---
type: "Bill"
title: "A bill for an act relating to driver age qualifications for certain commercial motor vehicle drivers operating solely intrastate to transport hazardous material."
description: "A bill for an act relating to driver age qualifications for certain commercial motor vehicle drivers operating solely intrastate to transport hazardous material."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2025-2026"
identifier: "SF 153"
citation: "Iowa SF 153 (2025-2026)"
classification: ["bill"]
subjects: ["commercial vehicles", "driver's licenses", "driving", "hazardous materials", "highways", "interstate commerce", "motor carriers", "public safety department", "transportation"]
status: "enacted"
primary_sponsors: []
version_count: 4
action_count: 14
vote_count: 2
first_action: "2025-01-29"
last_action: "2025-03-28"
source: "openstates"
source_identifier: "ocd-bill/ebf1e156-628f-420c-bd40-98cd8509416c"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=SF 153&ga=91"
source_hash: "9ab399d27c09765bd12196165bdd8d5ccc02526259868096b808165fbfaef508"
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 153 (2025-2026) — A bill for an act relating to driver age qualifications for certain commercial motor vehicle drivers operating solely intrastate to transport hazardous material.

## 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/91/attachments/SF153.html)
2. **Enrolled with Governor's Action** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGEG/91/attachments/SF153.html)
3. **Signed Enrolled Bill (PDF)** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGE/91/Attachments/SF153_GovLetter.pdf)
4. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/91/attachments/SF153.html)

## Votes

- Shall the bill pass? — **92–4** (pass) · lower
- Shall the bill pass? — **47–0** (pass) · upper

## Sponsors

- COMMITTEE ON TRANSPORTATION — primary (organization)

## Timeline

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

- **2025-01-29** Introduced, placed on calendar. `introduction`
- **2025-01-29** Committee report, approving bill. `committee-passage`
- **2025-03-11** Passed Senate, yeas 47, nays 0. `passage`
- **2025-03-11** Immediate message.
- **2025-03-11** Message from Senate.
- **2025-03-12** Read first time, passed on file. `reading-1`
- **2025-03-12** Substituted for HF 527.
- **2025-03-12** Passed House, yeas 92, nays 4. `passage`
- **2025-03-12** Explanation of vote.
- **2025-03-19** Explanation of vote.
- **2025-03-12** Immediate message.
- **2025-03-13** Message from House.
- **2025-03-28** Reported correctly enrolled, signed by President and Speaker, and sent to Governor.
- **2025-03-28** 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/ebf1e156-628f-420c-bd40-98cd8509416c`. Confidence: reported (aggregated from official Iowa legislature records).