---
type: "Bill"
title: "A bill for an act relating to turns against red lights made by vehicular traffic. (Formerly HSB 71.) Effective 7-1-17."
description: "A bill for an act relating to turns against red lights made by vehicular traffic. (Formerly HSB 71.) Effective 7-1-17."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2017-2018"
identifier: "HF 372"
citation: "Iowa HF 372 (2017-2018)"
classification: ["bill"]
subjects: ["driving", "highways", "intersections", "motor vehicles", "signals", "traffic control", "transportation", "vehicles"]
status: "enacted"
primary_sponsors: []
version_count: 2
action_count: 13
vote_count: 2
first_action: "2017-02-20"
last_action: "2017-03-23"
source: "openstates"
source_identifier: "ocd-bill/10d2c21e-5b40-4852-81d6-099f574ba456"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=HF 372&ga=87"
source_hash: "195f234bfd723d6204b5b34c71cbc1fe25a0383f69b4ee33ce3fd096497314ee"
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 HF 372 (2017-2018) — A bill for an act relating to turns against red lights made by vehicular traffic. (Formerly HSB 71.) Effective 7-1-17.

## 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/87/attachments/HF372.html)
2. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/87/attachments/HF372.html)

## Votes

- Shall the bill pass? — **95–1** (pass) · lower
- Shall the bill pass? — **49–0** (pass) · upper

## Timeline

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

- **2017-02-20** Introduced, placed on calendar. `introduction`
- **2017-03-07** Passed House, ayes 95, nays 1. `passage`
- **2017-03-08** Explanation of vote.
- **2017-03-07** Immediate message.
- **2017-03-08** Message from House.
- **2017-03-08** Read first time and attached to companion SF 251. `reading-1`
- **2017-03-13** Substituted for SF 251.
- **2017-03-13** Passed Senate, ayes 49, nays 0. `passage`
- **2017-03-13** Immediate message.
- **2017-03-13** Message from Senate.
- **2017-03-21** Reported correctly enrolled, signed by Speaker and President.
- **2017-03-21** Sent to Governor. `executive-receipt`
- **2017-03-23** 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/10d2c21e-5b40-4852-81d6-099f574ba456`. Confidence: reported (aggregated from official Iowa legislature records).