Rock Stone And Sand Yard Inc is an active interstate carrier based in Lorton, VA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 8 | 0 | 0 |
| Trailers | 1 | 0 | 0 |
| Total Power Units | 8 | ||
Distinct vehicles · 24 mo
vs 8 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% | 91% | 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 | 82% | 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.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 4 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2025 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Oct 29, 2025 | MD | STRAIGHT TRUCK | 1 | 1 |
| Aug 22, 2025 | MD | STRAIGHT TRUCK | 0 | 0 |
| Apr 30, 2025 | MD | STRAIGHT TRUCK | 1 | 1 |
| Apr 28, 2025 | MD | TRUCK TRACTOR | 4 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 1.25 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 4 | 8.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
Where they run
Inspected in 2 states. Top state MD accounts for 67% of activity. Activity outside home state (VA): 67%.
| 6 |
| 3 |
| 4 |
| Unsafe Driving | 1 | 0 | 0 |
| Feb 24, 2025 | VA | STRAIGHT TRUCK | 0 | 0 |
| Jan 14, 2025 | VA | STRAIGHT TRUCK | 0 | 0 |
| Oct 24, 2024 | VA | STRAIGHT TRUCK | 0 | 0 |
| Sep 5, 2024 | MD | TRUCK TRACTOR | 1 | 1 |
| Aug 2, 2024 | MD | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Oct 29, 2025 | 393100BC | Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Vehicle Maintenance | Yes |
| Apr 30, 2025 | 39345B2BHTD | Air Brake - Hose/tubing damage into the outer reinforcement ply. | Vehicle Maintenance | Yes |
| Apr 28, 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 | — |
| Apr 28, 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 |
| Apr 28, 2025 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Apr 28, 2025 | 3939ALRLI | Lighting - Tail lamp - Any inoperative | Vehicle Maintenance | — |
| Sep 5, 2024 | 393110B | Insufficient tiedowns to prevent forward movement for load not blocked by headerboard bulkhead or other cargo | Vehicle Maintenance | Yes |