US, Canada, Mexico Rail Traffic: AAR Data & Insights
U.S. **freight rail traffic** dipped, with overall carloads and intermodal units down. Mixed results also seen in Canadian and Mexican **railroad** traffic during the week.

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Introduction
In the week ending Sept. 20, U.S. freight railroads moved 510,677 carloads and intermodal units, representing a 2.2% decrease compared to the same week last year, according to data from the Association of American Railroads (AAR).
Traffic Volume Overview
For the week, carloads totaled 228,609, marking a 1.8% decrease. Intermodal volume reached 282,068 containers and trailers, reflecting a 2.5% decline.
Commodity Group Performance
The AAR tracks ten carload commodity groups weekly. Two of these groups experienced increases: grain, which rose by 10.3% to 23,147 carloads; and metallic ores and metals, which increased by 1.9% to 20,358 carloads.
Conversely, several commodity groups saw decreases. These included coal, down 4.9% to 60,029 carloads; miscellaneous, down 16% to 8,634; and nonmetallic minerals, down 2.3% to 31,402.
Canadian and Mexican Rail Traffic
Canadian railroads reported 89,916 carloads for the week, indicating a 2.8% decrease, and 72,704 intermodal units, reflecting a 4.2% increase. Mexican railroads recorded 11,954 carloads, a 13.1% decrease, and 12,006 intermodal units, down 0.2%.
Conclusion
In summary, U.S. freight rail traffic for the week ending Sept. 20 showed a decrease in overall carloads and intermodal units. Canadian and Mexican railroads also reported mixed results in their respective traffic volumes.
Company Summary
Association of American Railroads (AAR): The AAR is an industry trade group that represents the interests of freight railroads in North America. It collects and publishes data on rail traffic, among other activities.
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