Transurban shares: I-24 Nashville project secures $21b TDOT deal

Transurban shares spotlighted as $21b I-24 Nashville deal reaches commercial close, with new revenue-sharing and funding details.

The Transurban Group (ASX: TCL) share price may be in focus after the company announced commercial close of the I‑24 Choice Lanes Project in Nashville, Tennessee, confirming US$21 billion in present value payments to TDOT, plus a revenue-sharing agreement if the project outperforms its base case.

Many cars travel on a busy six lane road way with other cars in the background travelling in the opposite direction.

Image source: Getty Images

What did Transurban report?

  • US$21 billion present value in payments to Tennessee Department of Transportation (TDOT) over the concession life
  • US$7.7 billion in construction period payments between 2027 and 2033
  • Revenue-sharing mechanism with TDOT starts if returns exceed base case
  • Maximum leverage capped at 75% debt to 25% equity, as per TIFIA term sheet
  • Toll-rate sharing with TDOT for per-mile tolls above US$3.20 (in 2025 dollars)

What else do investors need to know?

The I‑24 Choice Lanes Project, reached through the DriveTN Consortium, marks Transurban's latest major move in the US managed lanes market. The concession agreement ensures that all construction and operating payments to TDOT maintain investment-grade status, and payments beyond a threshold will be discounted at a higher rate.

Transurban expects to use its existing balance sheet capacity to fund its equity share over time. The group's final gearing and capital structure will be set at financial close, expected on or before July 2027. The deal also meets strict compliance requirements under the TIFIA funding term sheet.

What's next for Transurban?

With commercial close now achieved, Transurban will progress to financial close in 2027. The company has committed to making the agreed payments over the duration of the concession and has structured revenue-sharing for scenarios where project returns exceed expectations.

This project demonstrates Transurban's strategy to grow its managed lanes portfolio in the US, leveraging existing financing and operational expertise. Investors will be watching for updates around financial close and capital deployment in the coming year.

Transurban share price snapshot

Over the past 12 months, Transurban shares have declined 8%, trailing the S&P/ASX 200 Index (ASX: XJO), which has fallen 2% over the same period.

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Motley Fool contributor Laura Stewart has no position in any of the stocks mentioned. The Motley Fool Australia's parent company Motley Fool Holdings Inc. has positions in and has recommended Transurban Group. The Motley Fool Australia has positions in and has recommended Transurban Group. The Motley Fool has a disclosure policy. This article contains general investment advice only (under AFSL 400691). Authorised by Scott Phillips. This article was prepared with the assistance of Large Language Model (LLM) tools for the initial summary of the company announcement. Any content assisted by AI is subject to our robust human-in-the-loop quality control framework, involving thorough review, substantial editing, and fact-checking by our experienced writers and editors holding appropriate credentials. The Motley Fool Australia stands behind the work of our editorial team and takes ultimate responsibility for the content published by The Motley Fool Australia.

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