For the week ending Dec. 5, 2020, total U.S. weekly rail traffic was 542,203 carloads and intermodal units—up 4.8% from the same period last year—based on a double-digit intermodal gain, according to an Association of American Railroads (AAR) Dec. 9 report. Total carloads were 244,986, down 1.4% compared with the same period in 2019, while U.S. weekly intermodal volume of 297,217 containers and trailers increased 10.5% compared with 2019.