---
type: "Bill"
title: "Snow plow lights."
description: "AN ACT relating to the regulation of traffic on highways; providing the department of transportation rulemaking authority relating to lights of a conspicuous color on municipal and county snow plows; and providing for an effective date."
jurisdiction: "us/states/wy"
legislature: "Wyoming Legislature"
session: "2017"
identifier: "SF 19"
citation: "Wyoming SF 19 (2017)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Blake", "Emerich"]
version_count: 3
action_count: 20
vote_count: 4
first_action: "2016-12-05T07:00:00+00:00"
last_action: "2017-02-21T07:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/45736541-c528-449e-94bf-491cf9bbfd00"
source_url: "http://legisweb.state.wy.us/2017/Digest/SF0019.pdf"
source_hash: "99943766ca2121bb2024331ac2c0157f12a9431a2eff1d1242375da6fd26b1c2"
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-wy"]
---

# Wyoming SF 19 (2017) — Snow plow lights.

AN ACT relating to the regulation of traffic on highways; providing the department of transportation rulemaking authority relating to lights of a conspicuous color on municipal and county snow plows; and providing for an effective date.

## Version chain

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

1. **Introduced** (filed) — [source](http://legisweb.state.wy.us/2017/Introduced/SF0019.pdf)
2. **Engrossed** (committee substitute) — [source](http://legisweb.state.wy.us/2017/Engross/SF0019.pdf)
3. **SEA0016** (committee substitute) — [source](http://legisweb.state.wy.us/2017/Enroll/SF0019.pdf)

## Votes

- H08 - Transportation:Recommend Do Pass 9-0-0-0-0 — **5–0** (pass) · legislature
- 3rd Reading:Passed 51-8-1-0-0 — **5–0** (pass) · legislature
- S08 - Transportation:Recommend Amend and Do Pass 5-0-0-0-0 — **5–0** (pass) · legislature
- 3rd Reading:Passed 30-0-0-0-0 — **5–0** (pass) · legislature

## Sponsors

- Blake — primary (person)
- Emerich — primary (person)

## Timeline

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

- **2016-12-05T07:00:00+00:00** Bill Number Assigned
- **2017-01-09T07:00:00+00:00** Received for Introduction
- **2017-01-11T07:00:00+00:00** Introduced and Referred to S08 - Transportation `introduction, referral-committee`
- **2017-01-19T07:00:00+00:00** S08 - Transportation:Recommend Amend and Do Pass 5-0-0-0-0 `committee-passage-favorable`
- **2017-01-19T07:00:00+00:00** Placed on General File
- **2017-01-19T07:00:00+00:00** COW:Passed
- **2017-01-20T07:00:00+00:00** 2nd Reading:Passed `reading-2`
- **2017-01-23T07:00:00+00:00** 3rd Reading:Passed 30-0-0-0-0 `reading-3, passage`
- **2017-01-25T07:00:00+00:00** Received for Introduction
- **2017-02-06T07:00:00+00:00** Introduced and Referred to H08 - Transportation `introduction, referral-committee`
- **2017-02-10T07:00:00+00:00** H08 - Transportation:Recommend Do Pass 9-0-0-0-0 `committee-passage-favorable`
- **2017-02-10T07:00:00+00:00** Placed on General File
- **2017-02-13T07:00:00+00:00** COW:Passed
- **2017-02-14T07:00:00+00:00** 2nd Reading:Passed `reading-2`
- **2017-02-15T07:00:00+00:00** 3rd Reading:Passed 51-8-1-0-0 `reading-3, passage`
- **2017-02-15T07:00:00+00:00** Assigned Number SEA No. 0016
- **2017-02-15T07:00:00+00:00** President Signed SEA No. 0016
- **2017-02-16T07:00:00+00:00** Speaker Signed SEA No. 0016
- **2017-02-21T07:00:00+00:00** Governor Signed SEA No. 0016 `executive-signature`
- **2017-02-21T07:00:00+00:00** Assigned Chapter Number

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/45736541-c528-449e-94bf-491cf9bbfd00`. Confidence: reported (aggregated from official Wyoming legislature records).