Colorado Connector plan: 2029 starter trains and a possible Nov. 2026 sales-tax vote
Denver-area residents will see a 2029 starter rail plan—and a possible Nov. 2026 sales-tax vote—if Colorado Connector’s board advances funding.
Colorado’s Front Range passenger rail project, branded “Colorado Connector” (CoCo), has moved from broad concept to delivery planning—and Denver-area residents will likely see both a near-term “Starter Service” idea and a separate, potentially taxpayer-funded decision later.
The draft approach CoCo is describing separates what could be built first from what would depend on future funding and a ballot question, raising immediate questions about when trains could start and who would be asked to pay for expanded service.
Starter Service (targeted for 2029): 3 daily round trips and 8 stops
In its official planning materials, CoCo says the first phase—called Starter Service—is targeted to begin in 2029 with three daily round trips between Fort Collins and Denver. The plan describes it as stopping at eight stations, including Denver Union Station:
- Denver Union Station
- Westminster
- Broomfield
- Louisville
- Boulder
- Longmont
- Loveland
- Fort Collins
CoCo describes Union Station as the network’s hub, designed to connect riders to other transit options (including RTD and Amtrak). The FAQ also says Starter Service would be built via existing commitments, so no new tax is required to begin in 2029.
Full Service would come later—and would depend on new funding
CoCo’s phased plan makes a point of separating Starter Service from later expansion. The official phases page says Phase 2 “Full Service” would be ready in 2032, funded with a potential new tax.
It also describes the expansion as:
- Adding five additional stations: Littleton, Sterling Ranch, North Colorado Springs, Colorado Springs, and Pueblo
- With 2 round trips for the expanded portion
In later buildout descriptions, CoCo also says frequency could increase—up to 10 round trips a day between Fort Collins and Denver Union Station, and 8 round trips a day between Denver Union Station and Pueblo.
The potential November 2026 sales-tax vote: 0.333% and $295 million/year (estimate)
Reporting tied to the draft delivery planning describes a possible November 2026 ballot measure connected to the next phases of service.
- Rate: Axios reports the district is proposing a 0.333% tax hike.
- Where it would apply: Axios reports the tax would apply to communities within five miles of a station.
- Expected revenue: Axios reports the measure would generate $295 million a year (as described in the proposal narrative).
Colorado Public Radio, interviewing district leadership, also described the same 0.333 sales-tax concept (one-third of a cent on a dollar purchase), and said the vote would be limited to communities where contemplated, permanent stations are planned.
Key dates Denver residents can track
- July 31, 2026: Axios reports the passenger rail district board is anticipated to consider the plan.
- August 28, 2026: Axios and CPR both report the board would vote on referring the tax measure to the November ballot.
- November 2026: If referred, voters in the district would decide on the sales-tax question.
Colorado Sun reporting describes the board’s late-August decision as the trigger for whether the tax question moves forward to voters.
What SB26-172 changes in plain language (who gets to vote, and why)
For readers trying to understand how Colorado puts district-level taxes on ballots, the state’s Front Range Passenger Rail District law (SB26-172) provides the framework. The bill summary notes that the act allows the district to create subdistricts—and that when a subdistrict takes action to establish or increase a tax (or create certain multi-year debt), it must be submitted to a vote of the registered electors of that subdistrict.
SB26-172’s summary also says that before submitting a tax question, the district or subdistrict must certify it has made every reasonable effort to secure federal, state, or special-purpose funding.
Bottom line for Denver riders
CoCo’s draft materials put a 2029 “starter” concept on the map for Denver Union Station—described as three daily round trips and eight stations, built via existing commitments. But the larger expansion and potentially higher frequency service are framed as separate phases that would be tied to a future funding decision—including a possible November 2026 sales-tax ballot measure if the district board advances it.
Sources
- Colorado Connector FAQ (official project overview)
- Axios (Colorado Connector draft plan; proposed sales tax mechanics and board timing)
- The Colorado Sun (potential November 2026 sales-tax vote linked to the draft plan)
- Colorado Public Radio (public-media explainer on CoCo timeline and sales-tax concept)
- Colorado General Assembly: SB26-172 (Front Range Passenger Rail District law background)
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