DBA: Duff Trucking
Mark Duff is an active interstate carrier based in Granite City, IL.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 2 | 0 | 0 |
| Tractors | 2 | 0 | 0 |
| Trailers | 1 | 0 | 0 |
| Total Power Units | 2 | ||
Distinct vehicles · 24 mo
vs 2 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 | 93% | 92% | Worse than most peers |
| HOS Compliance | 90% | 86% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 96% | 96% | 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 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Apr 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 14 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 3, 2026 | MO | TRUCK TRACTOR | 0 | 0 |
| Mar 19, 2025 | MO | TRUCK TRACTOR | 2 | 1 |
| Dec 12, 2024 | MO | TRUCK TRACTOR | 5 | 3 |
| Dec 10, 2024 | IL | TRUCK TRACTOR | 0 | 0 |
Ralph W Beckmann
No alertsGranite City, IL · 2 units
B And L Industrial Systems Incorporated
No alertsGranite City, IL · 2 units
Louis J Cionko
No alertsGranite City, IL · 2 units
Mosaic Pregnancy & Health Centers
No alertsGranite City, IL · 2 units
J&A Family Logistics Llc
No alertsGranite City, IL · 2 units
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 1
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 4.19 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 17.33 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 3 states. Top state MO accounts for 50% of activity. Activity outside home state (IL): 60%.
| 7 |
| Hours-of-Service Compliance | 1 | 0 | 0 |
| Unsafe Driving | 1 | 1 | 0 |
| Oct 7, 2024 |
| IL |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Aug 5, 2024 | MO | TRUCK TRACTOR | 4 | 1 |
| Jun 7, 2024 | MO | TRUCK TRACTOR | 2 | 2 |
| May 15, 2024 | IL | TRUCK TRACTOR | 0 | 0 |
| May 10, 2024 | IL | TRUCK TRACTOR | 0 | 0 |
| Apr 18, 2024 | IN | STRAIGHT TRUCK | 3 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 19, 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 |
| Mar 19, 2025 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Dec 12, 2024 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Dec 12, 2024 | 39348ABIAD | Air Disc Brake - Inoperative other than a steering axle | Vehicle Maintenance | — |
| Dec 12, 2024 | 3939ALSLIWR | Lighting - Stop lamps - Both inoperative when required to be on | Vehicle Maintenance | Yes |
| Dec 12, 2024 | 3939ALTSI | Lighting - Turn signal - Any inoperative on the rearmost vehicle. | Vehicle Maintenance | Yes |
| Dec 12, 2024 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |
| Aug 5, 2024 | 39216D | Driver - Failed to use seat belt while operating a CMV | Unsafe Driving | — |
| Aug 5, 2024 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Aug 5, 2024 | 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 | — |