← BTS Open Data (Monthly Transportation Statistics)
Truck tonnage index
114.3 latest (2026-05-01)
index (2015 = 100, seasonally adjusted) unit
monthly frequency
United States geography
Coverage 2000-01-01 to 2026-05-01 · series id bts-socrata/crem-w557:truck_tonnage_index
Recent values
| Period | Value | Revision |
|---|---|---|
| 2026-05-01 | 114.3 | 1 |
| 2026-04-01 | 116.7 | 1 |
| 2026-03-01 | 117.5 | 1 |
| 2026-02-01 | 115.8 | 1 |
| 2026-01-01 | 113.9 | 1 |
| 2025-12-01 | 113 | 1 |
| 2025-11-01 | 113.1 | 1 |
| 2025-10-01 | 112.2 | 1 |
| 2025-09-01 | 113.7 | 1 |
| 2025-08-01 | 115.1 | 1 |
| 2025-07-01 | 113.9 | 1 |
| 2025-06-01 | 113.1 | 1 |
Verification history
| Check | Result | Expected | Actual | When |
|---|---|---|---|---|
| golden | pass | 80.5 | 80.5 | 19h ago |
| golden_live | pass | 80.5 | 80.5 | 19h ago |
| golden | pass | 99.4 | 99.4 | 19h ago |
| golden_live | pass | 99.4 | 99.4 | 19h ago |
| golden | pass | 117.1 | 117.1 | 19h ago |
| golden_live | pass | 117.1 | 117.1 | 19h ago |
License and citation
License public-domain (terms). Source: U.S. Bureau of Transportation Statistics, U.S. Department of Transportation (data.bts.gov). U.S. federal government work, public domain.
Official table: Monthly Transportation Statistics · U.S. Department of Transportation, Bureau of Transportation Statistics
Use it
curl "https://starwell.dev/api/starwell/v1/sources/bts-socrata/series/crem-w557:truck_tonnage_index/observations?latest=12"
Download CSV: full history with attribution.
Embed the chart
An SVG of this series, attribution included:
<img src="https://starwell.dev/sources/bts-socrata/crem-w557:truck_tonnage_index/chart.svg"
alt="Truck tonnage index" width="720" />
Embed the status badge
[](https://starwell.dev/sources/bts-socrata/crem-w557:truck_tonnage_index)
curl -X POST "https://starwell.dev/api/starwell/v1/answer" \
-H "Authorization: Bearer dlk_live_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"question": "What is the latest value?", "series": [{"source": "bts-socrata", "seriesId": "crem-w557:truck_tonnage_index"}]}'
Data reads need no key; answers do. Keys are free at /account; a keyless sample lives at GET /api/starwell/v1/answer/demo.