Truckload-Intermodal Spot Rate Spread (TLIMS)

WHAT IS IT?

The SONAR Truckload Intermodal Spot Rate Spread (TLIMS) dataset measures the pricing difference between truckload and intermodal transportation at the national level. It is calculated as the spread between the SONAR National Truckload Spot Rate (NTI.USA) and the SONAR National Intermodal Spot Rate (INTRM.USA).

By comparing these two rates directly, TLIMS highlights the relative cost advantage between truckload and intermodal shipping. This makes it easier to understand when intermodal becomes a more economical option compared to traditional over-the-road trucking.

Calculation

Truckload Intermodal Spot Rate Spread (TLIMS) = National Truckload Spot Rate (NTI.USA) – National Intermodal Spot Rate (INTRM.USA)

WHO IS INTERESTED?

Intermodal Providers, Carriers, Brokers, Shippers, and Market Analysts

This dataset is valuable for anyone evaluating modal choice, transportation costs, or shifts between truckload and rail-based freight.

WHAT DOES IT TELL ME?

The Truckload-Intermodal Spot Rate Spread provides a clear view of the cost relationship between two major freight transportation modes.

With TLIMS you can:

  • Identify when intermodal becomes economically attractive compared to truckload
  • Track modal competitiveness as market conditions change
  • Monitor opportunities for modal conversion during periods of wide rate spreads
  • Understand pricing pressure across transportation modes, especially for long-haul freight

 

When the spread widens or TLIMS increases, it often signals that intermodal is becoming significantly cheaper than truckload, increasing the likelihood that shippers will shift eligible freight to rail. When the spread narrows or TLIMS decreases, truckload may regain a competitive advantage in terms of cost and flexibility.

By tracking TLIMS, users gain a simple but powerful indicator of modal cost dynamics and shifting freight strategies across the transportation market.

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Related Topics

LTL Monthly Cost per Hundred Weight Aggregate (LTL)

SONAR Bulk Truckload Rate (BULK)

SONAR Weighted Rejection Index (SWRI, SWRIV, SWRIR)

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