---
type: "Bill"
title: "Special license plates; creating the Route 66 Centennial License Plate; effective date; emergency."
description: "Special license plates; creating the Route 66 Centennial License Plate; effective date; emergency."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2026"
identifier: "HB 3147"
citation: "Oklahoma HB 3147 (2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Hildebrant", "Seifried"]
version_count: 5
action_count: 25
vote_count: 5
first_action: "2026-02-02"
last_action: "2026-04-23"
source: "openstates"
source_identifier: "ocd-bill/6631473d-6619-4646-b855-10a6242bbba5"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=HB3147&session=2600"
source_hash: "9326375d7bb23a6b4b60290d6ff043a4a984b89d1a9475c43ff33b14a75b3898"
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-ok"]
---

# Oklahoma HB 3147 (2026) — Special license plates; creating the Route 66 Centennial License Plate; effective date; emergency.

## Version chain

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

1. **Introduced** (filed) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 INT/hB/HB3147 INT.PDF)
2. **Engrossed** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 ENGR/hB/HB3147 ENGR.PDF)
3. **Enrolled (final version)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 ENR/hB/HB3147 ENR.PDF)
4. **Floor (House)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLR/HFLR/HB3147 HFLR.PDF)
5. **Floor (Senate)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLR/SFLR/HB3147 SFLR.PDF)

## Votes

- Commerce And Economic Development Oversight Committee: Do Pass — **15–0** (pass) · lower
- Third Reading — **46–0** (pass) · upper
- Transportation Committee: Do Pass — **9–0** (pass) · lower
- Third Reading — **89–0** (pass) · lower
- Aeronautics & Transportation — **9–0** (pass) · upper

## Sponsors

- Hildebrant — primary (person)
- Seifried — primary (person)

## Timeline

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

- **2026-02-02** First Reading `introduction, reading-1`
- **2026-02-02** Authored by Representative Hildebrant
- **2026-02-03** Second Reading referred to Commerce and Economic Development Oversight `reading-2, referral-committee`
- **2026-02-03** Referred to Transportation `referral-committee`
- **2026-02-18** Policy recommendation to the Commerce and Economic Development Oversight committee; Do Pass Transportation `committee-passage`
- **2026-02-18** Authored by Senator Seifried (principal Senate author)
- **2026-02-24** CR; Do Pass Commerce and Economic Development Oversight Committee `committee-passage`
- **2026-02-24** Coauthored by Representative(s) Hill
- **2026-03-11** General Order
- **2026-03-11** Third Reading, Measure and Emergency passed: Ayes: 89 Nays: 0 `passage, reading-3`
- **2026-03-11** Referred for engrossment
- **2026-03-16** Engrossed, signed, to Senate `passage`
- **2026-03-16** First Reading `introduction, reading-1`
- **2026-03-16** Coauthored by Representative Waldron
- **2026-04-01** Second Reading referred to Aeronautics and Transportation `reading-2, referral-committee`
- **2026-04-06** Reported Do Pass Aeronautics and Transportation committee; CR filed `committee-passage`
- **2026-04-08** Placed on General Order
- **2026-04-15** General Order, Considered
- **2026-04-15** Measure and Emergency passed: Ayes: 46 Nays: 0 `passage`
- **2026-04-15** Engrossed measure signed, returned to House `passage`
- **2026-04-15** Referred for enrollment
- **2026-04-16** Enrolled, signed, to Senate
- **2026-04-16** Enrolled measure signed, returned to House
- **2026-04-16** Sent to Governor `executive-receipt`
- **2026-04-23** Becomes law without Governor's signature 04/23/2026 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/6631473d-6619-4646-b855-10a6242bbba5`. Confidence: reported (aggregated from official Oklahoma legislature records).