License Plate CA 4UP3049 (California) — Bill Polkinhorn Incorporated
USDOT 506308 · 2004 Polar Tank Trailer
Most recently recorded carrier for this plate
Bill Polkinhorn Incorporated Active
- USDOT
- 506308
- MC
- 258822
- Status
- Active
- Type
- Motor Carrier
- Based in
- Calexico, CA
- Power units
- 12
- Drivers
- 12
- Inspections (24 mo)
- 228
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 15.8%
Carrier recorded at the latest inspection in the available records (2026-01-29). This does not establish current ownership or confirm that the carrier still operates this vehicle.
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What this means
License plate CA-4UP3049 appears in FMCSA inspection records 5 times. Recorded on one vehicle: VIN 1PMB1422945003642 (2004 Polar Tank Trailer). Most recent operating carrier: Bill Polkinhorn Incorporated (USDOT 506308). Vehicle make on file: Polar Tank Trailer (POLA) (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-4UP3049 (California) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2024-09-23 to 2026-01-29. 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 2004 Polar Tank Trailer — VIN 1PMB1422945003642 (semi-trailer).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 5 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 Bill Polkinhorn Incorporated (USDOT 506308) in every inspection on record.