★ WIDE MOAT STOCKS & COMPETITIVE ADVANTAGES ★
VOL. XCIV, NO. 247
Stock Profile
CSX Corporation (CSX) Moat Analysis
CSX Corporation
CSX · NASDAQ
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
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Overview
CSX is a U.S. freight transportation company anchored by an approximately 20,000 route-mile Eastern rail network, complemented by Quality Carriers in bulk liquid chemical trucking. FY2025 revenue was led by merchandise carload, followed by intermodal, coal, trucking and ancillary rail revenue. The core moat is the difficult-to-replicate combination of rights-of-way, dense track infrastructure and port connectivity. Generic efficiency programs, specialized trucking scale and ancillary fee mechanics were not treated as separate moats. Intermodal and trucking face intense truck competition, coal is pressured by secular demand and export-benchmark volatility, and regulators can affect rates, access, service rules and returns on rail infrastructure.
Primary segment
Merchandise (Rail)
Market structure
Oligopoly
Market share
—
HHI: —
Coverage
5 segments · 7 tags
Updated 2026-07-12
Segments
Merchandise (Rail)
Eastern U.S. rail freight transportation (merchandise carload)
Revenue
62.3%
Structure
Oligopoly
Pricing
moderate
Share
—
Peers
Intermodal (Rail)
Eastern U.S. intermodal transportation (rail + intermodal terminals; rail vs truck)
Revenue
14.7%
Structure
Competitive
Pricing
weak
Share
—
Peers
Coal (Rail)
Coal transportation (domestic utility coal + export coal) via rail
Revenue
13.5%
Structure
Oligopoly
Pricing
moderate
Share
—
Peers
Trucking (Quality Carriers)
North American bulk liquid chemical trucking (tank truckload)
Revenue
5.8%
Structure
Competitive
Pricing
weak
Share
—
Peers
Other Revenue (Rail/Ancillary)
Rail accessorial and ancillary revenue (e.g., demurrage and other items)
Revenue
3.8%
Structure
Competitive
Pricing
moderate
Share
—
Peers
Moat Claims
Merchandise (Rail)
Eastern U.S. rail freight transportation (merchandise carload)
Revenue share computed from CSX FY2025 Form 10-K volume/revenue table: Merchandise $8.773B of $14.092B total. Operating_profit_share omitted because CSX analyzes the railroad as one integrated operating segment.
Physical Network Density
Supply
Physical Network Density
Strength
Durability
Confidence
Evidence
CSXT's large, dense fixed rail network in the Eastern U.S. is extremely hard to replicate, supporting corridor coverage and local density advantages.
Physical Network Density moat: definition, examples, and stocks
Erosion risks
- Regulatory forced access / open access mandates
- Severe weather damaging infrastructure
- Modal shift to trucking via autonomy/electrification
Leading indicators
- Service metrics (dwell, on-time performance)
- Network capacity investments and bottleneck relief
- Regulatory proceedings affecting rail access/pricing
Counterarguments
- Many lanes remain contestable versus trucking depending on service and price
- Shippers can re-route some traffic via interchange/short lines
Permits Rights Of Way
Legal
Permits Rights Of Way
Strength
Durability
Confidence
Evidence
Rail rights-of-way and controlled track infrastructure create high barriers to entry versus modes that rely on publicly funded rights-of-way; permitting/building new rail corridors is difficult.
Permits Rights Of Way moat: definition, examples, and stocks
Erosion risks
- Policy changes increasing truck size/weight limits
- Regulatory intervention on rates/service
- Passenger rail expansion constraining freight slots
Leading indicators
- Changes in STB regulation/enforcement
- State/federal infrastructure policy affecting competing modes
- Trackage rights/open access proposals
Counterarguments
- Rights-of-way do not guarantee pricing power where trucking is viable
- In some markets, barge/pipeline alternatives constrain rail
Intermodal (Rail)
Eastern U.S. intermodal transportation (rail + intermodal terminals; rail vs truck)
Revenue share computed from CSX FY2025 Form 10-K volume/revenue table: Intermodal $2.073B of $14.092B total. Operating_profit_share omitted because CSX analyzes the railroad as one integrated operating segment.
Physical Network Density
Supply
Physical Network Density
Strength
Durability
Confidence
Evidence
CSX's rail network and terminal/port connectivity support intermodal flows tied to import distribution and inland corridors in the East.
Physical Network Density moat: definition, examples, and stocks
Erosion risks
- Port congestion or labor disruptions
- Chassis/container availability constraints
- Trucking technology improvements (autonomy/electrification)
Leading indicators
- Intermodal volumes and revenue per unit
- East Coast port throughput trends
- Service reliability (on-time, dwell) versus truck alternatives
Counterarguments
- Intermodal is highly price-competitive with trucking; customers can mode-shift quickly
- Rail-to-rail competition via interchange can constrain pricing on some lanes
Coal (Rail)
Coal transportation (domestic utility coal + export coal) via rail
Revenue share computed from CSX FY2025 Form 10-K volume/revenue table: Coal $1.900B of $14.092B total. Operating_profit_share omitted because CSX analyzes the railroad as one integrated operating segment.
Physical Network Density
Supply
Physical Network Density
Strength
Durability
Confidence
Evidence
CSX's established eastern bulk corridors and deep-water port connectivity support export coal routing; for certain origin-destination pairs, the fixed rail network is difficult to bypass or replicate.
Physical Network Density moat: definition, examples, and stocks
Erosion risks
- Structural decline in coal-fired generation
- Volatility in seaborne coal prices and export demand
- Regulatory and ESG pressures on coal supply chain
Leading indicators
- Export coal benchmark prices and volumes
- Utility coal burn and stockpiles in CSX territory
- Coal carloads and revenue per unit
Counterarguments
- Coal demand is cyclical/declining; moat in a shrinking end-market has limited value
- Some corridors can shift to barge where geography permits
Trucking (Quality Carriers)
North American bulk liquid chemical trucking (tank truckload)
Revenue share computed from CSX FY2025 Form 10-K volume/revenue table: Trucking $0.816B of $14.092B total. Operating_profit_share omitted because Quality Carriers operating income was negative after impairment. No durable moat is assigned: leadership in a specialized trucking niche did not translate into protected economics, and all remaining goodwill was impaired in FY2025.
Insufficient segment-specific evidence to assign a moat claim.
Other Revenue (Rail/Ancillary)
Rail accessorial and ancillary revenue (e.g., demurrage and other items)
Revenue share computed from CSX FY2025 Form 10-K volume/revenue table: Other $0.530B of $14.092B total. Operating_profit_share omitted because ancillary revenue is not reported as a separate profit segment. These charges inherit the rail network advantage but do not constitute a separately evidenced moat.
Insufficient segment-specific evidence to assign a moat claim.
Evidence
approximately 20,000 route-mile rail network
Network scale supports a durable physical network moat.
Total track miles, which reflect the size of
Track-mile footprint is a direct proxy for network density and replacement cost.
generated $8.8 billion in revenue (62% of revenue) in 2025.
Used to compute segment revenue shares in this dataset.
Other transportation providers generally use public rights-of-way
Supports the scarcity and defensibility of rail rights-of-way.
must build and maintain rail networks largely using internal resources
Contrasts railroad-owned infrastructure with publicly funded competing modes.
Showing 5 of 11 sources.
Risks & Indicators
Erosion risks
- Regulatory forced access / open access mandates
- Severe weather damaging infrastructure
- Modal shift to trucking via autonomy/electrification
- Policy changes increasing truck size/weight limits
- Regulatory intervention on rates/service
- Passenger rail expansion constraining freight slots
Leading indicators
- Service metrics (dwell, on-time performance)
- Network capacity investments and bottleneck relief
- Regulatory proceedings affecting rail access/pricing
- Changes in STB regulation/enforcement
- State/federal infrastructure policy affecting competing modes
- Trackage rights/open access proposals
Research CSX elsewhere
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