Stevenson Weir Southern Llc is an active interstate carrier based in Rock Hill, SC.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 169 | 0 | 0 |
| Tractors | 24 | 0 | 0 |
| Trailers | 72 | 0 | 0 |
| Total Power Units | 193 | ||
Distinct vehicles · 24 mo
vs 193 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 31% | 87% | Better than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 67% | 92% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 33% | 82% | 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 | 3 | — | 6.67% |
| Vehicle | 0 | 6 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2025 | 0 | 0 | 2 | 2 |
| Apr 1, 2025 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 17 | 5 | 6 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 25, 2026 | SC | TRUCK TRACTOR | 0 | 0 |
| Mar 13, 2026 | NC | TRUCK TRACTOR | 0 | 0 |
| Mar 13, 2026 | SC | STRAIGHT TRUCK | 0 | 0 |
| Mar 9, 2026 | NC | STRAIGHT TRUCK | 1 | 0 |
| Feb 25, 2026 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 5 | 0.22 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 11 | 2.65 | — |
| Driver Fitness | 4 | 0.21 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state SC accounts for 58% of activity. Activity outside home state (SC): 42%.
| Unsafe Driving | 5 | 0 | 0 |
| Driver Fitness | 4 | 4 | 4 |
| NC |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Feb 17, 2026 | SC | STRAIGHT TRUCK | 0 | 0 |
| Feb 12, 2026 | NC | TRUCK TRACTOR | 0 | 0 |
| Feb 9, 2026 | SC | STRAIGHT TRUCK | 0 | 0 |
| Feb 6, 2026 | SC | STRAIGHT TRUCK | 0 | 0 |
| Feb 3, 2026 | NC | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 9, 2026 | 3922LV | Lane Restriction violation | Unsafe Driving | — |
| Nov 10, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Oct 22, 2025 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Oct 22, 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 | 38395ALCDL | Restriction - (CDL) - Operate a CMV in violation of a restriction | Driver Fitness | Yes |
| Oct 21, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Oct 6, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Sep 22, 2025 | 3939ALHWS | Lighting - Hazard warning signal(s) inoperative | Vehicle Maintenance | — |
| Sep 22, 2025 | 3939ALTSI | Lighting - Turn signal - Any inoperative on the rearmost vehicle. | Vehicle Maintenance | Yes |
| Sep 10, 2025 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |