The most consequential thing on the federal construction docket this week is a request for information almost nobody has written up.
USDOT published a notice Tuesday opening public comment on America’s Great Corridors of Commerce, a Build America Bureau program that would put electrical transmission, water pipelines, fiber and rural broadband into dedicated bored channels beneath highway and rail rights-of-way. Comments are due September 12 under docket DOT-OST-2026-3269. That’s a 25-day window, which tells you how fast the Department wants to move.
A New Counterparty Called the Corridor Manager
The model is voluntary and applicant-driven. A highway or rail right-of-way owner nominates a corridor. A private concessionaire, which the notice calls a Corridor Manager, is procured to “design, build, finance, operate and maintain dedicated sub-surface channels (e.g., via boring or tunneling) and associated infrastructure,” typically for 30 to 50 years. The Corridor Manager then acts as business developer, leasing the space to utilities for annual payments.
That’s a genuinely new project type. Long-linear boring and tunneling packages, delivered under P3, with a private concessionaire as the counterparty rather than a state DOT. Different bonding, different financing, different risk allocation. Compare it to a conventional federally funded rail crossing like the Connecticut River Bridge replacement, where Amtrak is both owner and counterparty. The firms that assemble the first Corridor Manager teams will set the template everyone else bids against.
The Asset Base and the Argument
DOT cites 160,000 centerline miles of the National Highway System and 140,000 route miles of the U.S. freight rail network. The notice argues that utility colocation in rights-of-way already happens but is “typically assessed and executed on a case-by-case basis without a comprehensive and strategic commercial, technical, and financial plan,” a fragmented process that “restricts the ability to scale efforts effectively.”
The claimed benefits are shared trenching and tunneling, standardized engineering protocols, consolidated procurement, minimal new right-of-way acquisition, and recurring lease revenue reinvested in the networks. The Secretary would lead an interagency task force offering what the notice calls concierge technical assistance to designated corridors. There’s also an explicit siting play: DOT wants to pull data centers, manufacturing and distribution hubs toward these corridors on a plug-and-play model, using noise-affected adjacent land that has little other use.
The NEPA Claim Is What to Watch
Here is the sentence the whole program rests on. DOT states that these projects “will most likely fall under one or multiple Categorical Exclusions,” on the reasoning that work happens largely within existing transportation right-of-way with limited environmental disturbance, and frames them as brownfield rather than greenfield development.
That is a large NEPA assertion to plant in an RFI. If it holds, siting timelines for transmission and fiber collapse from years to months, which is the actual value proposition here. If it gets litigated, the model stalls before the first bore.
Utility contractors, boring and tunneling specialists, and P3 developers should be filing comments. The notice contains no named-official statement and no corridors have been designated. Morteza Farajian, executive director of the Build America Bureau, is the listed contact.