Carrier profile · USDOT 3168539 · MC-116396 · Updated Jul 17, 2026

QUARTZ TRANSPORTATION LLC

38 power unitsavg 7.5 yrRegional · 3 statesRANCHO CUCAMONGA, CA81/100
CARRIER ACTIVEMC-116396 ACTIVE
Verified linksqtllc.comFMCSA 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 29.8%24-mo cumulative
050%nat'l 22.26%
Driver OOS 2.1%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 171 vehicle and 236 driver inspections over 24 months.

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

40.0% · latest 6-mo window▲ Rising

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending up 9.0 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

233 inspections in the charted months · busiest month Jan '25 · 18

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
≈3.3 / 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
38
Inspections · 24 mo
247
Annualized
≈124 / yr
Coverage
≈3.3 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

66%
Unsafe Driving
Vektor peer est.
26%
Hours-of-Service
Vektor peer est.
48%
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.

  • 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving129 · 3 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance76 · 25 OOS
  • 393.45 Brake tubing / hose defectsVehicle Maintenance23 · 7 OOS
  • 393.47 Brake actuators / linings / componentsVehicle Maintenance21 · 2 OOS
  • 393.53 Automatic brake adjusters / indicatorsVehicle Maintenance16 · 0 OOS
  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance14 · 13 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance14 · 7 OOS
  • 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance12 · 0 OOS
  • 393.126 Parts & accessories (vehicle condition)Vehicle Maintenance8 · 8 OOS
  • 393.207 Parts & accessories (vehicle condition)Vehicle Maintenance7 · 6 OOS

ELD & hours-of-service

10 hours-of-service / ELD violations on record · most recent Apr 24, 2026. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

6ELD device issues
1No log / no ELD
1False logs
0Drove over hours

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

Crash history· 14 total · 1 in 24 mo

14
Total crashes
1
In last 24 mo
1
Fatal
7
Injury
YearCrashesFatalInjuryTow
20251001
20231001
20224124
20212012
20204024
20192022
DateStateFatalitiesInjuriesTow-away
Apr 29, 2025CA00Yes
May 9, 2023CA00Yes
Sep 14, 2022CA00Yes
Aug 16, 2022CA01Yes
Jul 16, 2022CA01Yes
Jun 22, 2022CA10Yes
Aug 30, 2021CA04Yes
Feb 20, 2021NV00Yes
Dec 4, 2020CA01Yes
Jun 6, 2020CA01Yes
Jun 5, 2020CA00Yes
Jan 27, 2020CA00Yes
Dec 8, 2019CA01Yes
Apr 8, 2019CA01Yes