Domestic Containers are the Bulwark of Intermodal Growth in Q1, Pushing Intermodal Volumes Up 2 Percent

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IANA Reports overall international outlook remains positive despite regional challenges

Total intermodal shipments rose 2 percent over last year’s Q1 volumes, according to the Intermodal Association of North America, despite port congestion issues that impacted international container traffic. Domestic intermodal loads grew 4.5 percent, buoyed by domestic containers, which rose 6.5 percent in a quarter-over-quarter comparison.

“Monthly first quarter results were uneven due to the issues on the West Coast,” said Joni Casey, president and CEO of IANA. “Despite February’s challenges, however, we still saw some overall quarterly growth, led by big boxes in regions less affected by port congestion.”

Domestic intermodal results were particularly impressive in view of the challenges facing the import sector. A significant share of the freight carried by domestic intermodal is transloaded from 40’ containers that come through a port. First quarter volumes exceeded the 5.1 percent gain recorded in Q4 of 2014.

Regional traffic growth remained tied to port issues, notwithstanding the relative strength of domestic intermodal. Volumes were down in the Southwest, which saw a 5.7 percent decline over Q1 2014. The Southeast surged 9.9 percent in Q1 2015, due to increases in both domestic and international containers. Western Canada posted the strongest growth rate of any region, jumping an exceptional 10.6 percent in Q1.

The seven largest volume corridors also varied according to their exposure to port disruptions. While lanes that included the Southwest were down, the intra-Southeast continued to be an intermodal powerhouse — intermodal shipments in that lane jumped 16.5 percent in a quarter-over-quarter comparison. Overall, high density lanes, which accounted for 64.5 percent of total volumes, saw a minimal decline of 0.9 percent this quarter.

Intermodal marketing companies (IMCs) reported 3 percent growth in Q1, laying the groundwork for an even stronger performance in the coming months. Intermodal and highway loads jumped 3.2 percent and 2.6 percent, respectively. IMC highway gains were significant enough to push revenues up 1 percent, compared to Q1 of 2014.

Intermodal Market Trends & Statistics is published quarterly by IANA and is available on a subscription and individual copy basis. Members of the press may request a sample copy of the 2015 First Quarter Intermodal Market Trends & Statistics from Tara Mullen at The report features detailed analyses and reproducible graphical representations of Q1 2015 results.    

About IANA
IANA is North America's only industry trade association that represents the combined interests of the intermodal freight industry. The association’s mission is to promote the growth of efficient intermodal freight transportation through innovation, education and dialogue. The association offers valuable information and services specific to the intermodal industry encompassing consensus business solutions that facilitate operations, regulatory compliance, and policy issue management. IANA's membership roster of over 1,000 members represents the diverse companies critical to moving freight efficiently and safely. IANA provides a discussion forum for the many types of stakeholders along the supply chain, resulting in a strong unified voice advocating the needs of intermodal freight transportation. For more information, visit

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