Last Updated July 7, 2026.
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*Denotes litigation in which ARTBA is a participant.
Case NameSummaryStatusLast Significant Action DateLast Significant Action DescriptionCase Filed
Metropolitan Transportation Authority v. DuffyThe Metropolitan Transportation Authority (MTA), Triborough Bridge and Tunnel Authority (TBTA), New York State Department of Transportation, and New York City Department of Transportation sued the U.S. Department of Transportation and Secretary Sean Duffy after USDOT rescinded federal approval of New York City's congestion pricing program under the Value Pricing Pilot Program (VPPP). Plaintiffs alleged the rescission exceeded USDOT's statutory authority, violated the Administrative Procedure Act, and unlawfully threatened to withhold federal transportation funding to force New York to terminate the program. Plaintiffs sought declaratory and injunctive relief restoring the federal approval and preventing USDOT from interfering with the program.Closed. Final judgment entered for plaintiffs.03/03/2026The district court granted plaintiffs' motion for partial summary judgment, held that USDOT lacked statutory authority to unilaterally terminate approval of New York's congestion pricing program, denied the government's cross-motion in substantial part, and entered judgment for plaintiffs on their principal claims.02/19/2025
Metropolitan Transportation Authority v. United StatesThe Metropolitan Transportation Authority filed suit against the United States in the U.S. Court of Federal Claims. The action appears to arise from a dispute over federal transportation funding or grant obligations. The publicly available docket does not disclose the complaint or provide sufficient detail to characterize the specific legal claims.Pending.06/29/2026Public docket reflects filings through 06/29/2026. The complaint and several substantive filings are not publicly available, so the nature of the most recent substantive action cannot be confirmed from the public record.03/17/2026
State of California et al. v. United States Department of TransportationA coalition of states led by California sued USDOT challenging the Department's "Immigration Enforcement Condition" (IEC), which required recipients of federal transportation funding to cooperate with federal civil immigration enforcement. Plaintiffs alleged the condition exceeded DOT's statutory authority, violated the Administrative Procedure Act, violated the Spending Clause, and unlawfully conditioned billions of dollars in transportation funding on compliance with an unrelated federal policy.Closed. Final judgment entered for plaintiffs; appeal voluntarily dismissed.01/13/2026The U.S. Department of Justice voluntarily dismissed its appeal of the district court's judgment. The district court's November 4, 2025 order declaring the Immigration Enforcement Condition unlawful, vacating it from all DOT grant agreements, and permanently enjoining its enforcement therefore remains in effect.05/13/2025
Chicago Transit Authority v. United States Department of TransportationThe Chicago Transit Authority (CTA) sued USDOT, the Federal Transit Administration (FTA), and the United States after the federal government froze approximately $3.1 billion in previously awarded transit grants for the Red Line Extension and Blue Line modernization projects. CTA alleges the funding freeze violates the Administrative Procedure Act because it is arbitrary, capricious, contrary to law, and exceeds the agencies' statutory authority. CTA also alleges the freeze constitutes unlawful political retaliation and seeks declaratory and injunctive relief requiring USDOT and FTA to resume processing and disbursing grant funds.Pending.04/17/2026CTA filed its motion for a preliminary injunction seeking to require USDOT and FTA to resume processing and disbursing federal transit grant funds while the litigation proceeds. The court had previously granted CTA's motion for a temporary restraining order on 03/24/2026 and later extended that relief pending resolution of the preliminary injunction.03/20/2026
Climate Solutions et al. v. United States Department of TransportationClimate Solutions, the Sierra Club, and the Natural Resources Defense Council sued USDOT and FHWA challenging the agencies' freeze of the Charging and Fueling Infrastructure (CFI) Program established by the Infrastructure Investment and Jobs Act (IIJA). Plaintiffs allege that USDOT's refusal to obligate and disburse congressionally appropriated CFI funds violates the Administrative Procedure Act, the constitutional separation of powers, the Take Care Clause, and exceeds the agencies' statutory authority. Plaintiffs seek declaratory and injunctive relief requiring USDOT and FHWA to resume administering the CFI Program.Pending.02/02/2026The court issued a Joint Status Report Order directing the parties to confer and file a joint status report and discovery plan by 03/30/2026. No ruling has been issued on the merits of plaintiffs' claims.12/16/2025
State of California et al. v. United States Department of TransportationCalifornia and a coalition of states sued the U.S. Department of Transportation challenging the Department's new "Immigration Enforcement Condition" (IEC), which conditioned federal transportation funding on state cooperation with federal civil immigration enforcement. Plaintiffs allege the condition exceeds DOT's statutory authority, violates the Administrative Procedure Act, violates the Spending Clause, and unlawfully coerces states by threatening the loss of billions of dollars in transportation funding.Final judgment entered for plaintiffs; government's appeal dismissed. The district court permanently enjoined DOT from enforcing the Immigration Enforcement Condition, and the federal government later voluntarily dismissed its appeal.01/13/2026The U.S. Department of Justice voluntarily dismissed its appeal of the district court's November 4, 2025 summary judgment and permanent injunction. As a result, the district court's order vacating the Immigration Enforcement Condition and permanently enjoining its enforcement remains in effect.05/13/2025
State of California v. United States Department of TransportationCalifornia sued the U.S. Department of Transportation and the Federal Motor Carrier Safety Administration (FMCSA) after FMCSA terminated more than $33 million in federal grant funding for California's commercial vehicle safety programs. California alleged the funding termination violated the Administrative Procedure Act because it was arbitrary, capricious, contrary to law, and exceeded the agency's statutory authority. The state sought declaratory and injunctive relief restoring the grant funding.Closed. Plaintiff voluntarily dismissed the case without prejudice on March 6, 2026.03/06/2026California filed a notice of voluntary dismissal without prejudice, and the court terminated the case the same day. The public docket does not indicate that the court ruled on the merits of California's APA claims before dismissal.12/12/2025
California High-Speed Rail Authority v. United States Department of TransportationThe California High-Speed Rail Authority sued USDOT and the Federal Railroad Administration after FRA terminated more than $4 billion in previously awarded federal grant funding for California's high-speed rail project. The Authority alleged the funding termination violated the Administrative Procedure Act because it was arbitrary, capricious, contrary to law, and exceeded the agencies' statutory authority. The Authority sought declaratory and injunctive relief restoring the grants and preventing the federal government from reallocating the funds.Closed. Plaintiff voluntarily dismissed the case without prejudice on December 23, 2025, after announcing it would pursue private financing rather than continue the litigation.12/23/2025The California High-Speed Rail Authority voluntarily dismissed its lawsuit. Earlier in the month, the district court had denied the federal government's motion to dismiss, allowing the APA claims to proceed, but the Authority elected to end the litigation and pursue alternative financing for the project.07/17/2025
City of Shoreline v. United States Department of TransportationThe City of Shoreline sued USDOT alleging the agency unlawfully imposed new grant conditions on its previously awarded RAISE transportation grant. The City argues the conditions exceed DOT's statutory authority, violate the Administrative Procedure Act and the Spending Clause, and unlawfully threaten congressionally appropriated transportation funding.Pending in the U.S. District Court for the Western District of Washington.07/02/2026Court granted the parties' stipulated motion extending the deadline for defendants to provide notice and file a status report from July 2 to July 8, 2026.04/17/2026
Learning Resources, Inc. v. TrumpPlaintiffs sued the administration alleging tariffs imposed under IEEPA exceeded statutory authority; the Supreme Court held on February 20, 2026 that IEEPA does not authorize the President to impose tariffs.SCOTUS decision issued.02/20/2026Court held that IEEPA does not authorize the President to impose tariffs, invalidating the challenged tariffs.03/25/ 2024
State of New Jersey et. al. v. United States Department of Transportation (District Court)New Jersey and New York sued USDOT after the agency suspended previously obligated federal funding for the Hudson Tunnel Project. The states alleged the suspension violated the Administrative Procedure Act and federal grant regulations. The district court initially entered a temporary restraining order restoring funding and later granted final relief, vacating the funding suspension and permanently enjoining USDOT from withholding or recovering funds based on that suspension.Final judgment entered for plaintiffs; appealed.06/29/2026Court entered final judgment vacating USDOT's funding suspension and permanently enjoining the agency from relying on it to withhold previously awarded Gateway funding.09/30/2025
Mid-America Milling Company v. U.S. Department of Transportation Non-DBE plaintiffs sued USDOT stating that the DBE program was unconstitutional. Case dismissed.03/19/2026Judge issued order dismissing case as not ripe.10/26/23

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