---
type: "Bill"
title: "Sustainability Of The Transportation System"
description: "The length of the bill summary for this bill requires it to be published on a separate page here: https://leg.colorado.gov/sb21-260-bill-summary(Note: This summary applies to this bill as enacted.)"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2021A"
identifier: "SB 21-260"
citation: "Colorado SB 21-260 (2021A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Alec Garnett", "Faith Winter", "Matt Gray", "Stephen Fenberg"]
version_count: 12
action_count: 16
vote_count: 24
first_action: "2021-05-04T06:00:00+00:00"
last_action: "2021-06-17T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/a5a55695-5bed-4ca5-a751-d5c8a39d7a05"
source_url: "http://leg.colorado.gov/bills/sb21-260"
source_hash: "8ffd6933f96708e87e9769f4ef53dee8d76e7a1a280cc368306ca35ebc74eb4d"
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 21-260 (2021A) — Sustainability Of The Transportation System

The length of the bill summary for this bill requires it to be published on a separate page here: https://leg.colorado.gov/sb21-260-bill-summary(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/2021a_sb260_h_app_006.pdf)
2. **Engrossed (05/14/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_260_en2.pdf)
3. **Final Act (06/08/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_260_enr.pdf)
4. **Introduced (05/04/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_260_01.pdf)
5. **PA1 (05/11/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_260sfin_01.pdf)
6. **PA2 (05/12/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_260sfinsapp.pdf)
7. **PA3 (05/25/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_260fin_01.pdf)
8. **PA4 (05/28/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_260app.pdf)
9. **Reengrossed (05/17/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_260_ren.pdf)
10. **Rerevised (06/02/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_260_rer.pdf)
11. **Revised (05/28/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_260_rev.pdf)
12. **Signed Act (06/17/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2021a_260_signed.pdf)

## Votes

- AMD — **21–40** (fail) · lower
- REPASS — **20–15** (pass) · upper
- AMD — **23–38** (fail) · lower
- BILL — **41–24** (pass) · lower
- AMD — **21–40** (fail) · lower
- COW * — **14–18** (fail) · upper
- COW * — **14–18** (fail) · upper
- CONCUR — **35–0** (pass) · upper
- AMD — **21–40** (fail) · lower
- AMD — **21–40** (fail) · lower
- AMD — **40–24** (pass) · lower
- PERM — **40–24** (pass) · lower
- AMD — **22–39** (fail) · lower
- AMD — **21–40** (fail) · lower
- AMD — **22–39** (fail) · lower
- COW * — **14–18** (fail) · upper
- AMD — **21–40** (fail) · lower
- COW * — **14–18** (fail) · upper
- AMD — **21–40** (fail) · lower
- AMEND — **35–0** (pass) · upper
- BILL — **20–15** (pass) · upper
- COW * — **14–18** (fail) · upper
- COW * — **14–18** (fail) · upper
- COW * — **14–18** (fail) · upper

## Sponsors

- Alec Garnett — primary (person)
- Faith Winter — primary (person)
- Matt Gray — primary (person)
- Stephen Fenberg — primary (person)

## Timeline

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

- **2021-06-17T06:00:00+00:00** Governor Signed `executive-signature`
- **2021-06-08T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2021-06-08T06:00:00+00:00** Signed by the Speaker of the House
- **2021-06-08T06:00:00+00:00** Signed by the President of the Senate
- **2021-06-02T06:00:00+00:00** Senate Considered House Amendments - Result was to Concur - Repass
- **2021-06-02T06:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
- **2021-06-01T06:00:00+00:00** House Third Reading Laid Over Daily - No Amendments
- **2021-05-28T06:00:00+00:00** House Second Reading Special Order - Passed with Amendments - Committee, Floor
- **2021-05-28T06:00:00+00:00** House Committee on Appropriations Refer Amended to House Committee of the Whole `committee-passage, referral-committee`
- **2021-05-24T06:00:00+00:00** House Committee on Finance Refer Amended to Appropriations `referral-committee`
- **2021-05-17T06:00:00+00:00** Introduced In House - Assigned to Finance `introduction`
- **2021-05-17T06:00:00+00:00** Senate Third Reading Passed with Amendments - Floor `passage, reading-3`
- **2021-05-14T06:00:00+00:00** Senate Second Reading Passed with Amendments - Committee, Floor `reading-2`
- **2021-05-12T06:00:00+00:00** Senate Committee on Appropriations Refer Amended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2021-05-10T06:00:00+00:00** Senate Committee on Finance Refer Amended to Appropriations `referral-committee`
- **2021-05-04T06:00:00+00:00** Introduced In Senate - Assigned to Finance `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/a5a55695-5bed-4ca5-a751-d5c8a39d7a05`. Confidence: reported (aggregated from official Colorado legislature records).