License Plate SD PR55097 (South Dakota) — Sigma Squared Transport Corporation
USDOT 4473629 · 2020 Freightliner Cascadia
Recorded vehicle, plate and carrier history
These are dated observations in the records available to us. They do not establish ownership, a sale, a transfer date, or continuous use between observations. The latest observation may not describe today’s vehicle or carrier.
| Observed dates | VIN | Plate | Reported carrier |
|---|---|---|---|
| 2026-07-04 | 3AKJHHDR7LSLS2851 | SD PR55097 | SIGMA SQUARED TRANSPORT CORPORATION · USDOT 4473629 |
Evidence: FMCSA inspection observations and retained snapshots of our vehicle records. Coverage is incomplete; an unreported change cannot be dated from these records.
Most recently recorded carrier for this plate
Sigma Squared Transport Corporation Active
- USDOT
- 4473629
- MC
- 1547581
- Status
- Active
- Type
- Motor Carrier
- Based in
- Sioux Falls, SD
- Power units
- 6
- Drivers
- 7
- Inspections (24 mo)
- 5
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 33.3%
Carrier recorded at the latest inspection in the available records (2026-07-04). This does not establish current ownership or confirm that the carrier still operates this vehicle.
View full carrier profile →Authority, insurance & bonds, safety scores, crash history, inspections and the full fleet list.
What this means
License plate SD-PR55097 appears in FMCSA inspection records 2 times. Recorded on one vehicle: VIN 3AKJHHDR7LSLS2851 (2020 Freightliner Cascadia). Most recent operating carrier: Sigma Squared Transport Corporation (USDOT 4473629). Vehicle make on file: Freightliner (FREIGHTLIN) (TRUCK TRACTOR). 1 out-of-service result across all inspections.
About this plate
Commercial license plate SD-PR55097 (South Dakota) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2026-02-01 to 2026-07-04. The latest inspection was in Georgia, a Level III — driver and paperwork only. That is outside the plate's issuing jurisdiction (South Dakota).
Vehicle on this plate
This plate is associated with a single vehicle, a 2020 Freightliner Cascadia — VIN 3AKJHHDR7LSLS2851 (truck tractor).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 2 inspections on FMCSA record. The records show 1 out-of-service violation across 2 inspections. OOS breakdown: 1 driver. The leading violation category is Vehicle Maintenance (2), then Unsafe Driving (1). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operators
Operated by Sigma Squared Transport Corporation (USDOT 4473629) in every inspection on record.
Vehicle detail (inspections per unit)
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 2 | ! Moderate |
| Unsafe Driving | 1 | — Minor |
| Fatigued Driving (HOS) | 1 | — Minor |
| Controlled Substances | 1 | — Minor |
| Driver Fitness | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |