DBA: Golden West Transport
Bill Polkinhorn Incorporated is an active interstate carrier based in Calexico, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 12 | 0 | 0 |
| Tractors | 12 | 0 | 0 |
| Total Power Units | 12 | ||
Distinct vehicles · 24 mo
vs 12 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 81% | 94% | Worse than most peers |
| HOS Compliance | 74% | 92% | Around peer average |
| Driver Fitness | 77% | 96% | Worse than most peers |
| Controlled Substances | 98% | 100% | Worse than most peers |
| Vehicle Maintenance | 72% | 89% | Around peer average |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 1 | — | 6.67% |
| Vehicle | 0 | 27 | — | 22.26% |
| Hazmat | 6 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 113 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 19, 2026 | CA | TRUCK TRACTOR | 4 | 1 |
| Mar 19, 2026 | CA | TRUCK TRACTOR | 3 | 0 |
| Mar 18, 2026 | US | STRAIGHT TRUCK | 1 | 1 |
| Mar 14, 2026 | US | TRUCK TRACTOR | 2 |
| Category |
|---|
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 3 | 1.25 | — |
| HOS Compliance | 3 | 0.04 | — |
| Vehicle Maintenance | 58 | 3.95 | — |
| Driver Fitness | 4 | 0.08 | — |
| Controlled Substances | 1 | 0.02 | — |
| 4.44% |
Where they run
Inspected in 5 states. Top state CA accounts for 83% of activity. Activity outside home state (CA): 17%.
| 28 |
| Driver Fitness | 4 | 0 | 0 |
| Hours-of-Service Compliance | 3 | 0 | 0 |
| Unsafe Driving | 3 | 0 | 0 |
| Controlled Substances/​Alcohol | 1 | 1 | 1 |
| 0 |
| Mar 6, 2026 | US | STRAIGHT TRUCK | 0 | 0 |
| Mar 6, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Feb 28, 2026 | CA | TRUCK TRACTOR | 2 | 1 |
| Feb 24, 2026 | US | STRAIGHT TRUCK | 0 | 0 |
| Feb 11, 2026 | NV | TRUCK TRACTOR | 0 | 0 |
| Feb 4, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 19, 2026 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Mar 19, 2026 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Mar 19, 2026 | 3963A1ALBV | Air Brake - Any leak from a brake valve | Vehicle Maintenance | — |
| Mar 19, 2026 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |
| Mar 19, 2026 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Mar 19, 2026 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Mar 19, 2026 | 3965BHWSL | Hubs - Wheel seal leaking | Vehicle Maintenance | — |
| Mar 18, 2026 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Mar 14, 2026 | 39370B1IICDBL | Coupling - Bolted upper coupler has any loose bolt | Vehicle Maintenance | — |
| Mar 14, 2026 | 3963A1ALBV | Air Brake - Any leak from a brake valve | Vehicle Maintenance | — |