Colorado C-470 express lanes debt ratings affirmed at BBB with stable outlook

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C-470 express lanes debt rating

Highlights

Morningstar DBRS affirmed BBB ratings with Stable outlook on Colorado C-470 express lanes' Senior Revenue Bonds and TIFIA loan as of June 2026.
For 2025, transaction volume rose 13.2% and toll revenue climbed 15.9% year over year to $19.8 million, but both remained below original forecasts by 11.0% and 23.4%, respectively.
Through April 30, 2026, year-to-date toll revenue increased 20.8% year over year, with dynamic pricing and a 4.5% annual toll rate increase expected to start in fall 2026.

Revenue recovery supports rating decision

As reported by Morningstar DBRS, DBRS, Inc. confirmed the BBB credit ratings on the Senior Revenue Bonds and the TIFIA loan used to partially fund the Colorado Department of Transportation's C-470 express lanes project, with both trends remaining Stable.

The senior revenue bonds include three tranches, with $31.2 million maturing on Dec. 31, 2047, $50.5 million maturing on Dec. 31, 2051, and $80.1 million maturing on Dec. 31, 2056. The TIFIA loan matures on June 30, 2054.

The confirmation reflects continued growth in transaction volumes and pledged revenue after operations began during the height of the COVID-19 pandemic in 2020. For calendar year 2025, transaction volume rose 13.2% from a year earlier and toll revenue increased 15.9%, although both measures remained below the original forecast, by 11.0% and 23.4%, respectively.

Pledged revenue totaled $26.9 million in 2025, according to CTIO's Dec. 31, 2025, coverage certificate. That included $19.8 million in toll revenue, $6.6 million in civil penalty revenue, and $0.5 million in civil penalty interest.

Traffic risks remain despite enforcement gains

The borrower is the Colorado High-Performance Transportation Enterprise, a government-owned business within the Colorado Department of Transportation that now operates as the Colorado Transportation Investment Office, or CTIO. Morningstar DBRS says the project's ratings continue to benefit from CDOT's direct role, but remain constrained by uncertainty over managed-lane traffic volumes and the risk that usage underperforms projections.

Under the project's contractual structure, CDOT is responsible for operations, maintenance and lifecycle work on the corridor. If toll revenue is not enough to cover those obligations, CDOT ultimately would be responsible for any funding shortfall.

The project reached toll commencement on Aug. 18, 2020, but traffic has lagged its initial forecast because the roadway opened amid pandemic disruptions and commuter patterns later shifted under hybrid work schedules. CTIO's Express Lanes Safety Enforcement Program, launched in September 2023, is helping reduce revenue leakage by allowing civil penalties for illegal entry and exit movements in the express lanes.

Toll revenue continues to rise in 2026, helped by the enforcement program's deterrent effect. Through April 30, 2026, year-to-date toll revenue is up 20.8% from the same period in 2025, and CTIO is expected in the fall of 2026 to introduce dynamic pricing through its Next Generation Lane Tolling System, with toll rates expected to include a 4.5% annual increase tied to inflation and higher operating costs.

MSD Investment Corp.’s BBB rating affirmation was the focus of our earlier coverage, where we noted that the company’s credit quality was supported by a diversified $6.8 billion portfolio concentrated in senior secured first-lien loans and strong performance across its holdings. We also highlighted its solid liquidity and a more diversified funding mix, alongside moderate leverage and the key downside risks that could pressure the rating in a weaker economic environment.

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