U.S Department of Transportation
About Transportation Services Index The Transportation Services Index (TSI), created by the U.S. Department of Transportation (DOT), Bureau of Transportation Statistics (BTS), measures the movement of freight and…
Updated Oct 25, 2026
U.S Department of Transportation
Passenger Travel Facts and Figures - Ch 4. Economic Characteristics of Passenger Travel - Discusses the economic characteristics of passenger travel and tourism.
Updated Oct 25, 2026
U.S Department of Transportation
Visualizations featuring BTS' Transportation Services Index (TSI). The TSI measures the monthly movement of freight and passengers .
Updated Oct 25, 2026
U.S Department of Transportation
Economic concepts related to transportation as an economic indicator.
Updated Oct 25, 2026