US Rail Volumes Continue Seven-Month Climb in July
US rail freight extended its 2026 momentum in July, according to the Association of American Railroads' monthly Rail Industry Overview. Carload volume reached 225,977 units, a 0.5% increase over July 2025 and the seventh consecutive monthly annual gain. Intermodal traffic rose 6.1% to 286,647 containers and trailers, a new record for the month.
The gains were unusually broad. Fourteen of the 20 carload commodity groups tracked by the AAR posted year-over-year increases, and nine groups recorded their highest or second-highest July volume on record. Strength showed up in nonmetallic minerals, lumber, paper, petroleum products, and steel products rather than in only one or two sectors.
The AAR's Freight Rail Index, which tracks economically sensitive carload commodities excluding coal and grain along with intermodal units, reached 118.2. That was its fourth straight monthly increase and its second-highest reading on record. AAR Chief Economist Rand Ghayad said the report is designed to connect rail traffic data with the broader economy in an accessible way, arguing that rail volumes are a useful forward indicator of goods movement.
Year-to-date intermodal volume through July climbed to 6,811,496 units, up 2.7% annually and a record for the period. The AAR said the year is on pace to be the strongest in intermodal history.
What the Record Freight Rail Index Signals for Freight Markets
The Freight Rail Index Is Flashing a Positive Demand Signal
The Freight Rail Index's rise to 118.2 — its second-highest level ever — is a notable data point because it excludes coal and grain and focuses on commodities most closely tied to current economic activity. The AAR's economists interpret the four-month run as a sign that goods movement has momentum and that near-term economic activity is likely to remain firm. That is an interpretation, not a guarantee: rail data can be influenced by mode shifts as well as underlying demand.
Intermodal Is Winning Freight From the Highway
The 6.1% intermodal gain and record July volume did not happen in isolation. The AAR attributes the performance to three factors named in the report: strong rail service levels, higher trucking costs tied to diesel prices and a tighter driver supply, and continued consumer demand for goods. The implication for shippers is that the economics of moving containers by rail are improving relative to truckload in some lanes, which could reshape near-term freight procurement decisions.
Broad-Based Strength Makes the Rail Story More Durable
Fourteen of 20 commodity groups growing and nine at or near record July levels indicate that the rail recovery is not dependent on a single sector. That matters because sector-specific surges — for example, in petroleum products or steel — can reverse quickly. The spread across nonmetallic minerals, lumber, paper, and other goods suggests a wider base of demand, although the AAR itself notes that the strength could come from stronger economic activity, market-share gains from other modes, or both.
What Shippers Should Do With July's Rail Data
- Use the intermodal trend as a pricing signal: with July intermodal volume at a record and 2026 on pace for the best year in history, shippers negotiating 2026–2027 contracts should test door-to-door intermodal rates against truckload lanes where diesel and driver costs are rising.
- Check commodity-specific rail capacity before building inventory plans: 14 of 20 carload groups grew in July, and nine posted record or near-record July volume, so lanes serving lumber, paper, steel, petroleum products, and nonmetallic minerals may be tighter than headline carload growth suggests.
- Treat AAR's Freight Rail Index as a leading indicator for near-term demand planning: its fourth consecutive rise and second-highest reading on record supports the case that goods movement has momentum, but watch whether future gains come from economic activity or from modal shift before adjusting demand forecasts.
- For freight planners with highway exposure, compare rail service quality claims against actual transit data: the AAR says excellent rail service is one reason intermodal is gaining share, but industry-level service and corridor-specific performance are not the same.
Risk & Opportunity Assessment
| Commercial Risk | Medium | Record intermodal volumes and broad carload gains point to tightening freight capacity in key rail corridors, especially for lumber, paper, steel, petroleum products, and nonmetallic minerals, which are at or near July records. |
| Competitive Risk | Medium | Higher trucking costs from diesel and driver shortages, combined with reported strong rail service, are shifting freight toward intermodal rail, increasing competitive pressure on truckload carriers and creating advantages for railroads with strong intermodal networks. |
| Regulatory Risk | Low | The July AAR data contain no new regulatory or policy changes; any future rail or trucking workforce rule would be external to this report. |
| Reputation Risk | Low | No company-specific service failure or safety event is reported; the article is an industry-level volume release. |
| Technology Disruption | Low | The shift described is driven by service, diesel costs, and driver availability rather than a new technological disruption in rail or freight. |
| Commercial Opportunity | High | Intermodal volume is on pace for its best year in history and the Freight Rail Index is at its second-highest level, creating an opportunity for railroads and intermodal providers to capture freight from trucking and for shippers to lock in rail-based capacity. |
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