Chemical shipments percolate in latest rail data

Intermodal traffic up 5%

(Photo: FreightWaves/Jim Allen)

Freight carried by U.S. railroads enjoyed another strong week, according to data from the Association of American Railroads.

U.S. weekly rail traffic was 532,462 carloads and intermodal units, up 4.2% compared with the same week a year ago.

Total carloads for the week ending August 22 came to 235,885 units, up 3.2%, while intermodal volume was 296,577 containers and trailers, up 5% on 2025.

Seven of 10 carload commodity groups posted an increase compared with the same week in 2025. They included metallic ores and metals , 9.5%; chemicals, up 6% after several down weeks; and grain, up 9%.

Motor vehicles and parts slipped 10.4% for the week.

For the first 33 weeks of 2026, U.S. railroads reported cumulative volume of 7,511,910 carloads, up 2.7%, and 9,301,986 intermodal units, up 3.8% y/y. Total combined traffic was 16,813,896 carloads and intermodal units, an increase of 3.3% from the previous year.

North American weekly volume on 9 reporting U.S., Canadian and Mexican railroads totaled 340,627 carloads, up 5.5% y/y, and 387,545 intermodal units, up 5.6%. Total combined traffic was 728,172 carloads and intermodal units, up 5.6%. North American volume for the first 33 weeks of 2026 was 23,071,332 carloads and intermodal units, up 3% compared with 2025.

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Read more articles by Stuart Chirls here.

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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.