Today, the Bureau of Transportation Statistics (BTS) released the change in the costs faced by producers purchasing transportation services and industries producing them, from May 2024 to May 2025, as measured by the Producer Price Index (PPI). The PPI measures inflation from the perspective of costs to industry or producers of products.

Transportation equipment PPI indicate the changes in transportation equipment prices faced by transportation providers, and any increase, increases providers costs. The PPI shows that prices increased for freight transportation and equipment 1.8% in May 2025 from May 2024. 

Increases in transportation services PPI indicate increases in production costs faced by industries purchasing the services. From May 2024 to May 2025, the transportation services PPI changed, by mode:

• Air: +1.9%
• Rail: +2.1%
• Truck: +1.8%
• Water: -2.9%
• Arrangement of freight and cargo: -0.1%

For additional information and for interactive charts on transportation's role in the economy and changes (trends) over time, please visit BTS’ Transportation Economic Trends.