Rio Stones 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 | 2 | 1 | 0 |
| Tractors | 0 | 1 | 0 |
| Trailers | 5 | 0 | 0 |
| Total Power Units | 2 | ||
Distinct vehicles · 24 mo
vs 2 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 94% | 95% | Worse than most peers |
| HOS Compliance | 94% | 94% | Worse than most peers |
| Driver Fitness | 95% | 95% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 88% | 89% | 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.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 4 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Dec 23, 2025 | UT | TRUCK TRACTOR | 0 | 0 |
| Dec 10, 2025 | CA | TRUCK TRACTOR | 3 | 3 |
| Oct 29, 2025 | NV | TRUCK TRACTOR | 1 | 1 |
| Oct 21, 2025 | AZ | STRAIGHT TRUCK | 3 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 1.60 | — |
| HOS Compliance | 1 | 0.10 | — |
| Vehicle Maintenance | 7 | 5.80 | — |
| Driver Fitness | 1 | 0.57 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 4 states. Top state CA accounts for 36% of activity. Activity outside home state (UT): 71%.
| 15 |
| 2 |
| 6 |
| Driver Fitness | 2 | 1 | 1 |
| Hours-of-Service Compliance | 1 | 0 | 0 |
| Unsafe Driving | 1 | 0 | 0 |
| Oct 9, 2025 | NV | TRUCK TRACTOR | 1 | 0 |
| Sep 22, 2025 | CA | TRUCK TRACTOR | 1 | 0 |
| Mar 6, 2025 | UT | TRUCK TRACTOR | 0 | 0 |
| Jan 16, 2025 | UT | TRUCK TRACTOR | 2 | 0 |
| Oct 21, 2024 | CA | STRAIGHT TRUCK | 0 | 0 |
| Aug 30, 2024 | NV | TRUCK TRACTOR | 2 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Dec 10, 2025 | 393205AWRBH | Wheel/Rim - Cracks between two holes | Vehicle Maintenance | Yes |
| Dec 10, 2025 | 393205AWRDC | Wheel/Rim - Disc wheel cracked more than 3 inches | Vehicle Maintenance | Yes |
| Dec 10, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Oct 29, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Oct 21, 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 | — |
| Oct 21, 2025 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |
| Oct 21, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Oct 9, 2025 | 39311A1CSLRR | Conspicuity Systems - Truck tractor lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Sep 22, 2025 | 39530B1ELDDFR | HOS (ELD) - Driver failing to review records and certify the accuracy of the information. | Hours-of-Service Compliance | — |
| Jan 16, 2025 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |