Rock Transportation is an active interstate carrier based in Big Bear Lake, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 3 | 0 | 0 |
| Total Power Units | 3 | ||
Distinct vehicles · 24 mo
vs 3 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 85% | 94% | Worse than most peers |
| HOS Compliance | 90% | 95% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 82% | 92% | 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 | 2 | — | 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 | 17 | 8 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 17, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jan 21, 2026 | CA | STRAIGHT TRUCK | 2 | 0 |
| Dec 22, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Dec 17, 2025 | CA | STRAIGHT TRUCK | 1 | 0 |
| Dec 16, 2025 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 1.22 | — |
| HOS Compliance | 2 | 1.10 | — |
| Vehicle Maintenance | 9 | 5.32 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state CA accounts for 94% of activity. Activity outside home state (CA): 6%.
| Hours-of-Service Compliance |
| 2 |
| 0 |
| 2 |
| Unsafe Driving | 1 | 0 | 0 |
| CA |
| STRAIGHT TRUCK |
| 1 |
| 1 |
| Dec 10, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Nov 12, 2025 | CA | STRAIGHT TRUCK | 1 | 1 |
| Nov 11, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Oct 23, 2025 | AZ | STRAIGHT TRUCK | 4 | 2 |
| Oct 8, 2025 | CA | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 21, 2026 | 393104BC | Cargo - Damaged securement devices/tiedowns | Vehicle Maintenance | — |
| Jan 21, 2026 | 39330B | Battery - Not protected | Vehicle Maintenance | — |
| Dec 17, 2025 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |
| Dec 16, 2025 | 3958A1HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | Yes |
| Nov 12, 2025 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | Yes |
| Oct 23, 2025 | 393201BFR | Frame - Cab or body mounts loose/broken/missing | Vehicle Maintenance | — |
| Oct 23, 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 23, 2025 | 3958K2HOSP | HOS (Property) - Failing to have in possession RODS for the previous seven consecutive days and available for inspection while on duty | Hours-of-Service Compliance | Yes |
| Oct 23, 2025 | 3969D2FTF | Failing to correct the violation(s)/defect(s) noted on the roadside inspection report | Vehicle Maintenance | — |
| Oct 8, 2025 | 3939ALBL | Lighting - Backup lamp inoperative | Vehicle Maintenance | — |