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Glossary

Intermodal

Intermodal freight transport uses multiple modes of transportation (truck, rail, ship) with standardized containers that transfer between modes without unloading the cargo.

What Is Intermodal?

Intermodal transportation uses standardized shipping containers that can move seamlessly between trucks, trains, and ships. A typical intermodal shipment might arrive at a US port by ship, get loaded onto a train for the long-haul portion across the country, and then be drayed (trucked) the final miles to the destination. The freight stays in the same container throughout, reducing handling and damage risk.

For trucking carriers, intermodal creates opportunities in two main areas: drayage (the short-haul truck moves at each end of the rail/ship journey) and intermodal container hauling over longer distances. Some carriers specialize in pulling intermodal containers on chassis for the trucking portion of intermodal shipments, either from rail yards to destinations or from shippers to rail yards.

Intermodal has grown significantly because rail transport is approximately 4x more fuel-efficient than trucking over long distances. For shippers, intermodal can be 10-30% cheaper than pure trucking on lanes over 750 miles. For carriers, intermodal work provides consistent freight volumes tied to international trade and domestic rail networks. Major intermodal carriers and brokers include J.B. Hunt, Schneider, and Hub Group.

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Why It Matters

Intermodal freight creates consistent demand for trucking services at rail yards and ports. Understanding intermodal dynamics helps you anticipate freight patterns — when container volumes spike at ports, drayage demand and rates increase. It is a growing segment of the freight market.

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Real-World Example

A retailer ships a container of furniture from China to their warehouse in Indiana. The container arrives at the Port of Los Angeles, where a drayage carrier moves it to a BNSF rail yard ($400). The container rides the train 1,800 miles to a rail yard in Chicago. Another drayage carrier picks it up and delivers it 150 miles to the Indiana warehouse ($500). The two truck moves bookending the rail journey are where carriers earn revenue in intermodal. The total shipping cost is about $4,500 versus $6,000+ for a pure truck move.

Related Terms

Drayage

Drayage is the short-distance transport of shipping containers between ports, rail terminals, and nearby warehouses or distribution centers.

Cross-Dock

Cross-docking is a logistics practice where freight is transferred directly from an inbound truck to an outbound truck at a facility with minimal or no warehousing time.

Freight Lane

A freight lane is a specific origin-to-destination route that carriers regularly run, with predictable freight volumes, rates, and demand patterns.

LTL (Less Than Truckload)

LTL is a shipping method where multiple shippers share space on a single truck, each paying only for the portion of the trailer their freight occupies.

Drop Trailer

Drop trailer (drop and hook) is a loading method where a carrier drops off a pre-loaded trailer and hooks up to a different trailer, avoiding wait time for loading or unloading.

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Frequently Asked Questions

How does intermodal work for trucking carriers?+
Carriers provide the truck portion (drayage) at each end of the intermodal journey — picking up containers at ports or rail yards and delivering them to final destinations, or vice versa. This is typically short-haul work (under 200 miles).
Is intermodal growing?+
Yes. Intermodal volume has grown steadily as shippers seek cost-effective and environmentally friendlier alternatives to pure trucking. Rail is 4x more fuel-efficient than trucks over long distances.
Do I need special equipment for intermodal?+
You need a tractor and access to intermodal container chassis. A TWIC card is required for port access. Some carriers own chassis, while others use pool chassis available at rail yards and ports.

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