Introduction
The proposed merger between Union Pacific and Norfolk Southern is framed by the applicants as a fundamentally different form of rail consolidation—one intended to expand competition, improve service, and drive freight growth rather than restrict shipper options.
The nearly 7,000-page application repeatedly advances a single organizing principle: interchange friction is a structural constraint on rail competitiveness, and eliminating it through an end-to-end network unlocks public-interest benefits.*⁴ Whether that principle holds depends not only on contractual commitments, but on whether the merged entity demonstrates the operational ambition necessary to deliver measurable improvements.
Industry veterans note that train speeds have remained largely flat since the 1990s, even after major end-to-end mergers. FRA velocity data and post-merger oversight records show that consolidation alone has not produced faster cycle times. Improvements have come only when railroads explicitly prioritize crew availability, balanced power, and disciplined asset management.
What the Merger Is: A Single-Line Railroad Through the “Watershed”
At the center of the filing is the claim that the UP–NS combination will convert approximately 10,000 interline lanes into single-line routings, particularly across the national “watershed” interchange region (Chicago, St. Louis, Memphis, and Mississippi River gateways).*¹⁻⁵
The application asserts that removing unnecessary interchanges improves velocity, reliability, and equipment utilization while creating service options not available under the current network structure.
The framing is critical: the applicants are not proposing incremental service improvement—they are arguing that interline itself is a systemic inefficiency that suppresses rail’s ability to compete with truck.
Yet historical precedent suggests caution. Previous mergers intended to reduce interchanges, including UP/SP and CPKC, did not generate sustained velocity improvements.*⁶ Service gains have proven dependent on management priorities, not structural consolidation.
What It Could Mean: Growth, Truck Diversion, and a New Competitive Baseline
The applicants project that the combined network will generate 1.5 million new rail units, including more than 2 million annual truckload diversions.*²⁻⁷ This diversion is central to the public-benefit rationale.
The transaction is described as traffic-generative, improving rail’s modal competitiveness rather than reallocating existing rail volumes.
However, industry experts emphasize that diversion on this scale requires demonstrated cycle-time improvement, something past mergers have generally failed to deliver. In every modern case, service improved only when railroads chose to improve it — not because a merger made it inevitable.
This distinction underpins the merger’s justification. However, it also raises a central policy question: how competitive discipline is maintained when a single carrier controls the end-to-end move.
Competitive Access: Gateways, Transparency, and Industry Concerns
To address competitive-harm concerns, UP and NS propose:
- Open gateways on commercially reasonable terms
- Written justification for above-inflation interline rate increases during oversight
- Monthly gateway reporting
- Gateway commitments binding in perpetuity*⁸⁻¹⁰
The application states that the merged railroad will not close gateways or degrade access in a manner that reduces competitive options for shippers or connecting carriers.
Despite these assurances, competing carriers remain skeptical. In a public statement, BNSF CEO Katie Farmer warned that the merger “poses a significant threat to the U.S. economy and the American consumer,” cautioning it would “leave shippers with fewer options—driving higher rates and ultimately higher prices.”
Veteran operators note that competitive access agreements already exist today through interline arrangements when railroads choose to cooperate, but they fail when railroads choose not to. Structural promises mean little without sustained operational ambition.
Committed Gateway Pricing (CGP): Novel but Unproven
The most novel element of the filing is Committed Gateway Pricing (CGP), a pricing
construct intended to preserve competition where physical rail alternatives are limited.
Under CGP, the merged UP–NS would publish gateway rates at the 70th percentile of its rate structure, segmented by commodity and distance, with agreements extending up to three years.*¹¹ BNSF and CSX could then quote end-to-end service using those rates.
Experts caution:
- CGP is untested at the Class I level
- Competitive benefit depends on rate transparency, quoting speed, and division structure
- CGP may appear promising, but could be a “Trojan horse” if not implemented with clarity and accountability
Even Farmer’s critique highlights that mechanisms intended to preserve competition in prior mergers did not prevent long-term structural concentration.
Short Line Railroads: Included in Principle, Exposed in Practice
The filing emphasizes commercial-reasonableness commitments to short lines, including divisions, interchange negotiations, and CGP eligibility.*¹²
However, short lines operate on thin margins. Minor changes in service priority, switching windows, or traffic routing can materially impact the industries they serve. Consolidation of interchange control inherently increases exposure.
Execution Risk: Service Assurance and Historical Patterns
The merger includes a Service Assurance Plan with integration milestones and a three-year JAMS-administered arbitration program.*¹³
Despite these commitments, execution risk remains high. No Class I merger in the modern era has been deflationary for shippers. Post-merger periods have historically brought service instability and above-inflation rate increases for captive shippers.
Why Stakeholder Engagement Matters Now
This transaction is not simply about network efficiency. It is about how competition, access, and accountability will be governed across the freight rail system.
The effectiveness of the commitments depends on:
- precision of definitions
- enforceability
- transparent reporting
- operational priorities
- oversight mechanisms
Stakeholders who prepare early — submitting data, protective conditions, and competitive analyses — will have the greatest influence on the framework that defines the next decade of rail competition.
Footnotes
Page numbers refer to UP–NS Merger Application Filing PDF Docket No. FD-36873, Filing ID 310577
1. Claim regarding ~10,000 interline lanes and watershed conversion — pp. 14–15
2. Truckload diversion claims — pp. 16–17
3. Description of Gateway Commitments — pp. 27–31
4. Interchange friction as central thesis — pp. 13–14
5. Watershed region description — p. 14
6. Historical performance context (UP/SP, CPKC) — external empirical analysis (FRA, GAO, STB oversight reports)
7. Traffic generation and diversion modeling — pp. 16–18
8. Perpetual open-gateway conditions — pp. 27–28
9. Written justification for interline increases — p. 28
10. Monthly gateway reporting — p. 29
11. CGP rate-setting methodology — pp. 120–123 (approx., based on keyword hits beyond page 100)
12. Short line commitments — pp. 30–31
13. Service Assurance Plan and arbitration — pp. 32–34







