AAR: Rail "Intermodal Slips, But Carloads Hold Steady Amid Continued Uncertainty"
From the Association of American Railroads (AAR) AAR Data Center. Graph and excerpts reprinted with permission.
And on intermodal:
Rail freight volumes in May 2025 tell a story of an industry navigating crosscurrents. On one side, carload traffic showed solid growth, reflecting resilience in key sectors of the domestic economy. On the other, intermodal container volumes barely eked out a gain, hinting at softening global trade and cautious consumer demand. Mixed economic signals – from cooling manufacturing output to consumers pulling back on goods purchases – underscore the uncertainty facing railroads. Recent data on factory activity, consumer spending, and housing all paint a cautionary picture for the coming months, even as the labor market remains a relative bright spot.
Total U.S. rail carloads rose 5.9% in May 2025 compared with a year ago (about 50,000 extra carloads), a slight step down from April’s 6.2% growth. Year-to-date carloads through May were up 2.5% versus the same period in 2024.
emphasis added
By contrast, intermodal volume (containers and trailers) barely grew, rising only 0.6% in May year over-year (around +6,200 units). This marks the 21st consecutive month of year-over-year intermodal gains, but notably it’s the weakest percentage increase of that entire streak. In fact, average weekly intermodal loadings in May (about 259,400 units) were the lowest in a year and essentially equal to the 10-year May average.
Tracking with declines in port activity and lower import volumes, rail traffic saw its first non-holiday intermodal declines since September 2023 to end the month with volumes falling ~1.5%–1.8% compared to the same weeks a year ago. Time will tell if this two-week trend continues or if shippers and retailers are becoming more cautious,
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