---
type: "Bill"
title: "Motor vehicles; authorizing use of flashing lights on road-service vehicles. Effective date."
description: "Motor vehicles; authorizing use of flashing lights on road-service vehicles. Effective date."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2021"
identifier: "SB 787"
citation: "Oklahoma SB 787 (2021)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Sterling", "Weaver"]
version_count: 5
action_count: 20
vote_count: 0
first_action: "2021-02-01"
last_action: "2021-04-27"
source: "openstates"
source_identifier: "ocd-bill/e55d9ac2-81e7-49d2-8d6c-567d05da2edb"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=SB787&session=2100"
source_hash: "1c05ef4d932289ded2f64f8d65f005895b14e4fc453d06f24d3a89ce0ec28449"
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 SB 787 (2021) — Motor vehicles; authorizing use of flashing lights on road-service vehicles. 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/2021-22 INT/SB/SB787 INT.PDF)
2. **Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 ENGR/SB/SB787 ENGR.PDF)
3. **Enrolled (final version)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 ENR/SB/SB787 ENR.PDF)
4. **Floor (House)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 FLR/HFLR/SB787 HFLR.PDF)
5. **Floor (Senate)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 FLR/SFLR/SB787 SFLR.PDF)

## Sponsors

- Sterling — primary (person)
- Weaver — primary (person)

## Timeline

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

- **2021-02-01** First Reading `introduction, reading-1`
- **2021-02-01** Authored by Senator Weaver
- **2021-02-02** Second Reading referred to Public Safety `reading-2, referral-committee`
- **2021-02-03** Reported Do Pass Public Safety committee; CR filed `committee-passage`
- **2021-02-03** Coauthored by Representative Sterling (principal House author)
- **2021-02-09** General Order, Considered
- **2021-02-09** Measure passed: Ayes: 46 Nays: 0 `passage`
- **2021-02-09** Referred for engrossment
- **2021-02-10** Engrossed to House `passage`
- **2021-02-10** First Reading `introduction, reading-1`
- **2021-03-22** Second Reading referred to Public Safety `reading-2, referral-committee`
- **2021-04-06** CR; Do Pass Public Safety Committee `committee-passage`
- **2021-04-20** General Order
- **2021-04-20** Third Reading, Measure passed: Ayes: 91 Nays: 0 `passage, reading-3`
- **2021-04-20** Signed, returned to Senate
- **2021-04-21** Referred for enrollment
- **2021-04-22** Enrolled, to House
- **2021-04-22** Signed, returned to Senate
- **2021-04-22** Sent to Governor `executive-receipt`
- **2021-04-27** Approved by Governor 04/27/2021 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/e55d9ac2-81e7-49d2-8d6c-567d05da2edb`. Confidence: reported (aggregated from official Oklahoma legislature records).