Surface Transportation Board Filing Hub
This hub provides official materials related to the accepted Union Pacific–Norfolk Southern application before the Surface Transportation Board (STB), including information from the April 30 refiling, along with a summary, white paper and the full application.
OMAHA & ATLANTA, (July 27, 2026) – Union Pacific and Norfolk Southern enhanced their merger application by offering customer protections that go beyond those provided in any prior rail merger. The new commitments are provided with the supplemental information requested by the Surface Transportation Board (STB) when it accepted the companies’ merger application as complete on May 28, 2026.
Featured Resources
Additional context supporting the joint application to the STB for the Union Pacific–Norfolk Southern combination, including its goals, benefits and public interest considerations.
Amended Application Guide
April 30, 2026
An overview of what’s new in the accepted application refiled April 30.
Fast Facts
Sept. 4, 2026
Get the facts about Union Pacific and Norfolk Southern’s accepted filing to the STB.
Download (PDF)
Executive Summary
April 30, 2026
An overview of the joint filing, outlining its purpose, key objectives and supporting rationale.
White Paper
April 30, 2026
Walk through the structure and key elements of the joint application, including where to find information on service, competition, public benefits and proposed commitments within the filing.
Download (PDF)
Supplemental Filings Guide
July 27, 2026
Get the facts on how Union Pacific and Norfolk Southern enhanced their merger application by offering customer protections that go beyond those provided in any prior rail merger.
Download (PDF)
Explore the Filing
Below are files that make up the joint application to the STB.
Application Volume 1: Supporting Information and Summary of Benefits
April 30, 2026
This volume provides an overview of the proposed transaction, including public interest considerations, competitive and financial analyses, employee impacts, anticipated public benefits and supporting exhibits
and verified statements.
Application Volume 2: Market Analysis and Operating Plans
April 30, 2026
This volume includes detailed analyses of competitive impacts, operating and service plans, safety integration measures, and how the proposed transaction would affect rail operations and service.
Application Volume 3: Statements in Support
April 30, 2026
This volume includes statements from shippers, government officials, and other stakeholders expressing support for the joint application and the proposed transaction.
Application Volume 4: Supporting Exhibits
April 30, 2026
This volume contains detailed exhibits submitted with the joint STB application, including materials addressing competition, operations, corporate structure and public interest considerations.
Request for Additional Information: Volume 1
July 7, 2026
This volume addresses the STB’s questions regarding control of Terminal Railroad Association of St. Louis (TRRA), Kansas City Terminal Railway (KCT) and TTX Company.
Request for Additional Information: Volume 2
July 27, 2026
This volume includes voluntary customer protections including new competitive opportunities, expanded customer protections, new service level protections and stronger oversight.
A Letter to the STB from Jim Vena
July 27, 2026
Union Pacific CEO Jim Vena's cover letter to the STB, submitted with Volume 2 of the supplemental filing on July 27, 2026.
Comments of Former Senior Antitrust Enforcers
August 12, 2026
Former antitrust officials and policy experts submitted this Amicus Brief to the STB on August 12, 2026.
Response Filing to Opponents’ Prima Facie Challenges
August 26, 2026
Union Pacific and Norfolk Southern filed this response to the STB, demonstrating that opponents’ prima facie challenges should be rejected. The railroads emphasized that the application more than meets the STB’s threshold requirements.
Estimated Path to Completion
Creating America’s first transcontinental railroad is overwhelmingly in the public interest and will enhance competition, consistent with the test that will be applied in the review of the transaction by the STB.
**Estimates based on STB precedent.