---
type: "Bill"
title: "Traffic control; traffic regulation; roadside drug testing for controlled substances; allow. Amends sec. 625t of 1949 PA 300 (MCL 257.625t)."
description: "Traffic control; traffic regulation; roadside drug testing for controlled substances; allow. Amends sec. 625t of 1949 PA 300 (MCL 257.625t)."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2019-2020"
identifier: "SB 718"
citation: "Michigan SB 718 (2019-2020)"
classification: ["bill"]
subjects: ["Traffic control: traffic regulation", "Traffic control: violations", "Crimes: intoxication or impairment", "Controlled substances: use"]
status: "enacted"
primary_sponsors: []
version_count: 4
action_count: 27
vote_count: 2
first_action: "2020-01-15T05:00:00+00:00"
last_action: "2020-06-16T04:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/de2a5f62-6b32-403d-9697-06723448535f"
source_url: "http://legislature.mi.gov/doc.aspx?2019-SB-0718"
source_hash: "53659e4e821f1473c864c7a23e7a30ed940f0380140f5af4593e3b8799f96ea4"
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-mi"]
---

# Michigan SB 718 (2019-2020) — Traffic control; traffic regulation; roadside drug testing for controlled substances; allow. Amends sec. 625t of 1949 PA 300 (MCL 257.625t).

## Version chain

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

1. **As Passed by the House** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billengrossed/Senate/htm/2020-SEBH-0718.htm)
2. **As Passed by the Senate** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billengrossed/Senate/htm/2020-SEBS-0718.htm)
3. **Public Act** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/publicact/htm/2020-PA-0087.htm)
4. **Senate Introduced Bill** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billintroduced/Senate/htm/2020-SIB-0718.htm)

## Votes

- PASSED ROLL CALL # 126 YEAS 28 NAYS 9 EXCUSED 1 NOT VOTING 0 — **28–9** (pass) · upper
- passed; given immediate effect Roll Call # 211 Yeas 77 Nays 30 Excused 0 Not Voting 2 — **77–30** (pass) · lower

## Sponsors

- Peter MacGregor — cosponsor (person)

## Timeline

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

- **2020-01-15T05:00:00+00:00** INTRODUCED BY SENATOR PETER MACGREGOR `introduction`
- **2020-01-15T05:00:00+00:00** REFERRED TO COMMITTEE ON JUDICIARY AND PUBLIC SAFETY `referral-committee`
- **2020-03-17T04:00:00+00:00** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2020-03-17T04:00:00+00:00** COMMITTEE RECOMMENDED IMMEDIATE EFFECT
- **2020-03-17T04:00:00+00:00** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2020-03-17T04:00:00+00:00** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) `committee-passage`
- **2020-03-17T04:00:00+00:00** PLACED ON ORDER OF THIRD READING
- **2020-03-17T04:00:00+00:00** PASSED ROLL CALL # 126 YEAS 28 NAYS 9 EXCUSED 1 NOT VOTING 0 `passage`
- **2020-03-17T04:00:00+00:00** received on 03/17/2020 `introduction`
- **2020-03-17T04:00:00+00:00** read a first time `reading-1`
- **2020-03-17T04:00:00+00:00** referred to Committee on Judiciary `referral-committee`
- **2020-05-13T04:00:00+00:00** reported with recommendation without amendment `committee-passage`
- **2020-05-13T04:00:00+00:00** referred to second reading
- **2020-05-19T04:00:00+00:00** read a second time `reading-2`
- **2020-05-19T04:00:00+00:00** placed on third reading
- **2020-05-27T04:00:00+00:00** read a third time `reading-3`
- **2020-05-27T04:00:00+00:00** passed; given immediate effect Roll Call # 211 Yeas 77 Nays 30 Excused 0 Not Voting 2 `passage`
- **2020-05-27T04:00:00+00:00** inserted full title
- **2020-05-27T04:00:00+00:00** returned to Senate
- **2020-05-28T04:00:00+00:00** IMMEDIATE EFFECT DEFEATED
- **2020-05-28T04:00:00+00:00** GIVEN IMMEDIATE EFFECT
- **2020-05-28T04:00:00+00:00** FULL TITLE AGREED TO
- **2020-05-28T04:00:00+00:00** ORDERED ENROLLED
- **2020-06-03T04:00:00+00:00** PRESENTED TO GOVERNOR 06/02/2020 02:00 PM `executive-receipt`
- **2020-06-16T04:00:00+00:00** APPROVED BY GOVERNOR 06/11/2020 09:43 AM `executive-signature`
- **2020-06-16T04:00:00+00:00** FILED WITH SECRETARY OF STATE 06/11/2020 10:37 AM
- **2020-06-16T04:00:00+00:00** ASSIGNED PA 0087'20 WITH IMMEDIATE EFFECT

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/de2a5f62-6b32-403d-9697-06723448535f`. Confidence: reported (aggregated from official Michigan legislature records).