Don Hummer Trucking Corporation is an active interstate carrier based in Cedar Rapids, IA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 315 | 0 | 0 |
| Tractors | 285 | 30 | 0 |
| Trailers | 765 | 0 | 0 |
| Total Power Units | 315 | ||
Distinct vehicles · 24 mo
vs 315 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 100% | 85% | Worse than most peers |
| HOS Compliance | 75% | 94% | Worse than most peers |
| Driver Fitness | 38% | 94% | Around peer average |
| Controlled Substances | 88% | 99% | Worse than most peers |
| Vehicle Maintenance | 25% | 85% | Better 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 | 4 | — | 6.67% |
| Vehicle | 0 | 25 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 3 | 3 | 3 |
| Oct 1, 2025 | 0 | 0 | 5 | 5 |
| Jul 1, 2025 | 0 | 1 | 4 | 4 |
| Apr 1, 2025 | 0 | 0 | 2 | 2 |
| Jan 1, 2025 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Unsafe Driving | 83 | 24 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 25, 2026 | KY | TRUCK TRACTOR | 1 | 1 |
| Mar 24, 2026 | OK | TRUCK TRACTOR | 0 | 0 |
| Mar 17, 2026 | IL | TRUCK TRACTOR | 0 | 0 |
| Mar 16, 2026 | OK | STRAIGHT TRUCK | 0 | 0 |
| Mar 16, 2026 |
| Category |
|---|
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 77 | 1.74 | — |
| HOS Compliance | 15 | 0.15 | — |
| Vehicle Maintenance | 54 | 2.32 | — |
| Driver Fitness | 1 | 0.01 | — |
| Controlled Substances | 1 | 0.01 | — |
| 4.44% |
Where they run
Inspected in 37 states. Top state IL accounts for 13% of activity. Activity outside home state (IA): 89%.
+32 other states with fewer inspections
| Oct 1, 2024 |
| 0 |
| 2 |
| 6 |
| 6 |
| 0 |
| Vehicle Maintenance | 69 | 35 | 33 |
| Hours-of-Service Compliance | 20 | 10 | 3 |
| Controlled Substances/​Alcohol | 2 | 0 | 2 |
| Driver Fitness | 1 | 1 | 1 |
| AZ |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Mar 14, 2026 | IA | TRUCK TRACTOR | 1 | 1 |
| Mar 12, 2026 | MN | TRUCK TRACTOR | 0 | 0 |
| Mar 10, 2026 | OR | TRUCK TRACTOR | 0 | 0 |
| Mar 8, 2026 | MO | TRUCK TRACTOR | 0 | 0 |
| Mar 6, 2026 | SD | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 25, 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 14, 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 5, 2026 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Feb 19, 2026 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Feb 12, 2026 | 39216B | Operating a property-carrying commercial motor vehicle while all other occupants are not properly restrained | Unsafe Driving | — |
| Feb 12, 2026 | 39524C2IIELDTN | HOS (ELD) - Driver failing to manually input or verify CMV trailer number. | Hours-of-Service Compliance | — |
| Feb 4, 2026 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Jan 29, 2026 | 39345D | Brake connections with leaks or constrictions | Vehicle Maintenance | — |
| Jan 29, 2026 | 3965BHWSLIW | Hubs - Wheel seal leaking - inner wheel | Vehicle Maintenance | — |
| Jan 29, 2026 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |