
As containers piled up at ports and truck driver shortages became the norm, rail transport was once seen as a crucial solution to supply chain pressures. However, the latest data reveals a more nuanced reality in the US rail freight market.
A recent report from the Association of American Railroads (AAR) shows that during the week ending April 22, US rail freight volumes presented a curious divergence: growth in carload traffic alongside declining intermodal shipments. What economic signals does this pattern reveal, and what challenges and opportunities lie ahead for the rail industry?
Carload Gains: Coal and Automotive Lead the Charge
For the week ending April 22, US rail carloads reached 240,584 units, marking a 5.1% year-over-year increase. This represents the second consecutive week of growth, surpassing the previous weeks' totals of 234,066 and 225,669 carloads respectively.
Among the 10 major commodity categories tracked by AAR, six showed annual growth. Coal shipments stood out with 68,879 carloads—an increase of 10,985 from the previous year. Automotive and parts shipments also performed strongly at 14,643 carloads (up 1,396), while metal ores and metals reached 23,062 carloads (up 812).
Coal's Resilience: Traditional Energy Holds Steady
The coal shipment growth reflects the enduring role of traditional energy in the US power mix. Despite the clean energy transition, coal remains vital—particularly during extreme weather events—while international demand has grown amid global energy market volatility.
Automotive Recovery: Chips and Demand Align
The automotive sector's rebound, facilitated by easing chip shortages and pent-up consumer demand, has directly boosted rail shipments. As production ramps up to meet accumulated demand, rail transport plays a crucial role in moving vehicles and components.
Metals Movement: Infrastructure and Reshoring Effects
Increased metal shipments mirror active infrastructure projects and manufacturing reshoring trends. Government investments in infrastructure and companies relocating production have driven demand for metal materials and their rail transport.
Intermodal Decline: Trade Weakness and Shifting Logistics
In stark contrast, intermodal volumes (containers and trailers) fell 10.8% year-over-year to 239,873 units for the same week. While slightly higher than prior weeks, the downward trend persists.
Global Trade Barometer
Intermodal's slump connects directly to reduced US imports. Global economic pressures—including inflation, geopolitical tensions, and trade policies—have dampened import demand, while resolved port congestion and recovered trucking capacity have reduced reliance on rail intermodal solutions.
Year-to-Date: A Tale of Two Markets
Cumulative data for 2023's first 16 weeks shows modest carload growth (0.5% to 3,693,811 units) against a sharp 10.9% intermodal decline (3,723,234 units). This divergence signals broader economic adjustments—traditional industries supporting carloads while trade shifts impact intermodal.
North American Context: Similar Patterns
Across North America, 12 major railroads moved 346,012 carloads (up 5.0%) and 320,991 intermodal units (down 10.3%) for the week. The regional total fell 3.0%, reflecting interconnected economic forces under USMCA trade frameworks.
Industry Perspective: Navigating Uncertainty
AAR President and CEO Ian Jefferies noted that current rail volumes align with expectations amid economic crosscurrents. He highlighted automotive's strong performance but acknowledged broader uncertainties affecting consumer behavior and trade patterns.
Future Outlook: Adaptation Required
The rail sector faces transformative pressures:
Economic Headwinds
Inflation, geopolitical risks, and potential recessions demand agile operational strategies.
Energy Transition
While coal remains relevant, railroads must prepare for shifting energy logistics, including renewable equipment transport.
Technological Evolution
Digital tools and automation promise efficiency gains in tracking and operations.
Competitive Landscape
Rail must differentiate against trucking and maritime alternatives through service quality and cost.
Opportunities emerge from infrastructure spending, manufacturing reshoring, and e-commerce growth—each requiring tailored rail solutions. Success will depend on the industry's ability to balance traditional strengths with adaptive innovation.