Association of American Railroads v. District of Columbia Department of Energy and Environment

Court

District Court, District of Columbia (D.D.C.)
Official Court Website →

Docket number

1:26-cv-01079

Cause

28:1331 Fed. Question
28 U.S.C. § 1331 — Federal question jurisdiction

Nature of suit

950 Constitutional - State Statute
Challenges to the constitutionality of a state statute.

Jurisdiction

Federal Question

Jury demand

None

Date filed

03/30/2026

868 Other Civil cases in this court are indexed here.

Parties

• plaintiff · Association of American Railroads · 15 cases
• defendant · District of Columbia Department of Energy and Environment

• #1 · Complaint Against All Defendants Filed by Association of American Railroads. (Dupree, Thomas)
  • Civil Cover Sheet
  • Summons Doee
  • Summons Jackson
  03/30/2026 · 17 pp View →
• #1 · Complaint Against All Defendants Filed by Association of American Railroads. (Dupree, Thomas)
  • Civil Cover Sheet
  • Summons Doee
  • Summons Jackson
  03/30/2026 · 2 pp Request Document
• #1 · Complaint Against All Defendants Filed by Association of American Railroads. (Dupree, Thomas)
  • Civil Cover Sheet
  • Summons Doee
  • Summons Jackson
  03/30/2026 · 2 pp Request Document
• #1 · Complaint Against All Defendants Filed by Association of American Railroads. (Dupree, Thomas)
  • Civil Cover Sheet
  • Summons Doee
  • Summons Jackson
  03/30/2026 · 2 pp Request Document
• #2 · LCvR 26.1 Certificate of Disclosure of Corporate Affiliations and Financial Interests by Association of American Railroads (Dupree, Thomas) 03/30/2026 Request Document
• #3 · Notice of Appearance 03/30/2026 Request Document
• Notice of Error- New Case 03/31/2026 Request Document
• Case Assigned/Reassigned 03/31/2026 Request Document
• #4 · Summons Issued Electronically 03/31/2026 Request Document
• #5 · Order 03/31/2026 Request Document
• #6 · Request for Summons to Issue 03/31/2026 Request Document
• #7 · Summons Issued Electronically as to DC Attorney General, Mayor and DC Defendnat 04/01/2026 Request Document
• Order on Motion for Extension of Time to File Response/Reply and Set/Reset Deadlines 04/17/2026 Request Document
• #8 · Extension of Time to File Response/Reply 04/17/2026 Request Document
• #9 · Notice of Appearance 04/29/2026 Request Document
• #10 · Summons Returned Executed as to DC Government Defendant 05/05/2026 Request Document
• #11 · Summons Returned Executed as to DC Government Defendant 05/05/2026 Request Document
• Summons Returned Executed as to DC Attorney General and Summons Returned Executed as to Mayor for DC 05/11/2026 Request Document
• #13 · Answer to Complaint 05/29/2026 Request Document
• #14 · Order and ~Util - Set/Reset Hearings 05/29/2026 Request Document
• Order on Motion for Briefing Schedule and Order on Motion to Vacate and Set/Reset Deadlines 06/04/2026 Request Document
• #15 · Briefing Schedule and Vacate 06/04/2026 Request Document
• #16 · Notice of Appearance 06/05/2026 Request Document
• #17 · Summary Judgment 06/29/2026 Request Document

These are public U.S. federal court records. Filings already in the free RECAP archive can be viewed at no charge; “Request document” retrieves a copy from PACER on your behalf for a convenience fee. The same records are available directly from PACER and the court.

Part of a Larger Litigation Pattern

This is one of 2 Other Civil cases in our index naming DISTRICT OF COLUMBIA DEPARTMENT OF ENERGY AND ENVIRONMENT — a possible mass-tort or coordinated-litigation cluster.

About Other Civil Lawsuits

These are federal civil cases that do not fall under a more specific nature-of-suit category.

Frequently Asked Questions

What is Association of American Railroads v. District of Columbia Department of Energy and Environment?

Association of American Railroads v. District of Columbia Department of Energy and Environment is a federal other civil lawsuit filed on 03/30/2026 in the District Court, District of Columbia. The case is currently open in the federal court system. These are federal civil cases that do not fall under a more specific nature-of-suit category.

What type of case is this?

It is classified as “Other Civil” under the federal nature-of-suit system. These are federal civil cases that do not fall under a more specific nature-of-suit category.

What court is the case in?

The case is in the District Court, District of Columbia, docket number 1:26-cv-01079.

When was the case filed?

Association of American Railroads v. District of Columbia Department of Energy and Environment was filed on 03/30/2026. The case is currently open.

What law is the case brought under?

The docket lists the cause as 28 U.S.C. § 1331 — Federal question jurisdiction.