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%.

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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