Southern Duo Express Llc is an active interstate carrier based in Mission, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 4 | 0 | 0 |
| Trailers | 4 | 0 | 0 |
| Total Power Units | 4 | ||
Distinct vehicles · 24 mo
vs 4 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 | 0% | 0% | Better than most peers |
| HOS Compliance | 98% | 98% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 69% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 13 | 2 | 8 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 26, 2025 | TX | STRAIGHT TRUCK | 1 | 1 |
| Dec 10, 2024 | NM | STRAIGHT TRUCK | 1 | 1 |
| Sep 21, 2024 | TN | STRAIGHT TRUCK | 0 | 0 |
| Sep 7, 2024 | AL | STRAIGHT TRUCK | 0 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 1 | 1.40 | — |
| Vehicle Maintenance | 1 | 1.20 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
Where they run
Inspected in 9 states. Top state AL accounts for 11% of activity. Activity outside home state (TX): 100%.
+4 other states with fewer inspections
| Hours-of-Service Compliance |
| 7 |
| 4 |
| 5 |
| Jul 24, 2024 |
| KY |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Jun 20, 2024 | MO | STRAIGHT TRUCK | 5 | 4 |
| Jun 6, 2024 | IA | STRAIGHT TRUCK | 6 | 3 |
| Jun 6, 2024 | FL | STRAIGHT TRUCK | 7 | 4 |
| Apr 16, 2024 | OH | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 26, 2025 | 39343D | No or defective automatic trailer brake | Vehicle Maintenance | Yes |
| Dec 10, 2024 | 3958AELD | ELD - No record of duty status (ELD Required) | Hours-of-Service Compliance | Yes |
| Jun 20, 2024 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | Yes |
| Jun 20, 2024 | 393205CWRAWFLMIB | Wheel/Rim - Any wheel fasteners loose/missing/ineffective/broken. | Vehicle Maintenance | — |
| Jun 20, 2024 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Jun 20, 2024 | 3958EHOSPD | HOS (Property) - No driver may make a false report in connection with a duty status. Explain | Hours-of-Service Compliance | Yes |
| Jun 20, 2024 | 3963A1HCM | Hubs - Bearing cap plug or filler plug missing or broken | Vehicle Maintenance | Yes |
| Jun 6, 2024 | 39343D | No or defective automatic trailer brake | Vehicle Maintenance | Yes |
| Jun 6, 2024 | 39348A | Inoperative/defective brakes | Vehicle Maintenance | — |
| Jun 6, 2024 | 39375C | Tire-other tread depth less than 2/32 of inch measured in a major tread groove | Vehicle Maintenance | — |