STB
SurfaceView All Filings and Decisions
To find all filings and decisions in the UP-NS merger docket, please visit the Search STB Records page, select “Filings” or “Decisions” in the “Search For” dropdown, select “FD” in the first Docket Number box, enter “36873” in the second Docket Number box, and click Search.
Submit a Filing
To submit a comment to be considered by the Board in this proceeding, please visit the Formal Filings portal. Please indicate Docket FD 36873 on your submission and follow the instructions for serving all parties of record with your filing.
Union Pacific Corporation—Control—Norfolk Southern Corporation, Docket No. FD 36873
Selected Filings and Decisions
• Board Decision, December 19, 2025. This decision invites public comment on the application’s completeness under 49 CFR 1180. Comments on completeness are due December 29, 2025. Applicants’ reply to comments is due January 2, 2026 at noon EST.
> UP-NS Major Merger Application, December 19, 2025.
• Board Decision, September 26, 2025. This decision invites public written comments on the Board’s proposed procedural schedule.
• Board Decision, August 28, 2025. This decision provides notice that the Board has received a prefiling notification of intent to merge from UP and NS; finds that the proposed transaction is a major merger transaction; and requires the Applicants to file certain additional information in advance of the filing of an application.
• Board Decision, August 25, 2025. This decision directs the Applicants to provide to the Board their 100% traffic tapes for 2019 through 2024.
> Notice of Intent to File Application, July 30, 2025.
Statutes and Regulations
Statutes: 49 U.S.C §§ 11321 to 11328
Regulations: 49 CFR Part 1180
Past Agency Decisions
Major Rail Consolidation Procedures
Final Rule in Major Rail Consolidation Procedures, EP 582 (Sub-No. 1) (STB served June 11, 2001)
Notice of Proposed Rulemaking in Major Rail Consolidation Procedures, EP 582 (Sub-No. 1) (STB served October 3, 2000)
Advance Notice of Proposed Rulemaking in Major Rail Consolidation Procedures, EP 582 (Sub-No. 1) (STB served March 31, 2000)
Board Decision in Public Views on Rail Consolidations, EP 582 (STB served March 17, 2000)
Major Merger Decisions
Board Approval in Canadian Pacific Railway—Control—Kansas City Southern, FD 36500 et al. (STB served March 15, 2023) (under earlier regulations)
Board Approval in Canadian National Railway—Control—Illinois Central Corporation, 4 S.T.B. 122 (1999) (May 21, 1999) (under earlier regulations)
Board Approval in CSX Corporation—Control & Operating Leases/Agreements—Conrail Inc., 3 S.T.B. 196 (1998) (July 20, 1998) (under earlier regulations)
Board Approval in Union Pacific Corporation—Control & Merger—Southern Pacific Rail Corporation, 1 S.T.B. 233 (1996) (August 6, 1996) (under earlier regulations)
ICC Approval in Burlington Northern Inc.—Control & Merger—Santa Fe Pacific Corporation, 10 I.C.C.2d 661 (1995) (August 16, 1995) (under earlier regulations)
Relevant Historical Press Releases
PR 01-24, Surface Transportation Board Issues New Rules Governing Major Railroad Mergers & Consolidations (June 11, 2001)
PR 00-39, Surface Transportation Board Issues Notice of Proposed Rulemaking on New Rules for Major Railroad Mergers (October 3, 2000)
PR 00-19, Surface Transportation Board Seeks Public Comment on Changes to Its Regulations Governing Proposals For Major Rail Consolidations (March 31, 2000)