Carrier profile · USDOT 348454 · MC-538273 · Updated Jun 13, 2026

Port Service LLC

DBA ENSTRUCTURE NEW HAVEN

29 power unitsavg 7.1 yrRegional · 4 statesNEW HAVEN, CT75/100

CARRIER ACTIVEMC-538273 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 30.8%24-mo cumulative

050%nat'l 22.26%

Driver OOS 8.7%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 13 vehicle and 23 driver inspections over 24 months.

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

60.0% · 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 19.4 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

22 inspections in the charted months · busiest month Jan '26 · 4

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.

Expected band

Under-inspected

Expected

Well-monitored

Heavily inspected

≈0.4 / unit·yr

thin signalabundant signal

Roadside-inspection volume is about what you'd expect for a 29-unit fleet — enough signal to read the safety record, though not a heavy sample.

Registered power units: 29
Inspections · 24 mo: 23
Annualized: ≈12 / yr
Coverage: ≈0.4 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

47%

Unsafe Driving

Vektor peer est.

Hours-of-Service

0violations

clean · per-BASIC

92%

Driver Fitness

Vektor peer est.

Controlled Substances

0violations

clean · per-BASIC

60%

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 Driving33 · 0 OOS
393.9 Inoperative required lampsVehicle Maintenance11 · 3 OOS
393.45 Brake tubing / hose defectsVehicle Maintenance4 · 0 OOS
396.17 Periodic (annual) inspectionVehicle Maintenance4 · 0 OOS
393.75 Tires (defective / underinflated / worn)Vehicle Maintenance4 · 3 OOS
393.47 Brake actuators / linings / componentsVehicle Maintenance4 · 0 OOS
396.3 Inspection / repair / maintenance not performedVehicle Maintenance3 · 3 OOS
393.53 Automatic brake adjusters / indicatorsVehicle Maintenance3 · 0 OOS
393.55 Antilock brake system (ABS)Vehicle Maintenance3 · 0 OOS
383.23 Operating without a valid CDLDriver Fitness2 · 2 OOS

ELD & hours-of-service

1 hours-of-service / ELD violation on record · most recent Dec 19, 2023. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

0ELD device issues

0No log / no ELD

0False logs

0Drove over hours

Crash history· 17 total · 2 in 24 mo

Total crashes

In last 24 mo

Fatal

Injury

Year	Crashes	Fatal	Injury	Tow
2026	2	0	2	1
2023	3	0	0	3
2022	1	0	1	1
2020	1	0	0	1
2019	1	0	0	1
2018	2	0	1	2
2016	4	0	0	4
2014	1	0	0	1
2013	1	1	1	1
1996	1	0	1	1

Date	State	Fatalities	Injuries	Tow-away
Jun 23, 2026	MA	0	1	Yes
Feb 20, 2026	CT	0	1	No
Nov 8, 2023	CT	0	0	Yes
Sep 14, 2023	CT	0	0	Yes
May 24, 2023	CT	0	0	Yes
Feb 22, 2022	NY	0	1	Yes
Jun 15, 2020	CT	0	0	Yes
Jul 22, 2019	MA	0	0	Yes
Oct 2, 2018	CT	0	0	Yes
Jul 20, 2018	CT	0	1	Yes
Sep 1, 2016	CT	0	0	Yes
Aug 2, 2016	CT	0	0	Yes
Jul 22, 2016	CT	0	0	Yes
Jul 18, 2016	CT	0	0	Yes
Feb 12, 2014	CT	0	0	Yes
Jan 28, 2013	CT	1	1	Yes
Jan 6, 1996	CT	0	1	Yes