---
type: "Bill"
title: "Motor vehicles; prohibited acts on highways; requiring certain liability insurance for tractors carrying cargo; effective date."
description: "Motor vehicles; prohibited acts on highways; requiring certain liability insurance for tractors carrying cargo; effective date."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2020"
identifier: "HB 3508"
citation: "Oklahoma HB 3508 (2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Frix", "Standridge"]
version_count: 7
action_count: 31
vote_count: 0
first_action: "2020-02-03"
last_action: "2020-05-22"
source: "openstates"
source_identifier: "ocd-bill/3abf7920-a20c-4066-a38c-7a1e88848da4"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=HB3508&session=2000"
source_hash: "430d920e67163c347bcd7d0a08b0ee8d0378b7be8bff410e91c149c7e9180483"
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 3508 (2020) — Motor vehicles; prohibited acts on highways; requiring certain liability insurance for tractors carrying cargo; effective date.

## Version chain

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

1. **Introduced** (filed) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 INT/hB/HB3508 INT.PDF)
2. **1 Floor Amendment by FRIX** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 FLOOR AMENDMENTS/House/HB3508 FA1 FRIXAV-JBH.PDF)
3. **Amended And Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 AMENDMENTS/Amendment & Engr/HB3508 SAHB & ENGR.PDF)
4. **Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 ENGR/hB/HB3508 ENGR.PDF)
5. **Enrolled (final version)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 ENR/hB/HB3508 ENR.PDF)
6. **Floor (House)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 FLR/HFLR/HB3508 HFLR.PDF)
7. **HB3508 (5-13-20) (STANDRIDGE) FS FA1.PDF** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 FLOOR AMENDMENTS/Senate/HB3508 (5-13-20) (STANDRIDGE) FS FA1.PDF)

## Sponsors

- Frix — primary (person)
- Standridge — primary (person)

## Timeline

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

- **2020-02-03** First Reading `introduction, reading-1`
- **2020-02-03** Authored by Representative Frix
- **2020-02-04** Second Reading referred to Transportation `referral-committee, reading-2`
- **2020-02-12** CR; Do Pass Transportation Committee `committee-passage`
- **2020-03-11** General Order
- **2020-03-11** Authored by Senator Quinn (principal Senate author)
- **2020-03-11** Amended `amendment-passage`
- **2020-03-11** Title stricken
- **2020-03-11** Third Reading, Measure passed: Ayes: 90 Nays: 3 `passage, reading-3`
- **2020-03-11** Referred for engrossment
- **2020-03-16** Engrossed, signed, to Senate `passage`
- **2020-03-16** First Reading `introduction, reading-1`
- **2020-04-06** Second Reading referred to Public Safety Committee then to Appropriations Committee `referral-committee, reading-2`
- **2020-05-12** Remove as author Senator Quinn; authored by Senator Standridge
- **2020-05-12** Coauthored by Senator Quinn
- **2020-05-13** Withdrawn from Public Safety committee
- **2020-05-13** Direct to Calendar
- **2020-05-14** Coauthored by Senator Bergstrom
- **2020-05-14** General Order, Amended by Floor Substitute
- **2020-05-14** Title restored
- **2020-05-14** Measure passed: Ayes: 42 Nays: 2 `passage`
- **2020-05-14** Referred for engrossment
- **2020-05-14** Engrossed to House `passage`
- **2020-05-14** SA's received
- **2020-05-15** SA's read, adopted
- **2020-05-15** Fourth Reading, Measure passed: Ayes: 88 Nays: 1 `passage`
- **2020-05-15** Referred for enrollment
- **2020-05-15** Enrolled, signed, to Senate
- **2020-05-15** Enrolled measure signed, returned to House
- **2020-05-15** Sent to Governor `executive-receipt`
- **2020-05-22** Approved by Governor 05/21/2020 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/3abf7920-a20c-4066-a38c-7a1e88848da4`. Confidence: reported (aggregated from official Oklahoma legislature records).