Transportation Services Freight Index

Series slug: bts-bw6n-ddqk-tsi-freight
Slug: bts-bw6n-ddqk-tsi-freight
Provider: BTS
Series id: bw6n-ddqk:tsi_freight
Title: Transportation Services Freight Index
Unit: Index 2000=100
Frequency: monthly
Base period: 2000=100
Seasonal adjustment: seasonally adjusted
Geography: United States
Api url: https://data.bts.gov/resource/bw6n-ddqk.json?$select=obs_date,tsi_freight&$order=obs_date%20DESC&$limit=24
Release lag days: 40
First period: 2000-01-01
Page slug: /index/bts-tsi-freight
Fred series id: TSIFRGHT

Source

BTS Transportation Services Index Socrata dataset bw6n-ddqk — U.S. Department of Transportation, Bureau of Transportation Statistics · Cleared for reuse
Read from https://data.bts.gov/Research-and-Statistics/Transportation-Services-Index-and-Seasonally-Adjus/bw6n-ddqk (BTS Socrata metadata and July 2026 release)
Socrata metadata identifies USGOV_WORKS and BTS attribution; cite BTS and do not imply endorsement. — terms