Carrier profile · USDOT 1701737 · MC-839807 · Updated Jun 13, 2026

Diaz Trucking Inc

8 power unitsavg 18 yrRegional · 5 statesBELTSVILLE, MD82/100
CARRIER ACTIVEMC-839807 ACTIVERATED CONDITIONAL
Verified linksFMCSA SAFER

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 18.4%24-mo cumulative
050%nat'l 22.26%
Driver OOS 13.6%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 38 vehicle and 44 driver inspections over 24 months.

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

14.3% · latest 6-mo window▼ Falling

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending down 1.9 pts 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

44 inspections in the charted months · busiest month Jan '25 · 5

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.

Heavily inspected
Under-inspected
Expected
Well-monitored
Heavily inspected
2.8 / unit·yr
thin signalabundant signal
Among the more heavily-inspected carriers for its size — abundant roadside signal. Coverage isn't the question here; the out-of-service and crash record is.
Registered power units
8
Inspections · 24 mo
44
Annualized
22 / yr
Coverage
2.8 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

80%
Unsafe Driving
Vektor peer est.
28%
Hours-of-Service
Vektor peer est.
53%
Driver Fitness
Vektor peer est.
Controlled Substances
0violations
clean · per-BASIC
66%
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.

  • 393.9 Inoperative required lampsVehicle Maintenance23 · 1 OOS
  • 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving19 · 0 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance13 · 8 OOS
  • 393.45 Brake tubing / hose defectsVehicle Maintenance8 · 0 OOS
  • 393.78 Windshield wipersVehicle Maintenance7 · 0 OOS
  • 393.30 Parts & accessories (vehicle condition)Vehicle Maintenance7 · 0 OOS
  • 393.209 Parts & accessories (vehicle condition)Vehicle Maintenance6 · 6 OOS
  • 395.8 Record of duty status (log / ELD) not current or missingHOS Compliance5 · 3 OOS
  • 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance4 · 0 OOS
  • 396.17 Periodic (annual) inspectionVehicle Maintenance4 · 0 OOS

ELD & hours-of-service

5 hours-of-service / ELD violations on record · most recent Jan 13, 2026. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

1ELD device issues
5No log / no ELD
0False logs
0Drove over hours

Trending worse — 100% of ELD violations are in the last 24 months.

Crash history· 11 total · 3 in 24 mo

11
Total crashes
3
In last 24 mo
0
Fatal
5
Injury
YearCrashesFatalInjuryTow
20251011
20243023
20231001
20221001
20212012
20181001
20162012
DateStateFatalitiesInjuriesTow-away
Sep 25, 2025PA02Yes
Nov 26, 2024MD01Yes
Nov 21, 2024PA01Yes
Jul 18, 2024MD00Yes
Jun 15, 2023MD00Yes
Mar 3, 2022PA00Yes
Feb 22, 2021PA00Yes
Jan 9, 2021MD01Yes
Mar 16, 2018NJ00Yes
Dec 16, 2016VA00Yes
Apr 7, 2016MD01Yes