Intermodal rail powers up with 7% gain for latest week

Industrial commodities move the needle again

Rail freight gained in the weekly AAR data. (Photo: Operation Lifesaver)

Rail traffic on U.S. carriers came to 535,663 carloads and intermodal units, up 4.9% compared with the same week last year, according to Association of American Railroads data for the week ending Sept. 19.

Total carloads reached 234,207 units, up 2.4%, while intermodal volume was 301,456 containers and trailers, better by 6.9% compared to 2025.

Seven of the 10 carload commodity groups posted an increase compared with the same week in 2025. Metallic ores and metals surged 15.1%, followed by petroleum and petroleum products, 12.5%, and nonmetallic minerals such as sand and stone, 7%.

(Chart: AAR)

Grain paused its long stretch of gains, down 7.7%, joined by losses in coal, 3.1%, and motor vehicles and parts, 0.8%.

Through the first 37 weeks of the year, U.S. railroads reported cumulative volume of 8,444,095 carloads, up 2.7%, and 10,477,086 intermodal units, up 4.1%, y/y. Total combined traffic was 18,921,181 carloads and intermodal units, an increase of 3.4%.

North American rail volume for the week on nine reporting U.S., Canadian and Mexican railroads totaled 340,379 carloads, up 3.1%, and 387,419 intermodal units, up 6%, from the previous year. Total combined freight was 727,798 carloads and intermodal units, up 4.6%. Volume for the first 37 weeks of 2026 was 25,944,601 carloads and intermodal units, up 3.1% compared with 2025.

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Stuart Chirls

Stuart Chirls is a journalist who has covered the full breadth of railroads, intermodal, container shipping, ports, supply chain and logistics for Railway Age, the Journal of Commerce and IANA. He has also staffed at S&P, McGraw-Hill, United Business Media, Advance Media, Tribune Co., The New York Times Co., and worked in supply chain with BASF, the world's largest chemical producer. Reach him at stuartchirls@firecrown.com.