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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...
Search relevance: 356.29 | Views last month: 61 | Catalog Last Checked: November 12, 2026 at 11:39 PM -
Personal spending on transportation services includes spending on motor vehicle services, such as maintenance and repair, and public transportation, including rail transportation, intercity buses,...
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