Tens of thousands of container loads of cargo that would normally move on railroads are being hauled on American roads each month as companies look to get around continuing supply-chain bottlenecks.
U.S. intermodal transports, in which railroads carry containers and truck trailers, were down nearly 12% in the first six weeks of this year from a year ago, according to the Association of American Railroads, after tumbling in the second half of last year even as retailers and manufacturers rushed to bring in goods.
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