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HR 6435
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Transportation Megaprojects Accountability and Oversight Act

To amend title 23, United States Code, to establish additional requirements for certain transportation projects with estimated costs of $2,500,000,000 or more, and for other purposes.

Introduced Dec 4, 2025

Latest action (Feb 2, 2026) Referred to the Subcommittee on Highways and Transit.

Summary

The Transportation Megaprojects Accountability and Oversight Act establishes new oversight requirements for transportation projects costing $2.5 billion or more. Projects receiving federal funding must submit a comprehensive risk management plan, establish an independent peer review group of at least five experts to meet annually and review project scope and budget, and publish information about supervising engineers and peer review findings on their websites. The bill also requires the Department of Transportation to arrange with the National Academies' Transportation Research Board to convene a megaprojects committee to study existing megaproject issues, review foreign experience, and recommend improvements to federal oversight and funding approaches. The new requirements apply to projects authorized for construction one year after the bill's enactment.

AI-generated plain-language summary of the bill text — neutral, and may be imperfect. See the full text below for the exact wording.

Sponsor (1)

Money behind the sponsor

Top reported contributors to Mark Desaulnier’s campaign committee (2024 cycle) — who funds the bill’s sponsor, not a claim about this bill. Data from FEC.

  • TOWNSEND PUBLIC AFFAIRS $6,600
  • SIGNATURE HOMES $6,600
  • MACKENZIE CAPITAL $6,600
  • ACTIVEHOURS INC. $6,000
  • NULL $5,000

Organizations whose employees gave the most — itemized individual contributions grouped by the donor’s reported employer (FEC Schedule A). Full finance for Mark Desaulnier → · Outside spending →

Actions (3)

  1. Feb 2, 2026 Referred to the Subcommittee on Highways and Transit. · house
  2. Dec 4, 2025 Referred to the House Committee on Transportation and Infrastructure. · house
  3. Dec 4, 2025 Introduced in House

Similar bills (6)

Bills with similar text or summary — includes reintroductions across Congresses. Ranked by semantic similarity of the bill text (computed locally); a neutral discovery aid, not a claim the bills are duplicates.

Full text

IN THE HOUSE OF REPRESENTATIVES

December 4, 2025

Mr. DeSaulnier (for himself and Mr. LaMalfa) introduced the following bill; which was referred to the Committee on Transportation and Infrastructure

A BILL

To amend title 23, United States Code, to establish additional requirements for certain transportation projects with estimated costs of $2,500,000,000 or more, and for other purposes.

Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled,

SECTION 1. SHORT TITLE.

This Act may be cited as the “Transportation Megaprojects Accountability and Oversight Act”.

SEC. 2. ADDITIONAL REQUIREMENTS FOR CERTAIN TRANSPORTATION PROJECTS.

(a) In General.—Section 106 of title 23, United States Code, is amended by adding at the end the following:

“(k) Megaprojects.—

“(1) Megaproject defined.—In this subsection, the term ‘megaproject’ means a project that has an estimated total cost of $2,500,000,000 or more, and such other projects as may be identified by the Secretary.

“(2) Comprehensive risk management plan.—A recipient of Federal financial assistance under this title for a megaproject shall, in order to be authorized for construction, submit to the Secretary a comprehensive risk management plan that contains—

“(A) a description of the process by which the recipient will identify, quantify, and monitor the risks that might result in cost overruns, project delays, reduced construction quality, or reductions in benefits with respect to the megaproject;

“(B) examples of mechanisms the recipient will use to track risks identified pursuant to subparagraph (A);

“(C) a plan to control such risks; and

“(D) such assurances as the Secretary considers appropriate that the recipient will, with respect to the megaproject—

“(i) regularly submit to the Secretary updated cost estimates; and

“(ii) maintain and regularly reassess financial reserves for addressing known and unknown risks.

“(3) Peer review group.—

“(A) In general.—A recipient of Federal financial assistance under this title for a megaproject shall, not later than 90 days after the date when such megaproject is authorized for construction, establish a peer review group for such megaproject that consists of at least 5 individuals (including at least 1 individual with project management experience) to give expert advice on the scientific, technical, and project management aspects of the megaproject.

“(B) Membership.—

“(i) In general.—Not later than 180 days after the date of enactment of this subsection, the Secretary shall establish guidelines describing how a recipient described in subparagraph (A) shall—

“(I) recruit and select members for a peer review group established under such subparagraph; and

“(II) make publicly available the criteria for such selection and the identity of members so selected.

“(ii) Conflict of interest.—No member of a peer review group for a megaproject may have a direct or indirect financial interest in such megaproject.

“(C) Tasks.—A peer review group established under subparagraph (A) by a recipient of Federal financial assistance for a megaproject shall—

“(i) meet annually until completion of the megaproject;

“(ii) not later than 90 days after the date of the establishment of the peer review group and not later than 90 days after the date of any significant change, as determined by the Secretary, to the scope, schedule, or budget of the megaproject, review the scope, schedule, and budget of the megaproject, including planning, engineering, financing, and any other elements determined appropriate by the Secretary; and

“(iii) submit a report on the findings of each review under clause (ii) to the Secretary, Congress, and the recipient.

“(4) Transparency.—A recipient of Federal financial assistance under this title for a megaproject shall publish on the internet website of such recipient—

“(A) the name, license number, and license type of each engineer supervising an aspect of the megaproject; and

“(B) the report submitted under paragraph

(3)(C)(iii), not later than 90 days after such submission.

“(5) Committee.—

“(A) In general.—Not later than 180 days after the date of enactment of this subsection, the Secretary of Transportation shall make appropriate arrangements with the Transportation Research Board (hereinafter referred to as the ‘Board’) of the National Academies under which the Board shall convene a transportation megaprojects committee.

“(B) Duties.—The transportation megaprojects committee convened pursuant to subparagraph (A) shall—

“(i) perform a literature search and assessment of existing megaproject studies;

“(ii) review any relevant foreign experience and actions taken, with a particular focus on the United Kingdom and France;

“(iii) identify recurring or typical problems with megaprojects;

“(iv) outline possible approaches to dealing with the problems in the Federal and State context; and

“(v) recommend any changes in the Department of Transportation’s approach to megaproject funding and oversight, such as a recommendation that each project be required to identify a peer group to work with project management and report to the Inspector General and Congress.

“(C) Report.—Not later than 3 years after the date of enactment of this subsection, the committee convened pursuant to subparagraph (A) shall submit to the Secretary, the Committee on Transportation and Infrastructure of the House of Representatives, and the Committee on Environment and Public Works of the Senate a report containing any results, findings, and recommendations made by the committee under subparagraph (B).”.

(b) Applicability.—The amendment made by subsection (a) applies with respect to projects that are authorized for construction on or after the date that is 1 year after the date of enactment of this Act. <all>

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