License Plate MD 406506X (Maryland) — Castell Express Llc
USDOT 3684592 · 2024 Pj
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 |
|---|---|---|---|
| 2026-01-20 | 4P53F492XR1403679 | MD 406506X | CASTELL EXPRESS LLC · USDOT 3684592 |
| 2025-10-30 | 4P53F492XR1403679 | MD 406506X | O&A TRANSPORTATION LLC · USDOT 4214092 |
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
Castell Express Llc Active
- USDOT
- 3684592
- MC
- 1289694
- Status
- Active
- Type
- Carrier & Freight Forwarder
- Based in
- Houston, TX
- Power units
- 1
- Drivers
- 1
- Inspections (24 mo)
- 6
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 0%
Carrier recorded at the latest inspection in the available records (2026-01-20). 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.This plate has also been operated by 1 other carrier (listed below).
What this means
License plate MD-406506X appears in FMCSA inspection records 2 times. Recorded on one vehicle: VIN 4P53F492XR1403679 (2024 Pj). Operated by 2 different carriers (DOT numbers) over its inspection history. Most recent operating carrier: Castell Express Llc (USDOT 3684592). Vehicle make on file: Pj (PJ TR) (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 MD-406506X (Maryland) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2025-10-30 to 2026-01-20. The latest inspection was in Connecticut, a Level II — walk-around inspection of the driver and the vehicle. That is outside the plate's issuing jurisdiction (Maryland).
Vehicle on this plate
This plate is associated with a single vehicle, a 2024 Pj — VIN 4P53F492XR1403679 (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
2 carriers have operated vehicles under this plate (most recent first): Castell Express Llc (USDOT 3684592) on 2026-01-20; O&A Transportation Llc (USDOT 4214092) on 2025-10-30.