Where can I find the Transportation Services Index (TSI)?
Answer
The Transportation Services Index (TSI) is provided by the Bureau of Transportation Statistics (BTS), and measures the performance of the economy as reflected in the movement of freight and passengers.
Contact Us
NTL Reference Librarians provide services for the transportation community and general public. Specific services are:
- Basic research assistance with Bureau of Transportation Statistics (BTS) publications and data products
- Assistance with access to information resources in ROSA P
- Referrals to operating administrations within US DOT
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