Canadian National Railway Asks Regulators to Block Union Pacific-Norfolk Southern Merger

Just one day after Union Pacific and Norfolk Southern announced their landmark merger proposal, rival carrier Canadian National Railway on May 11 formally called on federal regulators to reject the deal. The objection marks the first major challenge to a transaction that aims to create the first single-entity transcontinental railroad in the United States. The proposed merger, announced May 10, 2026, would combine Union Pacific’s vast western network with Norfolk Southern’s extensive operations in the east. The resulting company would operate over 50,000 miles of track across 43 states, a move the two railroads claim would streamline logistics, improve service reliability, and generate approximately $3.5 billion in annual savings for shippers by eliminating complex and time-consuming handoffs between separate carriers, particularly in congested hubs like Chicago. The prospect of a seamless coast-to-coast rail network is certainly compelling for any business managing a national supply chain. However, any move that consolidates market power to this degree warrants intense scrutiny, as reduced competition can have significant downstream effects on pricing and service availability for customers. In its filing with the Surface Transportation Board (STB), the federal body that must approve any railroad merger, Canadian National (CN) argued that the proposal from Union Pacific (UP) and Norfolk Southern (NS) fails to adequately address critical competition concerns. According to CN, an amended application submitted by the merging parties only resolves one of three major issues previously identified by the regulator. Furthermore, CN asserted that a proposed pricing program, which UP and NS have dubbed the “Committed Gateway Pricing program,” is insufficient to preserve a competitive market for shippers. From our experience, freight costs and carrier reliability are perennial challenges for small and mid-sized enterprises. When major players merge, the immediate fear is a loss of competitive tension that keeps prices in check and service levels high. Businesses that rely on rail access in markets with few alternatives could find themselves with less leverage and fewer options. This is precisely the kind of scenario where proactive supply chain optimization becomes critical, not just for efficiency, but for survival. Union Pacific and Norfolk Southern have anticipated such objections and have attempted to preemptively address the most direct anti-competitive impacts. Their application identifies nine specific customer locations, all in Illinois, that would see their rail options shrink from two carriers to one, or from three to two. As a remedy, UP has offered to grant overhead trackage rights to a rival Class I railroad for these affected customers, allowing them to maintain competitive service options. However, UP executives have drawn a firm line against broader concessions. The company has stated it will not agree to widespread line sales or extensive trackage rights as a condition of approval. According to filings, any STB mandate for a line sale, with the potential exception of a Kansas City to St. Louis route, would be considered an automatic trigger allowing UP to terminate the merger agreement. This stance underscores the delicate balance the railroads must strike between achieving the synergies that make the deal attractive and satisfying regulatory demands for a competitive marketplace. If the deal is scuttled, either by regulatory rejection or by the companies themselves due to onerous conditions, a significant termination fee could be involved. The merger agreement includes a clause allowing either party to walk away if the transaction is not closed by January 28, 2028, a date that could be extended if the STB’s review period is prolonged. Regardless of whether the STB approves, blocks, or modifies this deal, the proposal itself is a major signal for companies to re-evaluate their logistical dependencies. Understanding your current freight vulnerabilities and developing alternative strategies is a crucial risk management exercise. For businesses looking to build more resilient operations, the team at C&S Finance Group LLC at csfinancegroup.com can help analyze these complex supply chain challenges. The focus now shifts to the Surface Transportation Board, which will conduct a thorough review of the merger application, including the objections filed by Canadian National and potentially other stakeholders. The board will weigh the deal's purported public benefits, such as increased efficiency and service improvements, against the potential harm from reduced competition in the freight rail industry. A final decision is not expected for some time, as Union Pacific has stated it hopes to close the transaction in early 2027.