US carriers observed over time
The running total of distinct carriers seen in FMCSA roadside inspections since 2023 — how the carrier dataset accumulates.
648.1K
distinct carriers observed in inspections since 2023
▲ 1.5%vs. prior month▲ 20.1%vs. a year earlier
CarriersPrevious year▲ 20.1% vs Previous year
View data table
| Period | Carriers |
|---|---|
| 2023-05 | 77,245 |
| 2023-06 | 138,021 |
| 2023-07 | 181,709 |
| 2023-08 | 222,420 |
| 2023-09 | 252,964 |
| 2023-10 | 279,491 |
| 2023-11 | 301,684 |
| 2023-12 | 319,645 |
| 2024-01 | 337,437 |
| 2024-02 | 355,863 |
| 2024-03 | 372,388 |
| 2024-04 | 389,872 |
| 2024-05 | 406,737 |
| 2024-06 | 421,675 |
| 2024-07 | 436,540 |
| 2024-08 | 451,333 |
| 2024-09 | 464,409 |
| 2024-10 | 477,131 |
| 2024-11 | 487,705 |
| 2024-12 | 497,414 |
| 2025-01 | 507,448 |
| 2025-02 | 517,004 |
| 2025-03 | 527,935 |
| 2025-04 | 539,775 |
| 2025-05 | 551,446 |
| 2025-06 | 562,670 |
| 2025-07 | 574,560 |
| 2025-08 | 580,838 |
| 2025-09 | 592,621 |
| 2025-11 | 602,498 |
| 2025-12 | 611,388 |
| 2026-01 | 619,995 |
| 2026-02 | 628,693 |
| 2026-03 | 638,511 |
| 2026-04 | 648,109 |
Methodology
Each point is the cumulative count of distinct DOT numbers first observed in a roadside inspection on or before that month, counted from January 2023 onward. The most recent month is partial and is excluded. Source: FMCSA roadside inspection records from data.transportation.gov, refreshed daily.
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