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The running total of distinct carriers seen in FMCSA roadside inspections since 2023 — how the carrier dataset accumulates.
distinct carriers observed in inspections since 2023
| Period | Carriers |
|---|---|
| 2023-05 | 77,288 |
| 2023-06 | 138,116 |
| 2023-07 | 181,846 |
| 2023-08 | 222,600 |
| 2023-09 | 253,234 |
| 2023-10 | 279,791 |
| 2023-11 | 302,021 |
| 2023-12 | 320,037 |
| 2024-01 | 337,899 |
| 2024-02 | 356,433 |
| 2024-03 | 373,050 |
| 2024-04 | 390,606 |
| 2024-05 | 407,535 |
| 2024-06 | 422,515 |
| 2024-07 | 437,422 |
| 2024-08 | 452,258 |
| 2024-09 | 465,363 |
| 2024-10 | 478,109 |
| 2024-11 | 488,727 |
| 2024-12 | 498,480 |
| 2025-01 | 508,556 |
| 2025-02 | 518,152 |
| 2025-03 | 529,134 |
| 2025-04 | 541,025 |
| 2025-05 | 552,725 |
| 2025-06 | 563,955 |
| 2025-07 | 575,855 |
| 2025-08 | 586,681 |
| 2025-09 | 597,958 |
| 2025-10 | 608,328 |
| 2025-11 | 616,779 |
| 2025-12 | 624,687 |
| 2026-01 | 632,534 |
| 2026-02 | 640,692 |
| 2026-03 | 650,012 |
| 2026-04 | 659,383 |
| 2026-05 | 668,378 |
| 2026-06 | 677,641 |
| 2026-07 | 687,228 |
| 2026-08 | 695,958 |
| 2026-09 | 705,083 |
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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