Surface Transportation Board Filing Hub
This hub provides official materials related to the accepted Union Pacific–Norfolk Southern STB 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 7, 2026) – Union Pacific and Norfolk Southern submitted the first portion of their responses to the Surface Transportation Board’s (STB) May 28, 2026, request for additional information to support their accepted merger application. The filing addresses the STB’s questions regarding Terminal Railroad Association of St. Louis (TRRA), Kansas City Terminal Railway (KCT) and TTX Company. The additional information continues to reinforce the combination will enhance competition, strengthen the nation’s supply chain and deliver broad public benefits.
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.
Fast Facts
Get the facts about Union Pacific and Norfolk Southern’s accepted filing to the STB.

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Executive Summary
An overview of the joint filing, outlining its purpose, key objectives and supporting rationale

White Paper
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.

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Explore the Filing
Below are four files that make up the joint application to the STB.
Application Volume 1: Supporting Information and Summary of Benefits
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
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
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
This volume contains detailed exhibits submitted with the joint Surface Transportation Board application, including materials addressing competition, operations, corporate structure and public interest considerations.
Request for Additional Information: Volume 1
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.
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.

