US intermodal rail traffic softens in September on supply chain woes

A photograph of a two intermodal containers stacked on top of a train.

Supply chain congestion continued to dampen U.S. intermodal rail traffic in September, sending overall volumes lower for the month, according to the Association of American Railroads (AAR).

The lower rail volumes come as the National Retail Federation (NRF) suggests that the congestion is denting the retail industry’s ability to process U.S. import volumes (see below).

U.S. intermodal volumes for September were 1.33 million containers and trailers, a 6.7% decline from September 2020. 


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