---
type: "Bill"
title: "Commercial Motor Vehicle Driver Age"
description: "Commercial driver's licenses - interstate commerce - 18 to 21 years of age. The act authorizes the department of revenue to adopt rules authorizing a person who is at least 18 years of age but under 21 years of age to be licensed to drive a commercial vehicle in interstate commerce if the person holds a commercial driver's license and operation of a commercial vehicle in interstate commerce by a person in that age range is permitted under federal law.(Note: This summary applies to this bill as enacted.)"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2019A"
identifier: "SB 19-018"
citation: "Colorado SB 19-018 (2019A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Barbara McLachlan", "Lori Saine", "Ray Scott", "Vicki Marble"]
version_count: 9
action_count: 13
vote_count: 4
first_action: "2019-01-04T07:00:00+00:00"
last_action: "2019-02-20T07:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/bd838f1d-9e1d-4b76-84ec-2ec4a987fca0"
source_url: "http://leg.colorado.gov/bills/sb19-018"
source_hash: "3abc1aeab758956aac7c8fb7a6dd34667490af6902c8ddf7c6a1584234d0f683"
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-co"]
---

# Colorado SB 19-018 (2019A) — Commercial Motor Vehicle Driver Age

Commercial driver's licenses - interstate commerce - 18 to 21 years of age. The act authorizes the department of revenue to adopt rules authorizing a person who is at least 18 years of age but under 21 years of age to be licensed to drive a commercial vehicle in interstate commerce if the person holds a commercial driver's license and operation of a commercial vehicle in interstate commerce by a person in that age range is permitted under federal law.(Note: This summary applies to this bill as enacted.)

## Version chain

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

1. **Committee Amendment** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2019a_sb018_h_tlg_001.pdf)
2. **Engrossed (01/25/2019)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2019A/bills/2019a_018_eng.pdf)
3. **Final Act (02/14/2019)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2019A/bills/2019a_018_enr.pdf)
4. **Introduced (01/04/2019)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2019A/bills/2019a_018_01.pdf)
5. **PA1 (02/06/2019)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2019A/bills/2019a_018tlg_01.pdf)
6. **Reengrossed (01/28/2019)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2019A/bills/2019a_018_ren.pdf)
7. **Rerevised (02/11/2019)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2019A/bills/2019a_018_rer.pdf)
8. **Revised (02/08/2019)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2019A/bills/2019a_018_rev.pdf)
9. **Signed Act (02/20/2019)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2019a_018_signed.pdf)

## Votes

- BILL — **32–0** (pass) · upper
- REPASS — **35–0** (pass) · upper
- CONCUR — **34–1** (pass) · upper
- BILL — **60–3** (pass) · upper

## Sponsors

- Barbara McLachlan — primary (person)
- Lori Saine — primary (person)
- Ray Scott — primary (person)
- Vicki Marble — primary (person)

## Timeline

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

- **2019-02-20T07:00:00+00:00** Governor Signed `executive-signature`
- **2019-02-14T07:00:00+00:00** Sent to the Governor `executive-receipt`
- **2019-02-14T07:00:00+00:00** Signed by the Speaker of the House
- **2019-02-14T07:00:00+00:00** Signed by the President of the Senate
- **2019-02-12T07:00:00+00:00** Senate Considered House Amendments - Result was to Concur - Repass
- **2019-02-11T07:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
- **2019-02-08T07:00:00+00:00** House Second Reading Passed with Amendments - Committee `reading-2`
- **2019-02-05T07:00:00+00:00** House Committee on Transportation & Local Government Refer Amended to House Committee of the Whole `referral-committee, committee-passage`
- **2019-01-30T07:00:00+00:00** Introduced In House - Assigned to Transportation & Local Government `introduction`
- **2019-01-28T07:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2019-01-25T07:00:00+00:00** Senate Second Reading Passed - No Amendments `reading-2`
- **2019-01-22T07:00:00+00:00** Senate Committee on Transportation & Energy Refer Unamended - Consent Calendar to Senate Committee of the Whole `committee-passage`
- **2019-01-04T07:00:00+00:00** Introduced In Senate - Assigned to Transportation & Energy `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/bd838f1d-9e1d-4b76-84ec-2ec4a987fca0`. Confidence: reported (aggregated from official Colorado legislature records).