---
type: "Bill"
title: "Extend Voter Approval Window For RTA Regional Transportation Authority Mill Levy"
description: "Current law authorizes a regional transportation authority to seek voter approval for a uniform mill levy of up to 5 mills on all taxable property within its territory, but the authorization is scheduled to repeal on January 1, 2019. The bill extends the authorization until January 1, 2029."
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2017A"
identifier: "HB 17-1018"
citation: "Colorado HB 17-1018 (2017A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Bob Gardner", "Diane Mitsch Bush", "Larry Liston"]
version_count: 8
action_count: 12
vote_count: 2
first_action: "2017-01-11T07:00:00+00:00"
last_action: "2017-03-01T07:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/9c596548-236c-4db1-890c-4275e1e27c1a"
source_url: "http://leg.colorado.gov/bills/hb17-1018"
source_hash: "f3fdca62fca1605453b890be94df46785f63b685cb580b0a06969e010ce6abaf"
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 17-1018 (2017A) — Extend Voter Approval Window For RTA Regional Transportation Authority Mill Levy

Current law authorizes a regional transportation authority to seek voter approval for a uniform mill levy of up to 5 mills on all taxable property within its territory, but the authorization is scheduled to repeal on January 1, 2019. The bill extends the authorization until January 1, 2029.

## 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/documents/2017a/bills/cr/2017A_HB1018_S_LG_001.pdf)
2. **Engrossed (01/30/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_1018_eng.pdf)
3. **Final Act (02/27/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_1018_enr.pdf)
4. **Introduced (01/11/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_1018_01.pdf)
5. **Reengrossed (01/31/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_1018_ren.pdf)
6. **Rerevised (02/21/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_1018_rer.pdf)
7. **Revised (02/17/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_1018_rev.pdf)
8. **Signed Act (03/01/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_1018_signed.pdf)

## Votes

- Refer House Bill 17-1018 to the Committee of the Whole. The motion passed on a vote of 10-3. — **10–3** (pass) · legislature
- Refer House Bill 17-1018 to the Committee of the Whole with a recommendation that it be placed on the consent calendar. The motion passed on a vote of 5-0. — **5–0** (pass) · legislature

## Sponsors

- Bob Gardner — primary (person)
- Diane Mitsch Bush — primary (person)
- Larry Liston — primary (person)

## Timeline

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

- **2017-03-01T07:00:00+00:00** Governor Signed `executive-signature`
- **2017-02-27T07:00:00+00:00** Sent to the Governor `executive-receipt`
- **2017-02-27T07:00:00+00:00** Signed by the President of the Senate
- **2017-02-27T07:00:00+00:00** Signed by the Speaker of the House
- **2017-02-21T07:00:00+00:00** Senate Third Reading Passed - No Amendments `reading-3, passage`
- **2017-02-17T07:00:00+00:00** Senate Second Reading Passed - No Amendments `reading-2`
- **2017-02-14T07:00:00+00:00** Senate Committee on Local Government Refer Unamended - Consent Calendar to Senate Committee of the Whole `committee-passage`
- **2017-01-31T07:00:00+00:00** Introduced In Senate - Assigned to Local Government `introduction`
- **2017-01-31T07:00:00+00:00** House Third Reading Passed - No Amendments `reading-3, passage`
- **2017-01-30T07:00:00+00:00** House Second Reading Passed - No Amendments `reading-2`
- **2017-01-25T07:00:00+00:00** House Committee on Transportation & Energy Refer Unamended to House Committee of the Whole `referral-committee, committee-passage`
- **2017-01-11T07:00:00+00:00** Introduced In House - 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/9c596548-236c-4db1-890c-4275e1e27c1a`. Confidence: reported (aggregated from official Colorado legislature records).