Mason And Mefford is an active interstate carrier based in Madison, IN.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 8 | 0 | 0 |
| Tractors | 52 | 4 | 0 |
| Trailers | 157 | 50 | 0 |
| Total Power Units | 64 | ||
Distinct vehicles · 24 mo
vs 64 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 71% | 90% | Around peer average |
| HOS Compliance | 66% | 92% | Around peer average |
| Driver Fitness | 66% | 94% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 74% | 90% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 12 | — | 22.26% |
| Hazmat | 3 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 1 | 0 | 3 | 3 |
| Jul 1, 2025 | 0 | 1 | 1 | 1 |
| Oct 1, 2024 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 29 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 11, 2026 | IN | STRAIGHT TRUCK | 0 | 0 |
| Mar 2, 2026 | OH | TRUCK TRACTOR | 0 | 0 |
| Feb 24, 2026 | TN | TRUCK TRACTOR | 0 | 0 |
| Feb 17, 2026 | NC | TRUCK TRACTOR | 0 | 0 |
| Feb 10, 2026 | IN |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 11 | 1.50 | — |
| HOS Compliance | 1 | 0.22 | — |
| Vehicle Maintenance | 16 | 5.84 | — |
| Driver Fitness | 1 | 0.10 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 14 states. Top state KY accounts for 32% of activity. Activity outside home state (IN): 86%.
+9 other states with fewer inspections
| 14 |
| Unsafe Driving | 11 | 3 | 0 |
| Hazardous Materials Compliance | 3 | 1 | 0 |
| Driver Fitness | 1 | 1 | 1 |
| Hours-of-Service Compliance | 1 | 1 | 0 |
| TRUCK TRACTOR |
| 1 |
| 0 |
| Feb 3, 2026 | KY | TRUCK TRACTOR | 2 | 1 |
| Feb 3, 2026 | KY | TRUCK TRACTOR | 0 | 0 |
| Jan 28, 2026 | NC | TRUCK TRACTOR | 1 | 1 |
| Jan 19, 2026 | LA | TRUCK TRACTOR | 1 | 0 |
| Jan 8, 2026 | IN | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 10, 2026 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Feb 3, 2026 | 39311A1LCHL | Lighting - Lamps improper color height location. | Vehicle Maintenance | — |
| Feb 3, 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 |
| Jan 28, 2026 | 39375A3 | Tire-flat and/or audible air leak | Vehicle Maintenance | Yes |
| Jan 19, 2026 | 39216D | Driver - Failed to use seat belt while operating a CMV | Unsafe Driving | — |
| Nov 26, 2025 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | — |
| Nov 26, 2025 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Nov 26, 2025 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Nov 26, 2025 | 3939ALSLIWR | Lighting - Stop lamps - Both inoperative when required to be on | Vehicle Maintenance | Yes |
| Nov 26, 2025 | 3953A2HOSPD | HOS (Property) - Driving beyond the 14 hour after coming on duty following 10 consecutive hours off duty during the current 8 consecutive day period. Date and Tim | Hours-of-Service Compliance | — |