Rising Truck Costs Drive Intermodal Adoption, IANA Report Shows

The intermodal transportation sector is experiencing renewed momentum as trucking costs rise and capacity tightens across North American freight networks. According to the Intermodal Association of North America (IANA), shippers are increasingly turning to rail-based and ocean-based intermodal solutions as cost-effective alternatives to traditional over-the-road trucking. This shift reflects structural pressures in the trucking market, including driver shortages, fuel surcharges, and equipment constraints that have made linehaul costs less competitive.

For supply chain professionals, this trend signals both an opportunity and an operational challenge. Shippers with flexible modal strategies can leverage lower per-mile costs through intermodal networks, particularly for long-haul lanes and dedicated trading partners. However, the transition requires investment in dwell time management, terminal infrastructure coordination, and updated transportation management system capabilities.

Companies must balance modal selection against service level requirements, as intermodal solutions typically introduce additional drayage legs and potential schedule variability. The momentum toward intermodal reflects a maturing supply chain strategy that prioritizes total cost of ownership over single-mode optimization. As trucking capacity remains constrained and rates remain elevated, this modality shift is likely to persist, particularly on established east-west and north-south corridors where rail infrastructure is robust.