License Plate CA 1WK2377 (California) — Hi Grade Materials Company
USDOT 478361 · 1999 Superior Trailer Works
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 |
|---|---|---|---|
| 2026-01-26 | 1S9S00000X0009811 | CA 1WK2377 | HI GRADE MATERIALS COMPANY · USDOT 478361 |
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
Hi Grade Materials Company Active
- USDOT
- 478361
- MC
- 661249
- Status
- Active
- Type
- Motor Carrier
- Based in
- Hesperia, CA
- Power units
- 140
- Drivers
- 100
- Inspections (24 mo)
- 47
- Crashes (24 mo)
- 4
- Vehicle OOS rate
- 13.6%
Carrier recorded at the latest inspection in the available records (2026-01-26). 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 CA-1WK2377 appears in FMCSA inspection records 2 times. Recorded on one vehicle: VIN 1S9S00000X0009811 (1999 Superior Trailer Works). Most recent operating carrier: Hi Grade Materials Company (USDOT 478361). Vehicle make on file: Superior Trailer Works (SUPR) (SEMI-TRAILER). No out-of-service violations are recorded under this plate in the available inspection records. Other violations may still be present.
About this plate
Commercial license plate CA-1WK2377 (California) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2025-08-06 to 2026-01-26. The latest inspection was in California, a Level I — full inspection of the driver and the vehicle.
Vehicle on this plate
This plate is associated with a single vehicle, a 1999 Superior Trailer Works — VIN 1S9S00000X0009811 (semi-trailer).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 2 inspections on FMCSA record. No out-of-service violations appear in the available records under this plate. This does not mean that every inspection was free of other violations.
Operators
Operated by Hi Grade Materials Company (USDOT 478361) in every inspection on record.