Mason Transport Company Llc is an active interstate carrier based in Nashville, TN.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 36 | 0 | 0 |
| Tractors | 36 | 0 | 0 |
| Trailers | 14 | 3 | 0 |
| Total Power Units | 36 | ||
Distinct vehicles · 24 mo
vs 36 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 78% | 90% | Worse than most peers |
| HOS Compliance | 79% | 92% | Worse than most peers |
| Driver Fitness | 74% | 92% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 84% | 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 | 3 | — | 6.67% |
| Vehicle | 0 | 10 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2025 | 0 | 0 | 1 | 1 |
| Oct 1, 2024 | 0 | 0 | 2 | 2 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 36 | 14 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 24, 2026 | OH | TRUCK TRACTOR | 0 | 0 |
| Mar 20, 2026 | KY | TRUCK TRACTOR | 6 | 2 |
| Mar 13, 2026 | WV | TRUCK TRACTOR | 4 | 0 |
| Mar 13, 2026 | AR | TRUCK TRACTOR | 1 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 3 | 1.46 | — |
| HOS Compliance | 2 | 0.40 | — |
| Vehicle Maintenance | 18 | 8.62 | — |
| Driver Fitness | 1 | 0.12 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 14 states. Top state OH accounts for 26% of activity. Activity outside home state (TN): 100%.
+9 other states with fewer inspections
| 12 |
| Hours-of-Service Compliance | 6 | 4 | 3 |
| Unsafe Driving | 3 | 3 | 0 |
| Driver Fitness | 1 | 1 | 1 |
| Mar 4, 2026 |
| WV |
| TRUCK TRACTOR |
| 6 |
| 1 |
| Feb 17, 2026 | KY | TRUCK TRACTOR | 1 | 1 |
| Feb 12, 2026 | OH | TRUCK TRACTOR | 0 | 0 |
| Feb 4, 2026 | MO | TRUCK TRACTOR | 0 | 0 |
| Jan 20, 2026 | TX | TRUCK TRACTOR | 2 | 0 |
| Jan 9, 2026 | SC | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 20, 2026 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Mar 20, 2026 | 39347ABCFSBD | Drum Brake - Contaminated friction surface | Vehicle Maintenance | — |
| Mar 20, 2026 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Mar 20, 2026 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Mar 20, 2026 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Mar 20, 2026 | 3965BHWSL | Hubs - Wheel seal leaking | Vehicle Maintenance | Yes |
| Mar 13, 2026 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Mar 13, 2026 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |
| Mar 13, 2026 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Mar 13, 2026 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |