---
type: "Bill"
title: "Move Over Or Slow Down For Official Vehicle"
description: "Preexisting law requires a driver who is overtaking an emergency vehicle, tow vehicle, or public utility vehicle that is parked on the side of the road to reduce and maintain a safe speed. The act makes it a presumption that the following speeds are safe unless the conditions require a lower speed:"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2020A"
identifier: "HB 20-1145"
citation: "Colorado HB 20-1145 (2020A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Chris Holbert", "Hugh McKean", "Leroy Garcia"]
version_count: 9
action_count: 13
vote_count: 2
first_action: "2020-01-17T07:00:00+00:00"
last_action: "2020-04-10T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/00a0e9ac-ccfb-463f-bae5-2f3e9239beb6"
source_url: "http://leg.colorado.gov/bills/hb20-1145"
source_hash: "0314103b3a76a2d633b12ec0f135734a57fba905129713a255d04318847e9cef"
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 HB 20-1145 (2020A) — Move Over Or Slow Down For Official Vehicle

Preexisting law requires a driver who is overtaking an emergency vehicle, tow vehicle, or public utility vehicle that is parked on the side of the road to reduce and maintain a safe speed. The act makes it a presumption that the following speeds are safe unless the conditions require a lower speed:

## 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/2020a_hb1145_s_tra_001.pdf)
2. **Engrossed (02/21/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1145_eng.pdf)
3. **Final Act (03/14/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1145_enr.pdf)
4. **Introduced (01/17/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1145_01.pdf)
5. **PA1 (02/19/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1145trans_01.pdf)
6. **Reengrossed (02/27/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1145_ren.pdf)
7. **Rerevised (03/13/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1145_rer.pdf)
8. **Revised (03/12/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1145_rev.pdf)
9. **Signed Act (04/03/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2020a_1145_signed.pdf)

## Votes

- BILL — **64–0** (pass) · lower
- BILL — **33–0** (pass) · upper

## Sponsors

- Chris Holbert — primary (person)
- Hugh McKean — primary (person)
- Leroy Garcia — primary (person)

## Timeline

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

- **2020-04-10T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2020-04-03T06:00:00+00:00** Governor Signed `executive-signature`
- **2020-03-14T06:00:00+00:00** Signed by the President of the Senate
- **2020-03-14T06:00:00+00:00** Signed by the Speaker of the House
- **2020-03-13T06:00:00+00:00** Senate Third Reading Passed - No Amendments `reading-3, passage`
- **2020-03-12T06:00:00+00:00** Senate Second Reading Special Order - Passed - No Amendments
- **2020-03-10T06:00:00+00:00** Senate Committee on Transportation & Energy Refer Unamended - Consent Calendar to Senate Committee of the Whole `committee-passage`
- **2020-02-28T07:00:00+00:00** Introduced In Senate - Assigned to Transportation & Energy `introduction`
- **2020-02-27T07:00:00+00:00** House Third Reading Passed - No Amendments `reading-3, passage`
- **2020-02-24T07:00:00+00:00** House Third Reading Laid Over Daily - No Amendments
- **2020-02-21T07:00:00+00:00** House Second Reading Special Order - Passed with Amendments - Committee
- **2020-02-18T07:00:00+00:00** House Committee on Transportation & Local Government Refer Amended to House Committee of the Whole `committee-passage, referral-committee`
- **2020-01-17T07:00:00+00:00** Introduced In House - Assigned to Transportation & Local Government `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/00a0e9ac-ccfb-463f-bae5-2f3e9239beb6`. Confidence: reported (aggregated from official Colorado legislature records).