Carrier profile · USDOT 1475314 · MC-556926 · Updated Sep 6, 2026

4 Transportation Services Inc

30 power unitsavg 9.1 yrRegional · 4 statesCHICAGO, IL100/100
CARRIER ACTIVEMC-556926 ACTIVE
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 18.8%24-mo cumulative
050%nat'l 22.26%
Driver OOS 0.0%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 32 vehicle and 59 driver inspections over 24 months.

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

25.0% · 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 18.7 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

58 inspections in the charted months · busiest month Jan '25 · 7

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
≈1.0 / unit·yr
thin signalabundant signal
Within the expected band for a 30-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
Registered power units
30
Inspections · 24 mo
59
Annualized
≈30 / yr
Coverage
≈1.0 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

56%
Unsafe Driving
Vektor peer est.
11%
Hours-of-Service
Vektor peer est.
Driver Fitness
0violations
clean · per-BASIC
Controlled Substances
0violations
clean · per-BASIC
78%
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 Driving40 · 0 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance19 · 0 OOS
  • 393.55 Antilock brake system (ABS)Vehicle Maintenance15 · 0 OOS
  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance7 · 6 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance6 · 3 OOS
  • 393.45 Brake tubing / hose defectsVehicle Maintenance6 · 0 OOS
  • 393.47 Brake actuators / linings / componentsVehicle Maintenance5 · 0 OOS
  • 393.53 Automatic brake adjusters / indicatorsVehicle Maintenance4 · 0 OOS
  • 393.11 Required lamps/reflectors missingVehicle Maintenance4 · 0 OOS
  • 395.30 ELD — use / data transferHOS Compliance4 · 0 OOS

ELD & hours-of-service

8 hours-of-service / ELD violations on record · most recent Mar 18, 2026. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

8ELD device issues
0No log / no ELD
0False logs
0Drove over hours

Trending worse — 75% of ELD violations are in the last 24 months.

Crash history· 14 total · 2 in 24 mo

14
Total crashes
2
In last 24 mo
0
Fatal
1
Injury
YearCrashesFatalInjuryTow
20252002
20241001
20235015
20222002
20211001
20191001
20151001
20141001
DateStateFatalitiesInjuriesTow-away
Jul 25, 2025IL00Yes
Jan 21, 2025MI00Yes
Jan 12, 2024MI00Yes
Oct 11, 2023WI00Yes
Aug 10, 2023IN02Yes
Jun 12, 2023WI00Yes
May 24, 2023IN00Yes
Mar 31, 2023IN00Yes
Dec 27, 2022IL00Yes
Mar 3, 2022WI00Yes
Sep 30, 2021IN00Yes
Feb 1, 2019IN00Yes
Oct 5, 2015IL00Yes
Aug 5, 2014OH00Yes