Carrier profile · USDOT 1615335 · MC-1740545 · Updated Jul 25, 2026

Shamrock Trucking LLC

18 power unitsavg 7.5 yrRegional · 7 statesWARMINSTER, PA64/100
NO OPERATING AUTHORITYMC-1740545 NO AUTHORITYRATED SATISFACTORY
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 7.7%24-mo cumulative
050%nat'l 22.26%
Driver OOS 6.9%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 13 vehicle and 29 driver inspections over 24 months.

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

0.0% · 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 18.3 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

29 inspections in the charted months · busiest month Sep '24 · 3

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 18-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
Registered power units
18
Inspections · 24 mo
29
Annualized
≈15 / yr
Coverage
≈0.8 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

48%
Unsafe Driving
Vektor peer est.
88%
Hours-of-Service
Vektor peer est.
Driver Fitness
0violations
clean · per-BASIC
Controlled Substances
0violations
clean · per-BASIC
69%
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 Driving25 · 0 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance13 · 0 OOS
  • 395.8 Record of duty status (log / ELD) not current or missingHOS Compliance11 · 2 OOS
  • 395.30 ELD — use / data transferHOS Compliance8 · 0 OOS
  • 395.24 ELD — record edits / dataHOS Compliance7 · 0 OOS
  • 393.55 Antilock brake system (ABS)Vehicle Maintenance6 · 0 OOS
  • 395.3 Driving beyond hours-of-service limitsHOS Compliance5 · 1 OOS
  • 396.17 Periodic (annual) inspectionVehicle Maintenance4 · 0 OOS
  • 390.21 USDOT number marking on vehicleUnsafe Driving4 · 0 OOS
  • 393.11 Required lamps/reflectors missingVehicle Maintenance4 · 0 OOS

ELD & hours-of-service

36 hours-of-service / ELD violations on record · most recent May 4, 2026. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

19ELD device issues
2No log / no ELD
9False logs
3Drove over hours

Trending worse — 74% of ELD violations are in the last 24 months. Falsified-log violations are a serious integrity flag.

Crash history· 41 total · 5 in 24 mo

41
Total crashes
5
In last 24 mo
2
Fatal
12
Injury
YearCrashesFatalInjuryTow
20261011
20254014
20231001
20223003
20215114
20206015
20193023
20185025
20173112
20164014
20152012
20142002
20121011
20111001
DateStateFatalitiesInjuriesTow-away
Feb 13, 2026NJ01Yes
Oct 21, 2025PA00Yes
Oct 8, 2025NJ01Yes
Apr 18, 2025NJ00Yes
Feb 7, 2025PA00Yes
Jul 14, 2023NJ00Yes
Sep 13, 2022CT00Yes
Apr 15, 2022PA00Yes
Apr 2, 2022MA00Yes
Jun 30, 2021NJ10No
Mar 21, 2021CT01Yes
Feb 27, 2021PA00Yes
Jan 28, 2021NH00Yes
Jan 21, 2021NJ00Yes
Dec 28, 2020PA01No
Oct 1, 2020MD00Yes
Aug 26, 2020NJ00Yes
Jul 29, 2020NJ00Yes
May 27, 2020CT00Yes
Feb 10, 2020NY00Yes
Nov 4, 2019PA01Yes
May 20, 2019SC00Yes
Jan 2, 2019PA01Yes
Nov 27, 2018NY01Yes
Jun 25, 2018PA00Yes