Carrier profile · USDOT 307512 · MC-196988 · Updated Jul 23, 2026

Don Hummer Trucking Corporation

285 power unitsavg 4.6 yrNational · 36 statesCEDAR RAPIDS, IA88/100
CARRIER ACTIVEMC-196988 ACTIVERATED SATISFACTORY

Safety

Roadside out-of-service rates versus the national benchmark, inspection and crash trends, decoded violation themes, and ELD / hours-of-service integrity — the full safety picture behind the verdict.

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 12.6%24-mo cumulative
050%nat'l 22.26%
Driver OOS 0.6%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 190 vehicle and 477 driver inspections over 24 months.

Vehicle OOS rate· vehicle OOS · vehicle-level inspections · 6-month trailing

11.4% · latest 6-mo window● Steady

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Holding steady across the window. The national vehicle benchmark uses the same metric and is shown on the chart.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

466 inspections in the charted months · busiest month Sep '24 · 33

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

Inspection coverage· expected vs observed · the fraud signal

Inspection coverage

How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.

Well-monitored
Under-inspected
Expected
Well-monitored
Heavily inspected
0.8 / unit·yr
thin signalabundant signal
Within the expected band for a 285-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
Registered power units
285
Inspections · 24 mo
477
Annualized
239 / yr
Coverage
0.8 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

52%
Unsafe Driving
Vektor peer est.
26%
Hours-of-Service
Vektor peer est.
Driver Fitness
.01measure
SMS · per-BASIC
12%
Controlled Substances
Vektor peer est.
31%
Vehicle Maintenance
Vektor peer est.

Percentile = standing among same-exposure peers (higher = worse). FMCSA publishes percentiles for only some carriers (shown official); elsewhere we show a Vektor peer-percentile estimate, or the absolute SMS measure when there are too few inspections to rank.

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

  • 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving172 · 0 OOS
  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance35 · 33 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance19 · 5 OOS
  • 393.45 Brake tubing / hose defectsVehicle Maintenance17 · 3 OOS
  • 395.24 ELD — record edits / dataHOS Compliance11 · 0 OOS
  • 393.55 Antilock brake system (ABS)Vehicle Maintenance10 · 0 OOS
  • 395.3 Driving beyond hours-of-service limitsHOS Compliance8 · 2 OOS
  • 395.8 Record of duty status (log / ELD) not current or missingHOS Compliance7 · 0 OOS
  • 395.30 ELD — use / data transferHOS Compliance7 · 0 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance6 · 0 OOS

ELD & hours-of-service

35 hours-of-service / ELD violations on record · most recent May 28, 2026. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

20ELD device issues
1No log / no ELD
6False logs
8Drove over hours

Trending worse — 50% of ELD violations are in the last 24 months. Falsified-log violations are a serious integrity flag.

Crash history· 280 total · 27 in 24 mo

280
Total crashes
27
In last 24 mo
14
Fatal
98
Injury
YearCrashesFatalInjuryTow
20269039
2025120212
2024161416
20237026
2022160316
2021150615
2020110511
2019171616
2018171717
2017131212
2016120311
2015143514
20148038
20137126
20129049
2011131512
20106136
20098147
20088138
20079039
20066145
20058018
20047036
20034023
20025025
20014132
20004013
19998046
19981011
19971001
19963003
19951010
19931011
DateStateFatalitiesInjuriesTow-away
Jul 20, 2026MN01Yes
Jul 13, 2026AR00Yes
Apr 27, 2026MO01Yes
Apr 23, 2026WY00Yes
Mar 28, 2026GA00Yes
Mar 16, 2026AZ03Yes
Mar 10, 2026WV00Yes
Jan 18, 2026IN00Yes
Jan 14, 2026IL00Yes
Dec 13, 2025MN00Yes
Dec 10, 2025IA00Yes
Nov 29, 2025IA00Yes
Nov 29, 2025IA00Yes
Oct 16, 2025IA00Yes
Aug 31, 2025IN00Yes
Aug 18, 2025CO01Yes
Jul 11, 2025TX00Yes
Jul 6, 2025MO00Yes
Jun 15, 2025NE00Yes
Apr 3, 2025OH00Yes
Feb 14, 2025GA01Yes
Dec 30, 2024IA01Yes
Dec 17, 2024MO00Yes
Dec 14, 2024IA00Yes
Nov 8, 2024IL00Yes