Dunbar Stone Company is an active interstate carrier based in Ashfork, AZ.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 3 | 0 | 0 |
| Tractors | 3 | 0 | 0 |
| Trailers | 3 | 0 | 0 |
| Total Power Units | 3 | ||
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 90% | 92% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 88% | 91% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
No roadside inspections recorded in the past 24 months. See the registry timeline above for the carrier's activity history.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 4 | 0 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Aug 1, 2024 | AZ | TRUCK TRACTOR | 5 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Aug 1, 2024 | 3922SLLLR | State/Local Laws - Lane restriction violation | Unsafe Driving |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 1.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 1 | 10.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Unsafe Driving |
| 1 |
| 0 |
| 0 |
| Aug 1, 2024 | 393104BC | Cargo - Damaged securement devices/tiedowns | Vehicle Maintenance | — |
| Aug 1, 2024 | 393106DC | Cargo - Insufficient aggregate working load limit for cargo transported | Vehicle Maintenance | Yes |
| Aug 1, 2024 | 39311A1CSURR | Conspicuity Systems - Truck tractor upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Aug 1, 2024 | 39360C | Windshield - Damaged or Discolored | Vehicle Maintenance | — |