Parke Cox Trucking Co Inc is an active interstate carrier based in St George, UT.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 82 | 0 | 0 |
| Tractors | 82 | 0 | 0 |
| Trailers | 227 | 34 | 0 |
| Total Power Units | 82 | ||
Distinct vehicles · 24 mo
vs 82 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 93% | 94% | Worse than most peers |
| HOS Compliance | 82% | 94% | Worse than most peers |
| Driver Fitness | 68% | 94% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 36% | 84% | 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 | 5 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 1 | 2 | 2 |
| Jan 1, 2025 | 0 | 0 | 1 | 1 |
| Oct 1, 2024 | 1 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 36 | 6 | 7 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 23, 2026 | UT | TRUCK TRACTOR | 0 | 0 |
| Mar 12, 2026 | CO | TRUCK TRACTOR | 0 | 0 |
| Mar 11, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Mar 6, 2026 | UT | TRUCK TRACTOR | 4 | 0 |
| Feb 24, 2026 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 14 | 1.48 | — |
| HOS Compliance | 15 | 0.28 | — |
| Vehicle Maintenance | 24 | 2.06 | — |
| Driver Fitness | 2 | 0.07 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 11 states. Top state CA accounts for 31% of activity. Activity outside home state (UT): 76%.
+6 other states with fewer inspections
| Hours-of-Service Compliance | 23 | 3 | 1 |
| Unsafe Driving | 15 | 4 | 0 |
| Driver Fitness | 2 | 2 | 2 |
| UT |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Feb 16, 2026 | NM | TRUCK TRACTOR | 3 | 1 |
| Feb 15, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Feb 10, 2026 | UT | TRUCK TRACTOR | 0 | 0 |
| Feb 7, 2026 | UT | TRUCK TRACTOR | 0 | 0 |
| Feb 6, 2026 | UT | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 6, 2026 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Mar 6, 2026 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Mar 6, 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 6, 2026 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Feb 16, 2026 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Feb 16, 2026 | 39353B | CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Feb 16, 2026 | 3963A1BOS | BRAKES OUT OF SERVICE: The number of defective brakes is equal to or greater than 20 percent of the service brakes on the vehicle or combination | Vehicle Maintenance | Yes |
| Dec 4, 2025 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Dec 4, 2025 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Dec 4, 2025 | 39522H4ELDBRODS | HOS (ELD) - In-Vehicle Information - Failing to have a supply of blank driver's records of duty status graph-grids sufficient to record the driver's duty status a | Hours-of-Service Compliance | — |