendment-passage`
- **2019-04-16** Passed House, yeas 98 nays 2. `passage`
- **2019-04-16** Immediate message.
- **2019-04-17** Message from House, with amendment S-3168.
- **2019-04-17** Senate concurred with S-3168.
- **2019-04-17** Passed Senate, yeas 48, nays 1. `passage`
- **2019-04-17** Immediate message.
- **2019-04-18** Message from Senate.
- **2019-04-30** Reported correctly enrolled, signed by President and Speaker, and sent to Governor.
- **2019-05-03** Signed by Governor. `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/483373d9-9ab7-4649-acf5-dd23b399f208`. Confidence: reported (aggregated from official Iowa legislature records).